F02K 1/386
Mixing devices in the jet pipe
Official title: {mixing devices in the jet pipe, e.g. for mixing primary and secondary flow}
F02K1/386 (Mixing devices in the jet pipe) appears on 305 US grants and 273 published applications in this corpus.
Search patents in F02K- Granted patents
- 305
- Published applications
- 273
- Assignees
- 81
- Inventors
- 551
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 4 |
| 2003 | 7 | 5 |
| 2004 | 5 | 10 |
| 2005 | 2 | 9 |
| 2006 | 7 | 13 |
| 2007 | 8 | 9 |
| 2008 | 5 | 18 |
| 2009 | 11 | 14 |
| 2010 | 8 | 18 |
| 2011 | 10 | 15 |
| 2012 | 11 | 11 |
| 2013 | 17 | 11 |
| 2014 | 9 | 11 |
| 2015 | 7 | 14 |
| 2016 | 10 | 20 |
| 2017 | 11 | 14 |
| 2018 | 11 | 13 |
| 2019 | 22 | 11 |
| 2020 | 7 | 12 |
| 2021 | 14 | 8 |
| 2022 | 12 | 11 |
| 2023 | 5 | 3 |
| 2024 | 11 | 6 |
| 2025 | 2 | 10 |
| 2026 | 9 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine exhaust nozzle noise abatement5 May 2026US 12,618,381 B2General Electric Company
- Turbine exhaust case mixer14 Apr 2026US 12,601,283 B2Pratt & Whitney Canada Corp.
- Airflow mixer assembly for a gas turbine engine24 Mar 2026US 12,584,455 B2General Electric Company
- Exhaust mixer for a turbofan engine13 Aug 2026US 2026/0235091 A1Rolls-Royce Deutschland Ltd & Co KG
- Open rotor propulsion system with exhaust mixer(s)2 Apr 2026US 2026/0091873 A1Rtx Corporation
- Gas turbine engine exhaust nozzle18 Dec 2025US 2025/0382066 A1Pratt & Whitney Canada Corp.
- Airflow mixer assembly for a gas turbine engine7 Aug 2025US 2025/0250951 A1General Electric Company
- Dissimilarly shaped aircraft nozzles with tandem mixing devices, and associated systems and methods24 Jul 2025US 2025/0236406 A1Boom Technology, Inc.
Most cited
By later US patents
- Noise suppressing exhaust mixer assembly for ducted-fan, turbojet engine140US 4,117,671 AThe Boeing Company · 1978
- Gas turbine mixer apparatus for suppressing engine core noise and engine fan noise137US 4,077,206 AThe Boeing Company · 1978
- Gas turbine mixer apparatus114US 4,165,609 AThe Boeing Company · 1979
- Gas turbine exhaust nozzle for controlled temperature flow across adjoining airfoils112US 4,066,214 AAeritalia S.p.A. · 1978
- Stub airfoil exhaust nozzle110US 6,502,383 B1General Electric Company · 2003