Manufacturer Index

This is a historical listing of manufacturers of spirometers and other pulmonary function equipment.  These manufacturers either no longer exist or no longer manufacture this type of equipment.  For a guide to current manufacturers of Pulmonary Function equipment, see PFTGuide.com.

Advantage Medical Systems

Manufactured a spirometer in the late 1980’s called the Pul-Tron 100K Professional Spirometer.

Advanced Signal Processing, Inc.

Manufactured a spirometer, the Argis Pulmonary Function Testing System, in the 1980’s.

AEC – American Electromedics Corporation

Manufactured the AEC 629V Spirocomp which used a ceramic pneumotachometer around 1990.

Air Shields

Manufactured a spirometer, the Pulmonary Function Recorder which was likely based on a bellows from the late 1960’s through the early 1970’s.  May have acquired the McKesson Vitalor since it sold a spirometer with that name in the early 1980’s.

J H F Albers

A German physician/craftsman who constructed scientific spirometers during the 1850’s.

Alexander Wright & Co.

English manufacturer of gas meter-type spirometers during the 1930’s.

Alpha Technologies

Manufactured a turbine-based metabolic/exercise system, the  MTS4400 Metabolic and Respiratory Testing System during the 1980’s.  Acquired by Sensormedics in the 1990’s.

American Meter Company

Manufactured and sold a gas meter-type spirometer during the 1860’s.

Applied Electrochemistry

Manufactured exercise/metabolic measurement systems under the brand name AMETEK.  Product line was acquired by AEI Technologies in 1995.

Barton

American, manufactured and sold a spirometer based on a calibrated bag from the late 1880’s through early 1890’s.

Barnes

American, manufactured and sold a personal dry spirometer from the mid-1860’s through the 1900’s.  The design was resurrected by Polish and Swedish companies around 1950-1960.

Beckman

American manufacturer of gas analyzers.  Developed, manufactured and sold the Beckman Metabolic Cart during the 1970’s.

Bellange, G

French craftsman/manufacturer of a gas meter-type spirometer in the late 1880’s.

Biocom

Manufactured the SpiroLink Real-time Spirometry System in the 1980’s.

Bio-Logics

Manufactured and sold a laboratory data management system for PFT Labs in the mid-1970’s.

Biotrine

Based in Woburn, Massachusetts, USA.  Developed several different spirometers for other manufacturers from the 1970’s through the 1990’s (these included the Devilbiss Surveyor I).  Developed the ceramic pneumotachograph.  Manufactured and sold the MultiSpiro PC spirometer under the Biotrine name in the 1980’s through the 1990’s.

Boehringer

Manufactured a mechanical dial turbine spirometer, the 8800, starting around 1980.

Bosch, J. u. A.  

A craftsman that manufactured scientific spirometers in Strassburg, Germany in the 1890’s.

Bosch Medical

A German corporation.  Manufactured the Bosch 501 spirometer in the 1990’s.

Boudin

French, manufactured and sold a spirometer based on a rubber bulb from  the 1870’s through the 1900’s.

Boulitte

A French manufacturer and distributor of scientific and medical equipment and supplies.  Manufactured and sold a variety of bellows-based and water-seal spirometers from the 1920’s through the 1940’s.

Brentwood

Company based in Torrence, California, USA.  Sold several pneumotachograph-based spirometers that were originally manufactured by Fukuda Denshi of Japan during the 1990’s.

Known models include the Spiroscan 1000, Spiroscan 2000 and Spiroscan 4000

Breon

Manufactured and sold a rectangular rolling-seal spirometer, the Breon 2400, during the 1980’s.

Brown, A G

English craftsman/manufacturer of a wet gas meter-type spirometer, called the Spiroscope, during the late 1860’s.

Brown, G W

American manufacturer of a rectangular water-seal spirometer intended both for personal use and for physicians from the late 1860’s through the 1890’s

Burt

American, manufactured and sold a spirometer based on a U-tube manometer during the 1870’s.

