CPC Main Group Additional Only
F05D 2300/00 Materials; Properties thereof
Filing statistics
CPC F05D 2300/00 belongs to the parent subclass F05D, which recorded 129,755 patent applications worldwide between 2013 and 2023. Annual filings declined from 11,710 in 2013 to 7,840 in 2023 (-33%), peaking at 14,062 applications in 2016. 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
7 direct subcodes
Child Classifications
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- F05D 2300/10 Metals, alloys or intermetallic compounds
- F05D 2300/20 Oxide or non-oxide ceramics
- F05D 2300/30 Inorganic materials other than provided for in groups F05D2300/10 - F05D2300/2291
- F05D 2300/40 Organic materials
- F05D 2300/50 Intrinsic material properties or characteristics
- F05D 2300/60 Properties or characteristics given to material by treatment or manufacturing
- F05D 2300/70 Treatment or modification of materials
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