G05D 16/00 Control of fluid pressure
Introduced: September 1968
Additional Content IPC
Devices for controlling tyre pressure Control of air pressure within diving suit Automatic control of aircraft air-pressure Control devices, e.g. for controlling gas pressure, for preventing jamming of material in bulk material conveyors Control of pressure in the treatment of filament-forming material Controlling pressure of drilling fluid for flushing boreholes Controlling lubricant pressure Control of pressure of fluid carrier in chemical analysis Means for obtaining or maintaining pressure in electric discharge tubes or lamps Means for obtaining or maintaining pressure in electric incandescent lamps
Of 6 combined children, 4 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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- G05D 16/02 Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or imbalance IPC+CPC Available in IPC and CPC
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