F02K 1/64
Reversing fan flow
F02K1/64 (Reversing fan flow) appears on 1,023 US grants and 1,011 published applications in this corpus.
Search patents in F02K- Granted patents
- 1,023
- Published applications
- 1,011
- Assignees
- 113
- Inventors
- 1,119
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 20 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 9 | 2 |
| 2002 | 8 | 10 |
| 2003 | 15 | 12 |
| 2004 | 7 | 12 |
| 2005 | 9 | 11 |
| 2006 | 8 | 8 |
| 2007 | 2 | 5 |
| 2008 | 6 | 13 |
| 2009 | 5 | 18 |
| 2010 | 4 | 36 |
| 2011 | 13 | 27 |
| 2012 | 23 | 35 |
| 2013 | 20 | 52 |
| 2014 | 38 | 42 |
| 2015 | 40 | 69 |
| 2016 | 36 | 92 |
| 2017 | 65 | 79 |
| 2018 | 73 | 64 |
| 2019 | 68 | 60 |
| 2020 | 83 | 91 |
| 2021 | 72 | 53 |
| 2022 | 68 | 53 |
| 2023 | 51 | 48 |
| 2024 | 58 | 51 |
| 2025 | 60 | 34 |
| 2026 | 22 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thrust reverser with blocker door opening control device(s)29 Sep 2026US 12,747,714 B2Rohr, Inc.
- Electronic device for a measuring rake facilitating data loading25 Aug 2026US 12,716,814 B2Airbus Operations GmbH
- Thrust reverser comprising pivoting doors and a sliding rear shell ring18 Aug 2026US 12,710,019 B2Safran Nacelles
- Blocker door equipped with large cavity acoustic structure4 Aug 2026US 12,698,745 B2The Boeing Company
- Systems and methods for cooling an inner wall of a thrust reverser of an engine of an aircraft21 Jul 2026US 12,687,136 B2The Boeing Company
- Thrust reverser with sealing membrane and retention system17 Sep 2026US 2026/0275936 A1Safran Nacelles
- Control system for an aircraft propulsion unit27 Aug 2026US 2026/0250003 A1Safran Nacelles
- Thrust reverser module of a thrust reverser ring for an aircraft nacelle thrust reverser27 Aug 2026US 2026/0251105 A1Safran Nacelles
- System for supplying power to a portable battery using at least one solar panel27 Aug 2026US 2026/0254031 A1LAT Enterprises, Inc., d/b/a MediPak Energy Systems
- Thrust reverser ring for an aircraft nacelle thrust reverser and aircraft nacelle20 Aug 2026US 2026/0243216 A1Safran Nacelles
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
- Control system for variable pitch fan propulsor276US 3,932,058 AUnited Technologies Corporation · 1976
- Cowling arrangement for a turbofan engine254US 3,988,889 AGeneral Electric Company · 1976
- Variable fan exhaust area nozzle for aircraft gas turbine engine with thrust reverser143US 5,806,302 ARohr, Inc. · 1998
- Differentially geared reversible fan for ducted fan gas turbine engines131US 4,005,575 ARolls-Royce (1971) Limited · 1977