CPC Subgroup Additional Only
F05B 2230/31 Layer deposition
Full Title
Manufacture > with deposition of material > Layer deposition
Filing statistics
CPC F05B 2230/31 belongs to the parent subclass F05B, which recorded 70,983 patent applications worldwide between 2013 and 2023. Annual filings declined from 6,200 in 2013 to 4,349 in 2023 (-30%), peaking at 7,467 applications in 2017. 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
4 direct subcodes
Child Classifications
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- F05B 2230/311 by torch or flame spray
- F05B 2230/312 by plasma spray
- F05B 2230/313 by physical vapour deposition
- F05B 2230/314 by chemical vapour deposition
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