IPC Subgroup
H01H 21/02 Details
Introduced: September 1968
Last revised: January 2006
Full Title
Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand > Details
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
5 direct subcodes
Child Classifications
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- H01H 21/04 Cases; Covers
- H01H 21/12 Bases; Stationary contacts mounted thereon
- H01H 21/14 Means for increasing contact pressure
- H01H 21/16 Adaptation for built-in fuse
- H01H 21/18 Movable parts; Contacts mounted thereon
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