CPC Subgroup
A61B 5/022 by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
Full Title
Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons > Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow > Measuring pressure in heart or blood vessels > by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
7 direct subcodes
Child Classifications
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- A61B 5/0225 the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
- A61B 5/023 the pressure transducers comprising a liquid column
- A61B 5/0235 Valves specially adapted therefor
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