Caille Brothers

Manufacturer of arcade spirometers from about 1890 through 1910.

Caird Technology

Manufactured a spirometer in the 1990’s.

Cambridge Scientific Instruments

An English company that manufactured and distributed  scientific laboratory equipment and supplies.  Manufactured and sold Hutchinson-style scientific spirometers from the 1880’s through the 1890’s. Also known to have sold the Virchow spirometer in the 1890’s.

Cardio Pulmonary Instruments (CPI)

Based in Houston, Texas, USA.  Manufactured a dry rolling-seal spirometers, models CPI211 and CPI 220, during the 1970’s and a plethysmograph, the CPI 2000, during the 1980’s.  Also manufactured the CPI 451, which may have been a helium dilution/DLCO analzyer add-on for the CPI 220.

Some or all of the CPI product line may have been bought by Sensormedics in the late 1980’s.

Cavitron

Manufactured pneumotachograph-based spirometers from the 1980’s through the 1990’s.  May have manufactured a volume-displacement spirometer.

Known model names include SC-20A, PM-20Spirometric Computer, Donti Pulmonary Performance Analyzer, Donti PA70 and Donti PA75.

CDX Corporation

Originally based in Aurora, Colorado, USA in the 1980’s and moved at a later date to Rhode Island, USA.  Manufactured pneumotach and turbine based spirometers from the 1980’s until the early 1990’s.   The Autospiro used a vortex-shedding sensor.

Known models include SpiroComp, CDX101, Autospiro, CDX-100SSpiro 110, Spiro 850, SB OfficeSpirobank G, Spiromax and SpiroLab II.

Centronics

Manufactured and sold respiratory mass spectrometers from the 1970’s through 1980’s.

Known models include MGA-100 and MGA-200.

Cheeseborough-Ponds

Sold the Respiradyne spirometer based on a Lilly pneumotachograph during the 1990’s.

ChesTech

Located in King of Prussia, PA, USA and founded by Linda Hurwitz, Robert Koshinskie and Dennis Silage in 1978. Interfaced the Apple II with spirometers (W E Collins, Med-Science) for spirometry.  Developed the Prodigy lab system (spirometry, lung volumes, DLCO) using an Ohio spirometer. Acquired by Sensormedics 1984.

Product names include Prodigy and Spirosoft.

C. Macintosh Co.

Located on Cambridge St., Manchester, England.  Manufactured Douglas bags from 30 to 2000 liters in the 1920’s.

Code, Hopper & Co.

Manufactured a gas meter style spirometry in Philadelphia, USA during the 1860’s.

Collins, Warren E

Originally a craftsman who worked with Benedict and Roth. Started the Warren E Collins company that was based in Massachusetts, USA from 1921 until the mid-1990’s when it was acquired by a Ferraris Medical, a European conglomerate, and then by NSpire in the mid-2000’s.  Manufactured a variety of spirometers, multi-purpose testing systems, metabolic testing systems, exercise testing systems, plethysmographs, treadmills, Tissot spirometers, valves and pneumotachographs.

Known model names include Metabolex, Vitalometer, 9-Liter Respirometer, 13.5 Liter Respirometer, Stead-Wells Spirometer, Modular Lung Analyzer, Maxi-Modular Lung Analyzer, S-421, DS-421, DS-420, S-520, DS-520, DS-560, DS-II, DS Plus, RS, Survey I, Survey II, Survey III, Survey Eagle, Survey Eagle II, GS and CPL.

Columbus Instruments

Based in Columbus, OH, USA.  Manufactured and sold basal metabolism systems in the 1990’s.

Known models include the Oxymax-H.

Compumed

Manufactured a spirometer, the Pulmonary Function Analyzer Model 307B during the mid-1980’s.

Consentius Technologies

Based in Sandy, UT, USA.  During the 1990’s manufactured(?) / sold the Parvomedics MMS-2400 metabolic measurement system.

Cornell Outfitting Company

A company (American?) that manufactured and sold scientific laboratory equipment and supplies.  Manufactured and sold a spirometer during the 1890’s.

