CPC Subgroup
H01H 71/24 Electromagnetic mechanisms
Full Title
Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 > Operating or release mechanisms > Automatic release mechanisms with or without manual release > Electromagnetic mechanisms
16 direct subcodes
Child Classifications
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- H01H 71/26 with windings acting in opposition
- H01H 71/28 with windings acting in conjunction
- H01H 71/30 having additional short-circuited winding
- H01H 71/32 having permanently magnetised part
- H01H 71/34 having two or more armatures controlled by a common winding
- H01H 71/36 frequency selective
- H01H 71/38 wherein the magnet coil also acts as arc blow-out device
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080