G05D 23/24 the sensing element having a resistance varying with temperature, e.g. a thermistor
Introduced: September 1968
Title
Titles differ between systems:
IPC: the sensing element having a resistance varying with temperature, e.g. thermistor
CPC: the sensing element having a resistance varying with temperature, e.g. a thermistor
Full Title
Full titles differ between systems:
Control of temperature > characterised by the use of electric means > with sensing elements having variation of electric or magnetic properties with change of temperature > the sensing element having a resistance varying with temperature, e.g. thermistor
Control of temperature > characterised by the use of electric means > with sensing elements having variation of electric or magnetic properties with change of temperature (G05D23/13 takes precedence) > the sensing element having a resistance varying with temperature, e.g. a thermistor
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class G05,2013–2023, worldwide · Source: EPO PATSTAT
- SIEMENS DE 4,725
- SGCC(STATE GRID CORPORATION OF CHINA) 4,571
- FANUC JP 4,233
- MITSUBISHI ELECTRIC CORPORATION JP 3,143
- FANUC 2,981
- ROBERT BOSCH DE 2,813
- CHINESE ACADEMY OF SCIENCES 2,500
- LG ELECTRONICS KR 2,182
- OMRON CORPORATION JP 2,036
- SAMSUNG ELECTRONICS COMPANY KR 1,981
Top Applicants (CPC)
Class G05,2013–2023, worldwide · Source: EPO PATSTAT
- FANUC JP 6,367
- SIEMENS DE 5,963
- FANUC 4,535
- MITSUBISHI ELECTRIC CORPORATION JP 4,201
- ROBERT BOSCH DE 4,010
- LG ELECTRONICS KR 3,802
- SAMSUNG ELECTRONICS COMPANY KR 3,143
- FORD GLOBAL TECHNOLOGIES US 2,889
- TOYOTA MOTOR CORPORATION 2,778
- OMRON CORPORATION JP 2,743