CPC Main Group
C25B 9/00 Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
12 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C25B 9/01 Electrolytic cells characterised by shape or form
- C25B 9/05 Pressure cells
- C25B 9/07 Common duct cells
- C25B 9/09 Fused bath cells
- C25B 9/13 Single electrolytic cells with circulation of an electrolyte
- C25B 9/17 Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B 9/30 Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
- C25B 9/40 Cells or assemblies of cells comprising electrodes made of particles; Assemblies of constructional parts thereof
- C25B 9/50 Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof
- C25B 9/60 Constructional parts of cells
- C25B 9/70 Assemblies comprising two or more cells
Top Applicants
Top 10 applicants by patent filingsfor class C25, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 1,393
- JFE STEEL JP 914
- EBARA CORPORATION JP 738
- INDUSTRIE DE NORA IT 674
- JX NIPPON MINING & METALS CORPORATION JP 652
- NIPPON STEEL CORPORATION JP 633
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 630
- ROBERT BOSCH DE 626
- SIEMENS DE 587
- ATOTECH DEUTSCHLAND DE 561