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IPC Subgroup
G05G 5/05

Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops

Introduced: January 1990

Last revised: January 2006

Full Title

Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member > Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops

Classification Context

Section:
PHYSICS
Class:
CONTROLLING; REGULATING
Subclass:
CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY

Top Applicants

Top 10 applicants by patent filingsfor 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