DIFF Subgroup
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
Introduced: September 1968
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 > 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
No child classifications to compare. This is a leaf node in both 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