Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H01H 31/18

actuated through the movement of one or more insulators

Introduced: September 1968

Last revised: January 2006

Full Title

Air-break switches for high tension without arc-extinguishing or arc-preventing means > with bridging contact that is not electrically connected to either line contact in open position of switch > with angularly-movable bridging contact or contact-carrying member > actuated through the movement of one or more insulators

Classification Context

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

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • H01H 31/2 at least one insulator being rotatable about its own geometrical axis

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