F05D 2220/00
Application
F05D2220/00 (Application) appears on 17,688 US grants and 21,034 published applications in this corpus.
Search patents in F05D- Granted patents
- 17,688
- Published applications
- 21,034
- Assignees
- 1,716
- Inventors
- 23,041
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 12 | 0 |
| 1984 | 26 | 0 |
| 1985 | 21 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 19 | 0 |
| 1989 | 25 | 0 |
| 1990 | 14 | 0 |
| 1991 | 22 | 0 |
| 1992 | 40 | 0 |
| 1993 | 39 | 0 |
| 1994 | 31 | 0 |
| 1995 | 31 | 0 |
| 1996 | 28 | 0 |
| 1997 | 25 | 0 |
| 1998 | 27 | 0 |
| 1999 | 31 | 0 |
| 2000 | 29 | 0 |
| 2001 | 62 | 16 |
| 2002 | 63 | 61 |
| 2003 | 72 | 68 |
| 2004 | 62 | 119 |
| 2005 | 77 | 119 |
| 2006 | 99 | 142 |
| 2007 | 76 | 220 |
| 2008 | 95 | 189 |
| 2009 | 115 | 273 |
| 2010 | 129 | 355 |
| 2011 | 168 | 342 |
| 2012 | 250 | 374 |
| 2013 | 252 | 517 |
| 2014 | 326 | 522 |
| 2015 | 342 | 991 |
| 2016 | 455 | 2205 |
| 2017 | 799 | 2185 |
| 2018 | 1412 | 2107 |
| 2019 | 2218 | 1731 |
| 2020 | 2230 | 1852 |
| 2021 | 1692 | 1541 |
| 2022 | 1714 | 1343 |
| 2023 | 1513 | 1226 |
| 2024 | 1366 | 1034 |
| 2025 | 1061 | 782 |
| 2026 | 544 | 720 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05D 2220/30In turbinesIndexing code12,753
- F05D 2220/40In turbochargersIndexing code2,771
- F05D 2220/70In combination withIndexing code2,102
- F05D 2220/50Application: for auxiliary power unitsIndexing code596
- F05D 2220/60Making use of surplus or waste energyIndexing code398
- F05D 2220/80In supersonic vehicles excluding hypersonic vehicles or ram, scram or rocket propulsionIndexing code188
- F05D 2220/90In vehicles adapted for vertical or short take off and landingIndexing code125
- F05D 2220/10In ram-jet engines or ram-jet driven vehiclesIndexing code89
All 9 subgroupsShow fewer
Recent patents
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- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Turbofan engine including a fan actuation system8 Oct 2026US 2026/0309036 A1General Electric Company
- Axial pump with integrated seal8 Oct 2026US 2026/0309043 A1Pratt & Whitney Canada Corp.
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Most cited
By later US patents
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations496US 9,534,473 B2Evolution Well Services, LLC · 2017
- Geartrain coupling for a turbofan engine421US 7,021,042 B2United Technologies Corporation · 2006
- System for pumping hydraulic fracturing fluid using electric pumps342US 9,410,410 B2U.S. Well Services, LLC · 2016
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations287US 9,562,420 B2Evolution Well Services, LLC · 2017
- System for reducing vibrations in a pressure pumping fleet247US 10,119,381 B2U.S. Well Services, LLC · 2018