IPC Subgroup
H01H 85/041 characterised by the type
Introduced: January 1990
Last revised: January 2006
Full Title
Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive > Details > Fuses, i.e. expendable parts of the protective device, e.g. cartridges > characterised by the type
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 85/042 General constructions or structure of high voltage fuses, i.e. above 1,000 V
- H01H 85/044 General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified
- H01H 85/046 Fuses formed as printed circuits
- H01H 85/047 Vacuum fuses
- H01H 85/048 Fuse resistors
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