F02K 1/66
Using reversing fan blades
Official title: using reversing fan blades
F02K1/66 (Using reversing fan blades) appears on 73 US grants and 70 published applications in this corpus.
Search patents in F02K- Granted patents
- 73
- Published applications
- 70
- Assignees
- 20
- Inventors
- 120
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 7 |
| 2017 | 3 | 3 |
| 2018 | 4 | 4 |
| 2019 | 4 | 5 |
| 2020 | 3 | 4 |
| 2021 | 6 | 10 |
| 2022 | 7 | 7 |
| 2023 | 6 | 11 |
| 2024 | 7 | 8 |
| 2025 | 9 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protection for a circuit for controlling the orientation of propeller blades of an aircraft engine7 Jul 2026US 12,674,475 B2Safran Aircraft Engines
- Propulsion assembly for an aircraft comprising a stator vane integrated into an upstream part of a mounting pylon of reduced height10 Mar 2026US 12,570,404 B2Safran Aircraft Engines
- Method for braking an aircraft turbine engine24 Feb 2026US 12,559,248 B2Safran Aircraft Engines
- Turbomachine module equipped with variable pitch vanes and an annular interface shroud25 Nov 2025US 12,480,427 B2Safran Aircraft Engines
- Aircraft dual-flow turbine engine assembly, the assembly being equipped with incidence-controlled air discharge fins25 Nov 2025US 12,480,452 B2Safran Aircraft Engines
- Aircraft propulsion system with auxiliary flowpath system30 Jul 2026US 2026/0218655 A1Rtx Corporation
- Protection for a circuit for controlling the orientation of propeller blades of an aircraft engine15 Jan 2026US 2026/0016026 A1Safran Aircraft Engines
- Reverse thrust turbofan engine14 Aug 2025US 2025/0257699 A1General Electric Company
- Method for braking an aircraft turbine engine27 Mar 2025US 2025/0101930 A1Safran Aircraft Engines
- Turbomachine module equipped with variable pitch vanes and an annular interface shroud6 Mar 2025US 2025/0075636 A1Safran Aircraft Engines
Most cited
By later US patents
- 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
- Differentially geared reversible fan for ducted fan gas turbine engines131US 4,005,575 ARolls-Royce (1971) Limited · 1977
- Thrust reversing system for counter rotating propellers59US 5,054,998 AThe Boeing Company · 1991
- Variable pitch turbofan engine and a method for operating same40US 3,946,554 AGeneral Electric Company · 1976