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 33/05 Two-pole devices
- H01R 33/72 Three-pole devices
- H01R 33/74 Devices having four or more poles
- 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 33/945 Holders with built-in electrical component
- 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
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
- SAMSUNG ELECTRONICS COMPANY KR 42,206
- LG CHEM KR 21,383
- APPLIED MATERIALS US 20,441
- LG ENERGY SOLUTION KR 20,279
- SAMSUNG DISPLAY KR 19,725
- CHINESE ACADEMY OF SCIENCES 19,400
- TOYOTA MOTOR CORPORATION 18,819
- SGCC(STATE GRID CORPORATION OF CHINA) 18,082
- TOKYO ELECTRON JP 17,634