CPC Subgroup
A61B 5/08 Measuring devices for evaluating the respiratory organs
Full Title
Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons > Measuring devices for evaluating the respiratory organs
12 direct subcodes
Child Classifications
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- A61B 5/083 Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
- A61B 5/085 Measuring impedance of respiratory organs or lung elasticity
- A61B 5/087 Measuring breath flow
- A61B 5/091 Measuring volume of inspired or expired gases, e.g. to determine lung capacity
- A61B 5/097 Devices for facilitating collection of breath or for directing breath into or through measuring devices
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513