F05D 2220/32
In gas turbines
Official title: in gas turbines
F05D2220/32 (In gas turbines) appears on 10,138 US grants and 12,055 published applications in this corpus.
Search patents in F05D- Granted patents
- 10,138
- Published applications
- 12,055
- Assignees
- 646
- Inventors
- 12,804
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 12 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 4 |
| 2002 | 11 | 13 |
| 2003 | 14 | 10 |
| 2004 | 13 | 22 |
| 2005 | 14 | 26 |
| 2006 | 17 | 23 |
| 2007 | 13 | 37 |
| 2008 | 19 | 37 |
| 2009 | 25 | 51 |
| 2010 | 20 | 56 |
| 2011 | 29 | 56 |
| 2012 | 47 | 74 |
| 2013 | 39 | 137 |
| 2014 | 77 | 142 |
| 2015 | 81 | 422 |
| 2016 | 201 | 1510 |
| 2017 | 354 | 1628 |
| 2018 | 900 | 1472 |
| 2019 | 1543 | 1127 |
| 2020 | 1579 | 1197 |
| 2021 | 1105 | 1024 |
| 2022 | 1131 | 851 |
| 2023 | 1004 | 757 |
| 2024 | 857 | 574 |
| 2025 | 597 | 398 |
| 2026 | 320 | 407 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05D 2220/323For aircraft propulsionIndexing code3,325
- F05D 2220/321For a special turbine stageIndexing code671
- F05D 2220/329In helicoptersIndexing code353
- F05D 2220/327To drive shrouded, high solidity propellerIndexing code209
- F05D 2220/325To drive unshrouded, high solidity propellerIndexing code181
- F05D 2220/324To drive unshrouded, low solidity propellerIndexing code168
- F05D 2220/326To drive shrouded, low solidity propellerIndexing code73
- F05D 2220/328Providing direct vertical liftIndexing code37
Recent patents
- Aircraft with an unducted fan propulsor6 Oct 2026US 12,752,923 B2General Electric Company
- Airfoil having flex elements with compliance structure6 Oct 2026US 12,753,699 B1GE Vernova Infrastructure Technology LLC
- Stator device for disposition within a given turbine casing of a turbomachine, connection system for a turbmachine, and turbomachine6 Oct 2026US 12,753,702 B2MTU Aero Engines AG
- Bearing for turbomachine variable pitch stator vane pivot, stator vane comprising such a bearing and turbomachine comprising such stator vanes6 Oct 2026US 12,753,705 B2Safran Aircraft Engines
- Breather system for aircraft engine6 Oct 2026US 12,753,709 B1Pratt & Whitney Canada Corp.
- 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.
- Reinforcement assembly for gas turbine bearing housing8 Oct 2026US 2026/0309049 A1
- Aircraft engine with lubricant system having windmilling configuration8 Oct 2026US 2026/0309050 A1Pratt & Whitney Canada Corp.
- Aircraft engine with lubricant system having windmilling configuration8 Oct 2026US 2026/0309051 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- System for pumping hydraulic fracturing fluid using electric pumps342US 9,410,410 B2U.S. Well Services, LLC · 2016
- System for reducing vibrations in a pressure pumping fleet247US 10,119,381 B2U.S. Well Services, LLC · 2018
- Nested core gas turbine engine195US 7,219,490 B2D-Star Engineering · 2007
- Turbine engine exhaust duct system and methods for noise dampening and attenuation166US 10,961,914 B1BJ Energy Solutions, LLC Houston · 2021
- Gas turbine engine fan cooled heat exchanger161US 5,269,135 AGeneral Electric Company · 1993