F02K 1/06
Varying effective area of jet pipe or nozzle
Official title: Varying effective area of jet pipe or nozzle (by using fluid jets to influence the jet flow F02K1/30)
F02K1/06 (Varying effective area of jet pipe or nozzle) appears on 994 US grants and 768 published applications in this corpus.
Search patents in F02K- Granted patents
- 994
- Published applications
- 768
- Assignees
- 161
- Inventors
- 1,267
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 14 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 26 | 0 |
| 1993 | 29 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 21 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 0 |
| 2002 | 13 | 9 |
| 2003 | 7 | 11 |
| 2004 | 13 | 9 |
| 2005 | 11 | 25 |
| 2006 | 13 | 19 |
| 2007 | 13 | 16 |
| 2008 | 4 | 30 |
| 2009 | 21 | 39 |
| 2010 | 22 | 57 |
| 2011 | 18 | 25 |
| 2012 | 32 | 32 |
| 2013 | 37 | 52 |
| 2014 | 36 | 38 |
| 2015 | 40 | 47 |
| 2016 | 31 | 63 |
| 2017 | 47 | 36 |
| 2018 | 46 | 38 |
| 2019 | 57 | 28 |
| 2020 | 35 | 42 |
| 2021 | 30 | 34 |
| 2022 | 51 | 26 |
| 2023 | 30 | 27 |
| 2024 | 31 | 25 |
| 2025 | 20 | 19 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Jet nozzle effective area control system for gas turbine engine8 Sep 2026US 12,729,658 B2Pratt & Whitney Canada Corp.
- Exhaust area and flow turning control1 Sep 2026US 12,722,777 B2Whisper Aero Inc.
- Aircraft powerplant exhaust section with flow diverter1 Sep 2026US 12,723,555 B2Pratt & Whitney Canada Corp.
- Aircraft component with fiber-reinforced elastic expansion section16 Jun 2026US 12,654,421 B2Rohr, Inc.
- Engine mount system for a gas turbine engine16 Jun 2026US 12,655,812 B2Rtx Corporation
- Thrust augmentation via partial core exhaust reheat1 Oct 2026US 2026/0298176 A1General Electric Company
- Variable area nozzle assembly17 Sep 2026US 2026/0275934 A1Rohr, Inc.
- Exhaust nozzle for a gas turbine engine6 Aug 2026US 2026/0226870 A1ROLLS-ROYCE plc
- Aircraft propulsion system with auxiliary flowpath system30 Jul 2026US 2026/0218655 A1Rtx Corporation
- Gas turbine engine with variable airflow inlet23 Jul 2026US 2026/0210288 A1Rtx Corporation
Most cited
By later US patents
- Variable area fan exhaust nozzle having mechanically separate sleeve and thrust reverser actuation systems474US 5,778,659 AUnited Technologies Corporation · 1998
- Variable area nozzle for gas turbine engines driven by shape memory alloy actuators396US 6,318,070 B1United Technologies Corporation · 2001
- Method and system of controlling a jet engine for avoiding engine surge341US 4,130,872 AThe United States of America as represented by the Secretary of the Air Force · 1978
- Cowling arrangement for a turbofan engine254US 3,988,889 AGeneral Electric Company · 1976
- Variable specific thrust turbofan engine152US 5,261,227 AGeneral Electric Company · 1993