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DIFF Subgroup
G05D 13/46

using regulating devices with proportional band and integral action, i.e. PI regulating devices

Introduced: September 1968

Title

Titles differ between systems:

IPC: using regulating devices with proportional band and integral action, i.e. P.I. regulating devices

CPC: using regulating devices with proportional band and integral action, i.e. PI regulating devices

Full Title

Full titles differ between systems:

IPC:

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 and integral action, i.e. P.I. regulating devices

CPC:

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 and integral action, i.e. PI regulating devices

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G05D 13/48 involving resilient restoring mechanisms IPC+CPC Available in IPC and CPC
  • G05D 13/50 involving connecting means or superimposing a proportional regulating device and an integral regulating device IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G05,2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS DE 4,725
  2. SGCC(STATE GRID CORPORATION OF CHINA) 4,571
  3. FANUC JP 4,233
  4. MITSUBISHI ELECTRIC CORPORATION JP 3,143
  5. FANUC 2,981
  6. ROBERT BOSCH DE 2,813
  7. CHINESE ACADEMY OF SCIENCES 2,500
  8. LG ELECTRONICS KR 2,182
  9. OMRON CORPORATION JP 2,036
  10. SAMSUNG ELECTRONICS COMPANY KR 1,981

Top Applicants (CPC)

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