F01D 25/04
Antivibration arrangements
F01D25/04 (Antivibration arrangements) appears on 717 US grants and 763 published applications in this corpus.
Search patents in F01D- Granted patents
- 717
- Published applications
- 763
- Assignees
- 157
- Inventors
- 1,625
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 10 | 9 |
| 2003 | 7 | 4 |
| 2004 | 5 | 5 |
| 2005 | 3 | 12 |
| 2006 | 7 | 4 |
| 2007 | 5 | 5 |
| 2008 | 4 | 6 |
| 2009 | 6 | 15 |
| 2010 | 3 | 16 |
| 2011 | 8 | 10 |
| 2012 | 12 | 17 |
| 2013 | 16 | 38 |
| 2014 | 12 | 28 |
| 2015 | 20 | 46 |
| 2016 | 25 | 82 |
| 2017 | 40 | 58 |
| 2018 | 58 | 59 |
| 2019 | 65 | 46 |
| 2020 | 89 | 55 |
| 2021 | 55 | 43 |
| 2022 | 52 | 51 |
| 2023 | 54 | 47 |
| 2024 | 46 | 32 |
| 2025 | 45 | 44 |
| 2026 | 25 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bearing for turbomachine variable pitch stator vane pivot, stator vane comprising such a bearing and turbomachine comprising such stator vanes6 Oct 2026US 12,753,705 B2Safran Aircraft Engines
- Damper assembly29 Sep 2026US 12,747,668 B1GE Avio S. r. l.
- Fan exit guide vane load carrying tension member with damper15 Sep 2026US 12,735,994 B2Rtx Corporation
- Mistuning alternate blades in a gas turbine engine25 Aug 2026US 12,716,357 B2Pratt & Whitney Canada Corp.
- Bearing support having arcuate damper elements25 Aug 2026US 12,716,367 B1Pratt & Whitney Canada Corp.
- Damper assembly1 Oct 2026US 2026/0298100 A1GE Avio S. r. l.
- Turbine or compressor stage assembly13 Aug 2026US 2026/0235034 A1
- Aircraft propulsion system with acoustic treatment along bypass flowpath30 Jul 2026US 2026/0217378 A1Rtx Corporation
- Fan exit guide vane with load carrying tension member30 Jul 2026US 2026/0218656 A1Rtx Corporation
- Steam turbine23 Jul 2026US 2026/0210251 A1Mitsubishi Heavy Ind. Compressor Corp.
Most cited
By later US patents
- Active control of unsteady motion phenomena in turbomachinery82US 5,005,353 AROLLS-ROYCE plc · 1991
- Immersed core flow inlet between rotor blade and stator vane for an unducted fan gas turbine70US 10,399,664 B2General Electric Company · 2019
- Gas turbine shroud support apparatus64US 8,047,773 B2General Electric Company · 2011
- Turbine blade nested seal damper assembly56US 7,121,800 B2United Technologies Corporation · 2006
- Active control of unsteady motion phenomena in turbomachinery53US 4,967,550 AROLLS-ROYCE plc · 1990