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DIFF Main Group
H01H 71/00

Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details of the protective switches or relays covered by groups

CPC: Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00

Full Title

Full titles differ between systems:

IPC:

Details of the protective switches or relays covered by groups

CPC:

Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00

Of 9 combined children, 6 exist in both systems.

3 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

Child Classifications

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  • H01H 2071/006 2nd only CPC only CPC only
  • H01H 2071/008 2nd only CPC only CPC only
  • H01H 71/06 Distinguishing marks, e.g. colour coding IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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