Coxeter

An English manufacturer of a spirometer based on a pair of calibrated bags during the 1870’s.

Creative Biomedics

California, USA manufacturer of a pneumotach-based spirometer from the 1990’s to about 2010.

Known models include the DX Portable Plus.

Cybermedic

Based in Louisville, Colorado, USA.  Manufactured a variety of pneumotachograph and bellows-based spirometers and a metabolic/exercise testing system from the 1980’s through the 1990’s.  Possibly acquired first by W.E. Collins and then by Ferraris Medical in the mid-2000’s.

Known models include CM310, Moose, Spinnaker TL, Spinnaker SL, PFF-1 and Metascope Metabolic Analyzer.

Dargatz

A German company.  Manufactured spirometers and metabolic/exercise systems from the 1950’s through the 1970’s.

Known models include the Magnatest type 510 Spirograph, Knipping Model 210D, Repotest type 502 and Repotest type 602 Spirometer.

Datametrics

Manufactured a spirometer around 1980.

Denison

Physician-designed bellows spirometer.  Manufactured and sold by several medical supply firms from the early 1890’s through the early 1900’s.

Devilbiss

 Manufactured and sold the Surveyor I Spirometer Model 3501 (designed by Biotrine) in the 1970’s.

Deyton Manufacturing Corporation

The company was based in Boston, Massachusetts, USA . Manufactured and sold a lung exercise device called the Deyton Radial Spirometer during the early 1890’s.

Doelcam Corporation

Based in Boston, MA, USA.  Manufactured Krogh spirometer and possibly other types during the late 1950’s through the early 1960’s.

Drager

German manufacturer of pneumotachograph-based spirometers from the 1970’s through 1980’s.  The founding brothers constructed water-seal spirometers during the 1910’s.

Known models include the Spirotron and Spiromed 2

Electro Med

Manufactured and sold a variety of spirometers and a plethysmograph from the 1960’s through the 1970’s.

Known models include Electro Med 800, Electro Med Model 780 Spirometer,  Electro Med Model 787 Pulmo-Digicomp, Electro Med Model 786 Pneumotachographic Spirometer and Electro Med Model 795 Plethysmograph.

Emros Ltd.

Manufactured the Spiroanaylzer SA-03 during the late 1990’s.

Equilibrated Bio-Systems

Based in Smithtown, NY, USA.  Designed custom data management systems for PFT laboratories during the 1990’s and early 2000’s.   Developed the Turboaire vortex air cooler for cold air bronchial provocation testing (since sold to Vacumed).

Fenyves & Gut

Swiss manufacturer of spirometers, metabolic systems and plethysmographs from the 1960’s until about 1990.

Known models include Pulmostar S, Pulmostar SMB, Pulmosport, Bodystar and Pulmorex.

Fleisch, A

Developed the Fleisch pneumotachograph in 1925.  Developed and sold the Metabographe, a metabolic/exercise system and the Metabometer, a portable basal metabolism system from the 1960’s through the 1970’s.

Frank Betz Company

Manufactured and sold a basal metabolism system in the early 1920’s.

Fred Medart Co.

An American company that manufactured and supplied school equipment.   Sold a Hutchinson-style spirometer from the 1920’s and 1960’s.

Forstmann

A German craftsman who manufactured wet gas-meter type spirometers in the 1850’s.

Future Impex Corporation

Based in Deer Park, New York, USA.  Re-sold the Automatic Spirometer ST-200 that was originally manufactured by Fukuda Denshi of Japan in the early 1980’s.

Gad

French scientist/craftsman who designed a water-seal spirometer, the Aeroplethysmograph, during the 1870’s that eventually became known as the Krogh spirometer.

Galante

A French company that manufactured and sold a counter-weighted bellows medical spirometer in the early 1900’s.

Garther

A British distributor of medical products in the 1950’s.  Changed it’s name to Vitalograph Ltd with the production of its first spirometer.

