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CPC Main Group
H01H 53/00

Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them

6 direct subcodes

Child Classifications

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  • H01H 53/06 Magnetodynamic relays, i.e. relays in which the magnetic field is produced by a permanent magnet
  • H01H 53/08 wherein a mercury contact constitutes the current-carrying conductor
  • H01H 53/14 Contacts actuated by an electric motor through fluid-pressure transmission, e.g. using a motor-driven pump

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080