Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G05G 5/20

by locking a quadrant, rod, or the like carried by the member

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member > for holding members in an indefinite number of positions, e.g. by a toothed quadrant > by locking a quadrant, rod, or the like carried by the member

CPC:

Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member (G05G17/00 takes precedence) > for holding members in an indefinite number of positions, e.g. by a toothed quadrant (G05G5/28 takes precedence) > by locking a quadrant, rod, or the like carried by the member

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

Child Classifications

Navigate with arrow keys, Enter to open

  • G05G 5/22 by friction IPC+CPC Available in IPC and CPC
  • G05G 5/24 by positive interengagement, e.g. by a pawl 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