DIFF Subgroup
A61B 5/08 Measuring devices for evaluating the respiratory organs
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Measuring for diagnostic purposes; Identification of persons > Measuring devices for evaluating the respiratory organs
CPC:
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
CPC subdivides this area 2x more granularly than IPC with 7 additional codes.
7 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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- A61B 5/083 Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption since 1990 +2 CPC IPC+CPC Available in IPC and CPC
- A61B 5/085 Measuring impedance of respiratory organs or lung elasticity since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- A61B 5/091 Measuring volume of inspired or expired gases, e.g. to determine lung capacity since 1990 IPC+CPC Available in IPC and CPC
- A61B 5/097 Devices for facilitating collection of breath or for directing breath into or through measuring devices since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594
Top Applicants (CPC)
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