CPC Subgroup Additional Only
F05C 2201/04 Heavy metals
Full Title
Metals > Heavy metals
Filing statistics
CPC F05C 2201/04 belongs to the parent subclass F05C, which recorded 4,052 patent applications worldwide between 2013 and 2023. Annual filings declined from 587 in 2013 to 150 in 2023 (-74%). The most active applicants in class F05 are GE (GENERAL ELECTRIC COMPANY) (12,002 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (8,736 applications) and SAFRAN AIRCRAFT ENGINES (6,804 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
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- F05C 2201/0403 Refractory metals, e.g. V, W
- F05C 2201/0418 Noble metals
- F05C 2201/043 Rare earth metals, e.g. Sc, Y
- F05C 2201/0433 Iron group; Ferrous alloys, e.g. steel
- F05C 2201/0469 Other heavy metals
Top Applicants
Top 10 applicants by patent filingsfor class F05, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 12,002
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
- SAFRAN AIRCRAFT ENGINES FR 6,804
- RAYTHEON TECHNOLOGIES CORPORATION US 4,530
- SIEMENS DE 4,371
- GE (GENERAL ELECTRIC COMPANY) 3,686
- ROLLS-ROYCE GB 3,594
- PRATT & WHITNEY CANADA CORPORATION CA 3,415
- VESTAS DK 3,076
- WOBBEN PROPERTIES DE 2,614