IPC Main Group
H01H 71/00 Details of the protective switches or relays covered by groups
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
6 direct subcodes
Child Classifications
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- H01H 71/02 Housings; Casings; Bases; Mountings
- H01H 71/04 Means for indicating condition of the switching device
- H01H 71/06 Distinguishing marks, e.g. colour coding
- H01H 71/08 Terminals; Connections
- H01H 71/1 Operating or release mechanisms
- H01H 71/74 Means for adjusting the conditions under which the device will function to provide protection
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