CPC Subgroup
C25C 3/06 of aluminium
Full Title
Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C5/00 takes precedence) > of aluminium
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C25C 3/08 Cell construction, e.g. bottoms, walls, cathodes
- C25C 3/14 Devices for feeding or crust breaking
- C25C 3/16 Electric current supply devices, e.g. bus bars
- C25C 3/18 Electrolytes
- C25C 3/20 Automatic control or regulation of cells (controlling or regulating in general G05)
- C25C 3/22 Collecting emitted gases
- C25C 3/24 Refining
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