Electrothermal mechanisms

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of the protective switches or relays covered by groups > Operating or release mechanisms > Automatic release mechanisms with or without manual release > Electrothermal mechanisms

CPC:

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 > Electrothermal mechanisms

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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H01H 2071/147 2nd only CPC only CPC only
H01H 71/142 CPC only CPC only
H01H 71/145 CPC only CPC only
H01H 71/16 with bimetal element +5 CPC IPC+CPC Available in IPC and CPC
H01H 71/18 with expanding rod, strip, or wire IPC+CPC Available in IPC and CPC
H01H 71/20 with fusible mass +1 CPC IPC+CPC Available in IPC and CPC
H01H 71/22 with compensation for variation of ambient temperature IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

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