IPC Subgroup
G05B 11/01 electric
Introduced: September 1968
Last revised: January 2006
Full Title
Automatic controllers > electric
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
5 direct subcodes
Child Classifications
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- G05B 11/06 in which the output signal represents a continuous function of the deviation from the desired value, i.e. continuous controllers
- G05B 11/14 in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
- G05B 11/26 in which the output signal is a pulse-train
- G05B 11/32 with inputs from more than one sensing element; with outputs to more than one correcting element
- G05B 11/36 with provision for obtaining particular characteristics, e.g. proportional, integral, differential
Top Applicants
Top 10 applicants by patent filingsfor 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