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CPC Subgroup
G05D 13/36

using regulating devices with proportional band, i.e. P regulating devices

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 > using regulating devices with proportional band, i.e. P regulating devices

4 direct subcodes

Child Classifications

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  • G05D 13/38 involving centrifugal governors of fly-weight type
  • G05D 13/40 involving fluid governors of pump type
  • G05D 13/42 involving fluid governors of flow-controller type, i.e. the width of liquid flow being controlled by fly-weights
  • G05D 13/44 involving fluid governors of jet type

Top Applicants

Top 10 applicants by patent filingsfor class G05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. FANUC JP 6,367
  2. SIEMENS DE 5,963
  3. FANUC 4,535
  4. MITSUBISHI ELECTRIC CORPORATION JP 4,201
  5. ROBERT BOSCH DE 4,010
  6. LG ELECTRONICS KR 3,802
  7. SAMSUNG ELECTRONICS COMPANY KR 3,143
  8. FORD GLOBAL TECHNOLOGIES US 2,889
  9. TOYOTA MOTOR CORPORATION 2,778
  10. OMRON CORPORATION JP 2,743