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IPC Subgroup
H01R 39/02

Details

Introduced: September 1968

Last revised: January 2006

Full Title

Rotary current collectors, distributors or interrupters > Details

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS

14 direct subcodes

Child Classifications

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  • H01R 39/32 Connections of conductor to commutator segment
  • H01R 39/34 Connections of conductor to slip-ring
  • H01R 39/36 Connections of cable or wire to brush
  • H01R 39/42 Devices for lifting brushes
  • H01R 39/44 Devices for shifting brushes
  • H01R 39/56 Devices for lubricating or polishing slip-rings or commutators during operation of the collector
  • H01R 39/58 Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
  • H01R 39/59 Means structurally associated with the brushes for interrupting current

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634