H01M 50/30 Arrangements for facilitating escape of gases
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Arrangements for facilitating escape of gases
Filing statistics
CPC H01M 50/30 belongs to the parent subclass H01M, which recorded 641,865 patent applications worldwide between 2013 and 2023. Annual filings grew from 33,251 in 2013 to 96,378 in 2023 (+190%). The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).
Source: EPO PATSTAT, worldwide filings
8 direct subcodes
Child Classifications
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- H01M 50/308 Detachable arrangements, e.g. detachable vent plugs or plug systems
- H01M 50/317 Re-sealable arrangements
- H01M 50/342 Non-re-sealable arrangements
- H01M 50/35 Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M 50/375 Vent means sensitive to or responsive to temperature
- H01M 50/383 Flame arresting or ignition-preventing means
- H01M 50/392 with means for neutralising or absorbing electrolyte; with means for preventing leakage of electrolyte through vent holes
Top Applicants
Top 10 applicants by patent filingsfor 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