F02K 1/46
Nozzles having means for adding air to the jet or for augmenting
Official title: Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence)
F02K1/46 (Nozzles having means for adding air to the jet or for augmenting) appears on 341 US grants and 355 published applications in this corpus.
Search patents in F02K- Granted patents
- 341
- Published applications
- 355
- Assignees
- 97
- Inventors
- 588
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 8 |
| 2003 | 9 | 8 |
| 2004 | 8 | 6 |
| 2005 | 3 | 17 |
| 2006 | 9 | 16 |
| 2007 | 7 | 6 |
| 2008 | 9 | 17 |
| 2009 | 10 | 16 |
| 2010 | 9 | 25 |
| 2011 | 12 | 19 |
| 2012 | 20 | 15 |
| 2013 | 18 | 16 |
| 2014 | 15 | 20 |
| 2015 | 10 | 20 |
| 2016 | 18 | 25 |
| 2017 | 12 | 12 |
| 2018 | 16 | 17 |
| 2019 | 20 | 20 |
| 2020 | 12 | 18 |
| 2021 | 18 | 6 |
| 2022 | 13 | 13 |
| 2023 | 8 | 9 |
| 2024 | 14 | 13 |
| 2025 | 3 | 8 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotorcraft with powerplant exhaust sound attenuation25 Aug 2026US 12,715,576 B2Pratt & Whitney Canada Corp.
- Aircraft engine exhaust mixer having stiffened portions for attenuating vibration9 Jun 2026US 12,650,098 B2Pratt & Whitney Canada Corp.
- 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.
- Drag recovery scheme using boundary layer ingestion31 Mar 2026US 12,590,558 B2JetZero, Inc.
- Exhaust mixer for a turbofan engine13 Aug 2026US 2026/0235091 A1Rolls-Royce Deutschland Ltd & Co KG
- Drag recovery scheme using boundary layer ingestion16 Jul 2026US 2026/0201834 A1JetZero, Inc.
- Open rotor propulsion system with forward exhaust outlet(s)2 Apr 2026US 2026/0092556 A1Rtx Corporation
- Gas turbine engine exhaust nozzle18 Dec 2025US 2025/0382066 A1Pratt & Whitney Canada Corp.
- Adaptive fluidic propulsive system4 Dec 2025US 2025/0368322 A1Jetoptera, Inc.
Most cited
By later US patents
- Arrangement for controlling fluid jets injected into a fluid stream1,018US 7,976,213 B2United Technologies Corporation · 2011
- Gas turbine mixer apparatus for suppressing engine core noise and engine fan noise137US 4,077,206 AThe Boeing Company · 1978
- Chevron exhaust nozzle for a gas turbine engine137US 6,360,528 B1General Electric Company · 2002
- Tabbed nozzle for jet noise suppression119US 6,314,721 B1United Technologies Corporation · 2001
- Stub airfoil exhaust nozzle110US 6,502,383 B1General Electric Company · 2003