CPC Subgroup
G05D 13/34 with auxiliary non-electric power
Full Title
Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover > with auxiliary non-electric power
Filing statistics
CPC G05D 13/34 belongs to the parent subclass G05D, which recorded 227,290 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,629 in 2013 to 16,612 in 2023 (+118%), peaking at 30,148 applications in 2019. The most active applicants in class G05 are FANUC (6,367 applications), SIEMENS (5,963 applications) and FANUC (4,535 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- G05D 13/36 using regulating devices with proportional band, i.e. P regulating devices
- G05D 13/46 using regulating devices with proportional band and integral action, i.e. PI regulating devices
- G05D 13/52 using regulating devices with proportional band and derivative action, i.e. PD regulating devices
- G05D 13/60 using regulating devices with proportional band, derivative and integral action, i.e. PID regulating devices
Top Applicants
Top 10 applicants by patent filingsfor 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