CPC Main Group Additional Only
F05D 2220/00 Application
9 direct subcodes
Child Classifications
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- F05D 2220/10 in ram-jet engines or ram-jet driven vehicles
- F05D 2220/20 within closed fluid conduits, e.g. pipes
- F05D 2220/30 in turbines
- F05D 2220/40 in turbochargers
- F05D 2220/50 for auxiliary power units (APU's)
- F05D 2220/60 making use of surplus or waste energy
- F05D 2220/70 in combination with
- F05D 2220/80 in supersonic vehicles excluding hypersonic vehicles or ram, scram or rocket propulsion
- F05D 2220/90 in vehicles adapted for vertical or short take off and landing (v/stol vehicles)
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