Gilford Laboratories

Manufactured a Krogh-type spirometer with electrical output during the late 1950’s.

Godart

A European corporation.  Manufactured spirometers, multi-purpose testing systems, gas analyzers, plethysmographs and Tissot spirometers from the 1960’s to about 2000 when it was acquired by Sensormedics.

Known model names include Expirograph, Volumograph, Diffusiontest, Pulmonet, Pulmo Analysor and Pulmotest.

Gould

Based in Dayton, Ohio, USA.  Acquired SRL corporation during the 1980’s.  Manufactured spirometers, multi-purpose testing systems and plethysmographs from the 1970’s through the late 1980’s.  May also have manufactured a metabolic/exercise system.

Known models include Autobox 2800Spiroscreen 21E, 2180 Spiromeer, 2200 Spirometer, 5000IV Computerized Pulmonary Function Test System, Gould-Statham SP-1007 Ultrasonic spirometer and 5004-IV, Model 2120 Spiroscreen.

Grandcor Medical Systems

Manufactured a spirometer, the Spiroscope, around 1990.

Greer

British (?) corporation that manufactured spirometers from the late 1960’s through the 1970’s.

Known models include the  CS-3 Electrospirometer.

Gregor

A German craftsman of scientific spirometers around 1900.

Hall, Dr.

Manufactured and sold a personal bellows-style lung exerciser/ spirometer during the late 1870’s.

Harvard Instrument Company

An American company that manufactured and sold scientific laboratory equipment and supplies.  Manufactured and sold a spirometer during the 1890’s.

Haser

A German craftsman of scientific spirometers in the 1850’s.

Hawksley

London, England craftsman/manufacturer of scientific spirometers in the 1880’s.

Hewlett Packard

An American electronics technology corporation. Manufactured pneumotachograph-based spirometers and multi-purpose testing systems from the 1970’s through the 1980’s. Developed and sold the original ear oximeter.

Known models include the 47305A Pulmonary Function System,  Model 47201A Ear Oximeter, 47804S PFT System and Model 5000 VR Vertek spirometer.

Hospal

Sold a spirometer, the Calculair, around 1980.

Inair

A New Jersey, USA corporation.  Manufactured the DSXL Diffusion spirometer in the late 1990’s.

Infomed

Based in Englewood, Colorado, USA.  Manufactured an 8-liter horizontal dry rolling seal spirometer, the MWS 6000, during the 1980’s and 1990’s.  Sold an interface to a Burroughs Model B25 minicomputer in the mid-1980’s.

Innovision

European company.  Manufactured the AMIS mass spectrometer in the late 1990’s and early 2000’s.

Integrated Medical Systems

Manufactured and sold a spirometer called the MultiMed in the early 1990’s.

Instromedix

Manufactured a pneumotach-based spirometer during the early 2000’s, the Life Signs SP.

Instrumentation Associates

Based in New York, NY, USA.  Manufacturer and distributor of pulmonary function equipment during the 1960’s.

Known models include Capnograph, Pulmonet, Pulmoanalysor, Diffusionet.

Jaeger

A German manufacturer of spirometers, multi-purpose test systems, plethysmographs and metabolic/exercise testing systems from the 1970’s through the 1990’s.  Acquired by Sensormedics in the mid-1990’s.

Known models include ScreenmateMasterscope, Pneumoscope, Flowscreen Pro, Spiro-Junior and Masterscreen Pneumo.

Jagielski

An English physician/craftsman that designed a gas meter-style spirometer.  Manufactured and sold by Mayer and Meltzer.

Jahne

A German craftsman of scientific spirometers in the 1850’s.

Kepler

The Kepler Malt Extract Company of England devised an advertisement that functioned as a spirometer in 1889.

Kifa

A Swedish company than manufactured Krogh and bell-type water seal spirometers and multi-purpose testing systems from the 1960’s through the 1990’s.

Known models include the Spirotemp,  Spirokombi  and Lundia spirograph.

Kinetix (Kinetics)

Manufactured turbine-based spirometers from the 1980’s through the 1990’s.

