F01D 5/148
Blades with variable camber
Official title: {Blades with variable camber, e.g. by ejection of fluid}
F01D5/148 (Blades with variable camber) appears on 120 US grants and 105 published applications in this corpus.
Search patents in F01D- Granted patents
- 120
- Published applications
- 105
- Assignees
- 50
- Inventors
- 274
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 0 | 4 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 7 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 5 |
| 2016 | 0 | 6 |
| 2017 | 7 | 7 |
| 2018 | 5 | 3 |
| 2019 | 7 | 9 |
| 2020 | 8 | 8 |
| 2021 | 2 | 6 |
| 2022 | 9 | 3 |
| 2023 | 9 | 10 |
| 2024 | 9 | 2 |
| 2025 | 6 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Morphing airfoil9 Sep 2025US 12,409,925 B1The United States of America as represented by the Secretary of the Air Force
- Variable guide vane for aircraft propulsion system8 Jul 2025US 12,352,287 B1Rtx Corporation
- Vane assembly for open fan engine20 May 2025US 12,305,537 B2General Electric Company
- Cantilever stator vane8 Jan 2026US 2026/0009339 A1Pratt & Whitney Canada Corp.
- Vane Assembly For Open Fan Engine28 Aug 2025US 2025/0270937 A1General Electric Company
- Vane assembly for open fan engine6 Feb 2025US 2025/0043688 A1General Electric Company
- Device comprising an asymmetrical adjustable wing profile16 Jan 2025US 2025/0020101 A1
- Engine strut flow control4 Jul 2024US 2024/0218809 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Variable geometry guide vane for a gas turbine engine199US 7,632,064 B2United Technologies Corporation · 2009
- Synthetic jet actuator and applications thereof162US 5,758,823 AGeorgia Tech Research Corporation · 1998
- Synthetic jet actuators for cooling heated bodies and environments132US 6,123,145 AGeorgia Tech Research Corporation · 2000
- Micromachined synthetic jet actuators and applications thereof91US 6,457,654 B1Georgia Tech Research Corporation · 2002
- Synthetic jet actuators for modifiying the direction of fluid flows89US 5,988,522 AGeorgia Tech Research Corporation · 1999