DIFF Subgroup
H01M 50/50 Current conducting connections for cells or batteries
Introduced: January 2021
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Current conducting connections for cells or batteries
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2021.
Child Classifications
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- H01M 50/502 Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/528 Fixed electrical connections, i.e. not intended for disconnection since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/531 Electrode connections inside a battery casing since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/569 Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364) since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/571 Methods or arrangements for affording protection against corrosion; Selection of materials therefor since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/572 Means for preventing undesired use or discharge since 2021 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