F05D 2220/36
Specially adapted for the fan of turbofan engines
Official title: specially adapted for the fan of turbofan engines
F05D2220/36 (Specially adapted for the fan of turbofan engines) appears on 1,781 US grants and 2,258 published applications in this corpus.
Search patents in F05D- Granted patents
- 1,781
- Published applications
- 2,258
- Assignees
- 140
- Inventors
- 2,320
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 4 |
| 2005 | 5 | 11 |
| 2006 | 7 | 7 |
| 2007 | 3 | 7 |
| 2008 | 4 | 12 |
| 2009 | 6 | 20 |
| 2010 | 2 | 19 |
| 2011 | 8 | 16 |
| 2012 | 17 | 35 |
| 2013 | 20 | 72 |
| 2014 | 31 | 70 |
| 2015 | 35 | 127 |
| 2016 | 44 | 252 |
| 2017 | 89 | 178 |
| 2018 | 149 | 153 |
| 2019 | 213 | 163 |
| 2020 | 201 | 242 |
| 2021 | 187 | 147 |
| 2022 | 184 | 140 |
| 2023 | 155 | 141 |
| 2024 | 166 | 142 |
| 2025 | 152 | 139 |
| 2026 | 67 | 156 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aircraft with an unducted fan propulsor6 Oct 2026US 12,752,923 B2General Electric Company
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes29 Sep 2026US 12,747,735 B2General Electric Company
- Turbofan engine having a low-pressure turbine15 Sep 2026US 12,735,987 B2MTU Aero Engines AG
- Fan exit guide vane load carrying tension member with damper15 Sep 2026US 12,735,994 B2Rtx Corporation
- Polymeric foams for hollow cavities8 Sep 2026US 12,729,627 B2Rtx Corporation
- Turbofan engine including a fan actuation system8 Oct 2026US 2026/0309036 A1General Electric Company
- Epicyclic gear reduction carrier and torque frame connection8 Oct 2026US 2026/0309093 A1Rtx Corporation
- Turbofan engine including a fan actuation system8 Oct 2026US 2026/0309162 A1General Electric Company
- Turbofan engine including a fan actuation system1 Oct 2026US 2026/0298101 A1General Electric Company
- Superconducting ultra power efficient radial fan augmented nano-aerodrive (superfan)1 Oct 2026US 2026/0298178 A1Sonic Blue Aerospace, Inc.
Most cited
By later US patents
- Geartrain coupling for a turbofan engine421US 7,021,042 B2United Technologies Corporation · 2006
- Panel damped hybrid blade116US 6,039,542 AGeneral Electric Company · 2000
- Low noise blades for axial flow compressors93US 4,012,172 AAvco Corporation · 1977
- Tip cambered swept blade84US 7,476,086 B2General Electric Company · 2009
- Electromechanical apparatus for varying blade of variable-pitch fan blades83US 5,281,094 AAlliedSignal Inc. · 1994