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IPC Subgroup
H01H 5/14

by twisting of torsion members

Introduced: September 1968

Last revised: January 2006

Full Title

Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement > Energy stored by deformation of elastic members > by twisting of torsion members

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

1 direct subcode

Child Classifications

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  • H01H 5/16 with auxiliary means for temporarily holding parts until torsion member is sufficiently strained

Top Applicants

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

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634