F02K 1/74
Reversing at least one flow in relation to at least one other
Official title: Reversing at least one flow in relation to at least one other flow in a plural- flow engine
F02K1/74 (Reversing at least one flow in relation to at least one other) appears on 29 US grants and 13 published applications in this corpus.
Search patents in F02K- Granted patents
- 29
- Published applications
- 13
- Assignees
- 18
- Inventors
- 56
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 4 | 1 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Aircraft dual-flow turbine engine assembly, the assembly being equipped with incidence-controlled air discharge fins25 Nov 2025US 12,480,452 B2Safran Aircraft Engines
- Hidden drag link for thrust reverser assembly4 Jul 2023US 11,692,509 B2Rohr, Inc.
- Track beam with composite lug13 Jun 2023US 11,674,540 B2Rohr, Inc.
- Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct1 Nov 2022US 11,486,335 B2Airbus Operations GmbH
- Pressure equalization in a dual flow path exhaust of a hypersonic propulsion system24 May 2022US 11,339,744 B1Rolls-Royce North American Technologies Inc.
- Aircraft dual-flow turbine engine assembly, the assembly being equipped with incidence-controlled air discharge fins21 Dec 2023US 2023/0407797 A1Safran Aircraft Engines
- Hidden drag link for thrust reverser assembly12 Jan 2023US 2023/0012009 A1Rohr, Inc.
- Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct5 May 2022US 2022/0136459 A1Airbus Operations GmbH
- Gas turbine engine with reversible heat exchanger22 Apr 2021US 2021/0115877 A1Rolls-Royce North American Technologies Inc.
- Track beam with composite lug25 Mar 2021US 2021/0088001 A1Rohr, Inc.
Most cited
By later US patents
- Mounting for gas turbine powerplant77US 4,326,682 AROLLS-ROYCE plc · 1982
- Combination primary and fan air thrust reversal control systems for long duct fan jet engines44US 4,073,440 AAeritalia S.p.A. · 1978
- Multi axis thrust vectoring for turbo fan engines43US 5,706,649 ABoeing North American, Inc. · 1998
- Thrust reverser nozzle32US 4,147,027 AGrumman Aerospace Corporation · 1979
- Gas ejection nozzle for a jet engine and a jet engine fitted with this nozzle, in particular an engine of the separate flow type22US 5,211,008 AConception Aeronautique du Sud Ouest · 1993