DIFF Subgroup
H01R 4/24 Connections using contact members penetrating or cutting insulation or cable strands
Introduced: January 1980
Full Title
Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation > Connections using contact members penetrating or cutting insulation or cable strands
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
IPC defines codes here since 2018.
Child Classifications
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- H01R 4/2404 the contact members having teeth, prongs, pins or needles penetrating the insulation since 2018 IPC+CPC Available in IPC and CPC
- H01R 4/2416 the contact members having insulation-cutting edges, e.g. of tuning fork type since 2018 IPC+CPC Available in IPC and CPC
- H01R 4/247 the contact members penetrating the insulation being actuated by springs since 2018 IPC+CPC Available in IPC and CPC
- H01R 4/2475 the contact members penetrating the insulation being actuated by screws, nuts or bolts since 2018 IPC+CPC Available in IPC and CPC
- H01R 4/2491 the contact members penetrating the insulation being actuated by conductive cams or wedges since 2018 IPC+CPC Available in IPC and CPC
- H01R 4/2495 Insulation penetration combined with permanent deformation of the contact member, e.g. crimping since 2018 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