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IPC Main Group
H01R 33/00

Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof

Introduced: September 1968

Last revised: January 2006

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

12 direct subcodes

Child Classifications

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  • H01R 33/02 Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp
  • H01R 33/72 Three-pole devices
  • H01R 33/88 adapted for simultaneous co-operation with two or more identical counterparts
  • H01R 33/9 adapted for co-operation with two or more dissimilar counterparts
  • H01R 33/92 Holders formed as intermediate parts for distributing energy in parallel through two or more counterparts at least one of which is attached to apparatus to be held
  • H01R 33/94 Holders formed as intermediate parts for linking a counter-part to a coupling part
  • H01R 33/965 Dustproof, splashproof, drip-proof, waterproof, or flameproof holders
  • H01R 33/97 Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
  • H01R 33/975 Holders with resilient means for protecting apparatus against vibrations or shocks

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