by contact with heat-absorbing or radiating masses, e.g. heat-sink

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Cooling > by contact with heat-absorbing or radiating masses, e.g. heat-sink

CPC:

Cooling (by refrigeration, e.g. circulation of refrigerated fluid, F25D; heat-exchange or heat-transfer details of general application F28F) > by contact with heat-absorbing or radiating masses, e.g. heat-sink

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class G12,2013–2023, worldwide · Source: EPO PATSTAT

HEWLETT-PACKARD DEVELOPMENT COMPANY US 90
ROBERT BOSCH DE 46
SICK DE 26
TIANJIN UNIVERSITY 24
CHINESE ACADEMY OF SCIENCES 23
NSK 22
CARL ZEISS SMT DE 22
ENDRESS + HAUSER & COMPANY DE 21
SUZHOU MICRO AUTOMATION TECHNOLOGY COMPANY 20
AUDI DE 20

Top Applicants (CPC)

Class G12,2013–2023, worldwide · Source: EPO PATSTAT

BECTON, DICKINSON & COMPANY US 20
LANDIS & GYR CH 17
TIANJIN UNIVERSITY 16
AUDI DE 14
SAMSUNG ELECTRONICS COMPANY KR 13
ARCHI ENTERPRISES CA 12
RITTAL & COMPANY DE 11
SIEMENS DE 11
HEWLETT-PACKARD DEVELOPMENT COMPANY US 10
ROBERT BOSCH DE 10