Known models include Respirometer, Pulmometer and Windmill KM100.

KL Engineering

Manufactures and sold a turbine-based spirometer, the Pneumoscan around 1990.

Knecht

A German manufacturer of spirometers during the 1960’s.

Koenig

A German craftsman/manufacturer of scientific spirometers around 1900.

Kuchenmeister

A German craftsman of scientific spirometers during the 1850’s.

Lewis, Dio

American physician/physiotherapist designed, manufactured and sold at least two different turbine or fan-based personal spirometers from the mid-1860’s through the 1890’s.

Lacey

Manufactured and sold a lung exercise device called Lacey’s Spirometer or Lung Register during the 1890’s.

Levoyer, Walter

French craftsman/manufacturer of water-seal spirometers during the 1870’s.

Lifeline Controls

Manufactured and sold a spirometer, the Lifeline 4800-C Digital Spirometer in the early 1980’s.

Lode

A Dutch manufacturer of spirometers from the 1980’s through the 1990’s.

Known models include D 53/R and Spirograph D-75.

Lowne (Lownde)

An English craftsman/manufacturer of a turbine or fan-based spirometer during the 1870’s.  Sold by several scientific and medical suppliers, notably Arnold & Son and Casella.

LSE

Manufactured and sold the Vanguard DS-601 during the 1970’s and 1980’s.  First spirometer with a disposable pneumotach.

Marion Labs

Developed and sold the Spirostat Spirometer in the mid-1970’s that used a disposable turbine sensor.

Marsh

Based in Chicago, Illinois, USA.  Manufactured and sold a spirometer based on a rubber-balloon and tape measure from the 1880’s to about 1900.

Mayer

A German craftsman/manufacturer of scientific spirometers around 1875.

Mayer & Meltzer

English craftsmen/manufacturers of spirometers in the 1880’s. Known to have manufactured the McKenzie spirometer in 1886.

McDermott

Located in South Wales (Australia?).  Manufactured and sold a dry, bellows spirometer in the 1970’s.

McKesson

Manufactured and sold a basal metabolism system, the Metabolor, based on a Krogh-type spirometer from the early 1920’s through the 1970’s, and a bellows-type spirometer, the Vitalor, from the 1960’s through the 1970’s.

McMunn

English manufacturer of a personal spirometer during the 1890’s.

Medi-Craft Instruments Inc.

Manufactured spirometry and DLCO test systems in the 1970’s.

Medical Equipment Designs

Based in Laguna Hills, California, USA.  Manufactured and sold spirometers in the 1980’s, several of which were originally designed and manufactured by Biotrine.

Known models include the Autospirometer HI-498, Chestac 25F Spirometer, Multi-Spiro SA/100, MultiSpiro PC and the FRC 85 Spirometer.

Medical Systems Corporation 

Manufactured and sold the Spirolite Model MSC-201, Spirolite 101 and Spirolite 201 spirometers in the early 1990’s.

Mediconcept

Based in Paris, France.  Manufactured and sold the Controlair spirometer from the late 1980’s through the early 1990’s.

Meditron

Manufactured and sold the Magnatest 710, a closed circuit ergospirometry system (developed by Dargatz?) around 2000.

Medix Medical Electronics

USA-based corporation that manufactured and sold spirometers in the early 1980’s.

Known models include the 210 and 211.

Med-Science

Based in Needham Heights, Massachusetts, USA. Manufactured and sold bellows, wedge and pneumotachograph-based spirometers, multi-purpose testing systems and plethysmographs from the 1960’s through the 1980’s.

Known models include the 3200 AT, Hi-Fi 465, Hi-Fi 470, 525, Model 370 Wedge Spirometer, Model 560 Wedge Spirometer, Model 570 Wedge Spirometer, Pulmonizer,  FLOOP,  Compactest, Model 3000, Pulmo-box Model 275 and Model 4000 and Model 505 Nitralyzer (nitrogen analyzer).

