this movement being effected by or in conjunction with the contact-operating mechanism

Introduced: September 1968

Title

Titles differ between systems:

IPC: this movement being effected by, or in conjunction with, the contact-operating mechanism

CPC: this movement being effected by or in conjunction with the contact-operating mechanism

Full Title

Full titles differ between systems:

IPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid > the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts > this movement being effected by, or in conjunction with, the contact-operating mechanism

CPC:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid > the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts > this movement being effected by or in conjunction with the contact-operating mechanism

CPC subdivides this area 4x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

Child Classifications

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H01H 2033/906 2nd only CPC only CPC only
H01H 2033/907 2nd only CPC only CPC only
H01H 2033/908 2nd only CPC only CPC only
H01H 33/901 +2 CPC CPC only CPC only
H01H 33/904 CPC only CPC only
H01H 33/905 CPC only CPC only
H01H 33/91 the arc-extinguishing fluid being air or gas +1 CPC −1 IPC IPC+CPC Available in IPC and CPC
H01H 33/92 the arc-extinguishing fluid being liquid, e.g. oil 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