Measuring blood output from the heart, e.g. minute volume

Introduced: January 1990

Last revised: January 2006

Full Title

Measuring for diagnostic purposes; Identification of persons > Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow > Measuring blood flow > Measuring blood output from the heart, e.g. minute volume

Classification Context

Section:: HUMAN NECESSITIES
Class:: MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:: DIAGNOSIS; SURGERY; IDENTIFICATION

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