Mercury Electronics

A Scottish company that developed electronic pneumotachograph-based spirometers and respiratory monitoring systems during the 1970’s.

Known models include the Computing Spirometer CS-1 and the Electrospirometer CS-3 and CS5 spirometer.

Metatest

A Soviet Russian manufacturer of bellows and water-seal spirometers during the 1970’s and 1980’s.

Known models include the Metatest-1, Metatest-2, Barometatest, Bronchometatest, PediMetatestMetatest VS and the Metatest VSV-1.

Middlewest Laboratories

Manufactured and sold basal metabolism systems in the early 1920’s.  Name was changed to Jones in the mid-1920’s.

Mijnhardt

A Dutch manufacturer of dry-rolling seal and pneumotachograph-based spirometers, multi-purpose test systems and plethysmographs from the 1960’s through the 1990’s.

Known models include the Bodystar Plethysmograph, Vicatest-1A, Volutest VT-3, Vicatest 4, Vicatest VCT-5 and Vicatest P2, VRS 2000, Volugraph 2000.

Mills Novelty Company/ Mills Brothers

Manufactured and sold arcade spirometers from the 1890’s through the 1910’s.

Monaghan

An American company than manufactured hot-wire anemometer spirometers in the 1970’s.

Known models include the Analyzer PFT, the Monaghan 402 and the Monaghan M403.

Multi-Spiro Inc.

Manufactured the Multispiro-SX and Multispiro SA100 spirometers in the early 1990’s.

Narragansett Machine Company

Rhode Island, USA based company that manufactured and sold a Hutchinson-style spirometer from the 1900’s through the 1920’s.

National Cylinder Gas

Manufactured and sold a hot-wire type electronic spirometer, the Pulmonary Function Indicator, during the 1970’s.

National Spirometer Company

Manufactured a variety of spirometers, both for schools and for arcades from around 1890 to 1920.

New Med

Manufactured and sold the 7000 Spirobyte spirometer during the 1980’s.

Ohio Medical Instrument Company

Manufactured dry-rolling seal spirometers, multi-purpose testing systems and plethysmographs from the 1970’s through the early 1990’s.  Acquired by Airco in the early 1980’s but continued to sell under the Ohio name.  Acquired by Sensormedics in the mid-1980’s.

Known models include the 300Model 800, Model 820, Model 822, Model 827, Model 840, Model 842Model 922 and 3000 System.

Palmer, C F.

An English company that manufactured and sold scientific laboratory equipment and supplies from the 1920’s through the 1960’s.  Manufactured several different water-seal scientific spirometers based on the designs of Benedict, Roth and Knipping during this time.

Perkin-Elmer

Manufactured and sold a respiratory mass spectrometer, the MGA 110, during the 1980’s.

Perry & Co.

American company that manufactured and sold a personal lung exerciser/spirometer during the 1880’s.

Petzold

A European craftsman/manufacturer of scientific spirometers around 1900.

Phillips

Manufactured and sold the Turbine Spirometer in the late 1970’s.

Pixxi

Based in Paris, France.  Craftsman/manufacturer of scientific spirometers.

Pneumedics

Based in Norwalk, Connecticut, USA.  Manufacturer of of pneumotachograph-based spirometers from the 1980’s to early 1990’s.

Known models included the Dataloop, Spirolyzer and the Spiroloop.

Poulton

English manufacturer of water-seal spirometers between 1950 and 1960.

Pulmonary Data Systems – PDS

Manufactured and sold pneumotachograph-based spirometers from the mid-1980’s through the mid-1990’s.  Acquired first by a European conglomerate in the mid-1990’s and then by Nspire about the mid-2000’s.

Known models include the KoKo Trek.

Pulmonary Testing Systems

Manufactured the System 80 Computerized Spirometer  around 1980.

Puritan-Bennett

Based in Wilmington, Massachusetts, USA.  Manufactured several spirometers from the 1970’s through the 1990’s.  Acquired by Nellcor in the 1990’s.  Spirometer line discontinued in the early 2000’s.

