CPC Subgroup
G05D 13/10 Centrifugal governors with fly-weights
Full Title
Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover > without auxiliary power > Centrifugal governors with fly-weights
7 direct subcodes
Child Classifications
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- G05D 13/12 Details
- G05D 13/18 counterbalanced by spider springs acting immediately upon the fly-weights
- G05D 13/20 counterbalanced by spider springs acting upon the articulated riser
- G05D 13/22 counterbalanced by fluid pressure acting upon the articulated riser
- G05D 13/24 counterbalanced by two or more different appliances acting simultaneously upon the riser, e.g. with both spring force and fluid pressure or with both spring force and electromagnetic force
- G05D 13/26 with provision for modulating the degree of non-uniformity of speed
- G05D 13/28 with provision for performing braking effects in case of increased speed
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