IPC Main Group
G12B 15/00 Cooling
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- INSTRUMENT DETAILS
- Subclass:
- CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
Related Keywords
COOLING of instruments
3 direct subcodes
Child Classifications
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- G12B 15/02 by closed-cycle fluid-circulating systems
- G12B 15/04 by currents of fluid, e.g. air, in open cycle
- G12B 15/06 by contact with heat-absorbing or radiating masses, e.g. heat-sink
Top Applicants
Top 10 applicants by patent filingsfor 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