Known model names are Renaissance, Renaissance IISimplicity, PB-900, PB910 and NPB-500.

Quinton

Based in Seattle, WA, USA.  A division of A H Robbins.  Manufactured and sold the SpiroScreen 2120 during the mid-1980’s and the Masterlab system, Q-Plex I metabolic cart, and ML-Compact PFT system in the early 1990’s,

 

Renesco

Manufactured the Minispirometer SP-1 spirometer during the late 1970’s.

Robin

A French craftsman/manufacturer of a bellows wedge spirometer in the early 1900’s.

Ruffier

A French craftsman/manufacturer of a vertical bellows spirometer .  Sold by Rainier,  a medical supplier during the 1920’s.

S & M Instruments

Based in Doylestown, Pennsylvania, USA.  Manufacturer of spirometers and multi-purpose test systems from the 1980’s through the 1990’s.

Known models include Portascreen, Pulmoscreen, CF150B, GS520, Keystone S-300 and Keystone III.

Sanborn

An American manufacturer basal metabolism systems from the 1920’s through the 1950’s.  Manufactured and sold water-seal spirometers during the the 1920’s.

Known models include Sanborn Handy.

Schnitzler

Physician/craftsman designed double and single-bell water-seal spirometers to provide compressed and rarified air to patients as therapy based on the theories of Waldenberg.  Sold by a variety of medical equipment supplier in the mid-1880’s.

Scientific Instruments Co.

Manufactured basal metabolism systems in the early 1920’s.

Sensormedics

Company based in Anaheim, California USA.  Manufactured spirometers, multi-purpose testing systems, plethysmographs and metabolic/exercise test systems from the 1970’s through the 1990’s when it was acquired first by Viasys and then by Carefusion.  Said to be formed by the engineers of the Beckman Metabolic Cart.

Known models include the Model 2900 Metabolic Cart, Presto, Vmax229 V62J Autobox, Model 922, Model 2130 and Autobox V6200.

Servonetics

Manufactured the Turbine Spirometer in the early 1990’s.

Sheperd

American craftsman/manufacturer of a medical water-seal spirometer.  First version was manufactured and sold in the mid-1880’s.  Second verson included an atomizer for medications and was sold in the early 1890’s through about 1900.

Siebe-Gorman

Manufactured Tissot spirometers between the 1960’s and 1990’s.

Siemens

Manufactured a body plethysmograph, the Siemens Siregnost FD91S Body plethysmograph, from the 1970’s through the 1980’s.  Manufactured a forced oscillation system, the Siregnost FD-5, during the 1980’s and 1990’s.

Simon, Gustav

Physician/scientist/craftsman designed and manufactured a variety of water-seal spirometers from the late 1840’s through the 1860’s.

Simplex

American manufacturer of a turbine/fan-based personal spirometer from the 1900’s through the 1920’s.

Spalding

An American manufacturer and distributor of educational equipment and supplies.  Sold a water-seal spirometer during the 1900’s.

Spengler

A French manufacturer of bellows-type spirometers from the 1950’s through the 1960’s.

Spirometer Company, Chicago, IIlinois

Manufactured and sold a personal “lung exerciser”, the Duplex Spirometer, during the early 1900’s.

Spirometer Company, Pomona, California.

Manufactured and sold a “pocket watch” style personal spirometer during the 1920’s.  The company was owned by Charles E. Ramage who patented the spirometer in 1910. Labeled as the “Long Life Lung Developer and Tester”.

Spirometer Company Ltd, Britain.

British company that incorporated in 1888 and went out of business around 1915.

Spirometrics

Company based in Auburn, Maine, USA.   in Manufactured and sold pneumotachograph-based spirometers from the 1980’s through the 1990’s.

Known models include the Breon 2400, 2453, Flowmate 2500 LTE, FMI-III, SMI-III, 2600 MIRO, 4000 Flowmate V Plus and CMD/PC-Flow+ and SMI 2400. 

