F02C 7/04
Air intakes for gas-turbine plants or jet-propulsion plants
F02C7/04 (Air intakes for gas-turbine plants or jet-propulsion plants) appears on 3,073 US grants and 3,214 published applications in this corpus.
Search patents in F02C- Granted patents
- 3,073
- Published applications
- 3,214
- Assignees
- 489
- Inventors
- 5,117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 4 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 16 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 15 | 0 |
| 1992 | 26 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 15 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 21 | 0 |
| 2000 | 26 | 0 |
| 2001 | 28 | 5 |
| 2002 | 24 | 24 |
| 2003 | 32 | 26 |
| 2004 | 28 | 32 |
| 2005 | 18 | 32 |
| 2006 | 30 | 47 |
| 2007 | 17 | 53 |
| 2008 | 29 | 71 |
| 2009 | 40 | 80 |
| 2010 | 47 | 126 |
| 2011 | 73 | 102 |
| 2012 | 80 | 81 |
| 2013 | 81 | 138 |
| 2014 | 85 | 122 |
| 2015 | 104 | 169 |
| 2016 | 102 | 251 |
| 2017 | 129 | 220 |
| 2018 | 173 | 285 |
| 2019 | 261 | 180 |
| 2020 | 251 | 260 |
| 2021 | 206 | 160 |
| 2022 | 201 | 160 |
| 2023 | 206 | 171 |
| 2024 | 195 | 151 |
| 2025 | 181 | 148 |
| 2026 | 107 | 120 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Noise reducing device having an obliquely pierced honeycomb structure6 Oct 2026US 12,753,720 B2Safran Aircraft Engines
- Inducer assembly for a turbine engine29 Sep 2026US 12,746,491 B2General Electric Company
- Nose cone with air scoop for open rotor propulsion system29 Sep 2026US 12,747,694 B2Rtx Corporation
- System and method for preventing striking of foreign objects on an aircraft engine29 Sep 2026US 12,747,695 B2
- Nose cone with debris deflection flow22 Sep 2026US 12,742,416 B1Rtx Corporation
- Air circuit for aircraft propulsion system1 Oct 2026US 2026/0298142 A1Rtx Corporation
- Gas turbine engine having cooling systems1 Oct 2026US 2026/0298143 A1General Electric Company
- Aero-acoustically dampened bleed valve24 Sep 2026US 2026/0286904 A1General Electric Company
- Accessible debris separator for high pressure turbine outside diameter fed static components17 Sep 2026US 2026/0275906 A1Rtx Corporation
- Bleed air systems for aircraft engines17 Sep 2026US 2026/0275921 A1Pratt & Whitney Canada Corp.
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
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations287US 9,562,420 B2Evolution Well Services, LLC · 2017
- Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations265US 10,378,326 B2Typhon Technology Solutions, LLC · 2019
- Supercharging system for gas turbines259US 7,065,953 B1Enhanced Turbine Output Holding, LLC · 2006
- Gas turbine inlet heating system using jet blower203US 5,560,195 AGeneral Electric Company · 1996