IPC Subgroup
A61B 5/145 Measuring characteristics of blood , e.g. gas concentration or pH-value
Introduced: January 2000
Last revised: January 2006
Full Title
Measuring for diagnostic purposes; Identification of persons > Measuring characteristics of blood , e.g. gas concentration or pH-value
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- DIAGNOSIS; SURGERY; IDENTIFICATION
Additional Content
Non-radiation detecting or locating of foreign bodies in blood
Related Keywords
measuring characteristics of BLOOD in vivoMEASURING characteristics of blood
4 direct subcodes
Child Classifications
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- A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
- A61B 5/1468 using chemical or electrochemical methods, e.g. by polarographic means
- A61B 5/1491 Heated applicators
- A61B 5/1495 Calibrating or testing probes
Top Applicants
Top 10 applicants by patent filingsfor 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