SpiroTech

Based in Atlanta, Georgia, USA.  SpiroTech was founded by Dr. James Bradford, a former NASA materials research and Georgia Tech physics professor.  Dr. Bradford oversaw the first medical database application in the late 1970’s and early 1980’s at Emory Clinic.  The first SpiroTech spirometer design was a result of a research project on pulmonary disease from cotton fiber manufacturing. SpiroTech manufactured horizontal dry rolling-seal spirometers and multi-purpose testing systems from the 1980s through the 1990’s.

Known models include the S400, S401, S500, ST-550 , ST-5500, S700 and S800.

SRI

Manufactured and sold the Medspect respiratory mass spectrometer, model MS8, during the 1970’s.

SRL – Systems Research Labs

Manufactured a hot-wire anemometer based spirometer, the M10 Predictive Pulmonary in the mid-1970’s.  May have been acquired/merged with Cosmed around 2000.

Stanley

An English scientist/craftsman that designed and and sold a gas meter-style spirometer in the 1890’s.

Stoelting

A manufacturer and distributor of school equipment and supplies in the 1920’s and 1930’s. Sold a Hutchinson-style spirometer branded with its name during this time period.

Tamarac

Manufactured and sold a pneumotachograph, the Presto, during the early 1990’s.  The Presto was sold to Burdick.

Teledyne Avionics

Manufactured and sold the TS200, TS400, TS500 and TS1000 spirometers during the 1980’s.

Timeter

Manufactured a sold a pneumotachograph-based spirometer, the L.A.P Spirometer from the late 1980’s through the early 1990’s.

Tobold

A German physician/craftsman designed a water-seal spirometer to provide compressed and rarified air as therapy based on Waldenberg’s theories.  Sold by a variety of medical equipment suppliers during the late 1870’s and early 1880’s.

Toledo Technical Appliance Co.

Manufactured basal metabolism systems in the early 1920’s.

 

Tracor

Based in Austin, Texas, USA.  Developed and sold the DS-601 R in the early 1970’s which was later relabeled and sold as the LSE Vanguard.

Upham

A Boston, Massachusetts, USA craftsman/manufacturer of dry spirometers during the 1920’s.

Vacumetrics

Company based in Ventura, California, USA.  Sold a PC-based volume-displacement spirometer, the UCI-500,  during the 1980’s.

Verdin

French manufacturer of a gas meter-type spirometer from the early 1900’s through the 1930’s.  Sold by a variety of medical equipment suppliers,

Vertek

Manufactured a Fleisch pneumotachograph-based spirometer, the Vertek VR500 around 1990.

Villemin

A French craftsman/manufacturer of spirometers in the 1890’s.

Von Recklinghuysen

European craftsman/manufacturer of scientific spirometers around 1900.

Waldenberg

German physician/craftsman designed a water seal spirometer designed to provide pressurized and rarified air to patients from the mid-1870’s through the 1880’s.  Sold by a variety of American and European medical equipment suppliers.

Weiss

An American manufacturer and distributor of scientific and medical equipment and supplies.  Manufactured and sold a water-seal spirometer during the early 1860’s.

Wintrich

A German physician/scientist/craftsman who designed and manufactured simplified water-seal spirometer during the 1850’s and 1860’s.

H. Wohlgroth Co.

Swiss company manufactured a spirometer during from the 1950’s through the early 1960’s.

York Glass Company

English company that manufactured a glass water-seal spirometer in 1864.

ZAN

German company manufactured and sold spirometers, multi-purpose test systems, plethysmographs and metabolic/exercise testing systems.  Acquired by Ferraris Medical in the late 1990’s and then by NSpire in the mid-2000’s.

Known models include Flowhandy ZAN100 USB, ZAN500 Plethysmograph and Zan600 CPET system.

Zimmerman, E

Berlin, Germany craftsman/manufacturer of spirometers around 1910.

 

If you have any corrections or additions to this information I would appreciate hearing from you:

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PFT History by Richard Johnston is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

The diverse, quirky and mostly forgotten history of Pulmonary Function testing