CPC Subgroup Additional Only
A61M 2205/36 related to heating or cooling
Full Title
General characteristics of the apparatus > related to heating or cooling
13 direct subcodes
Child Classifications
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- A61M 2205/3606 cooled
- A61M 2205/3613 by body heat
- A61M 2205/362 by gas flow
- A61M 2205/3626 by controlled mixing of fluids at different temperatures
- A61M 2205/3633 thermally insulated
- A61M 2205/364 by chemical reaction
- A61M 2205/3646 by heat accumulators, e.g. ice, sand
- A61M 2205/3653 by Joule effect, i.e. electric resistance
- A61M 2205/366 by liquid heat exchangers
- A61M 2205/3666 using heat loss of a motor
- A61M 2205/3673 thermo-electric, e.g. Peltier effect, thermocouples, semi-conductors
- A61M 2205/368 by electromagnetic radiation, e.g. IR waves
- A61M 2205/3693 by mechanical waves, e.g. ultrasonic
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