CPC Subgroup
H01M 8/04082 Arrangements for control of reactant parameters, e.g. pressure or concentration
Full Title
Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > Arrangements for control of reactant parameters, e.g. pressure or concentration
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01M 8/04089 of gaseous reactants
- H01M 8/04186 of liquid-charged or electrolyte-charged reactants
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