F03D 7/022
Adjusting aerodynamic properties of the blades
Official title: {Adjusting aerodynamic properties of the blades}
F03D7/022 (Adjusting aerodynamic properties of the blades) appears on 1,618 US grants and 1,890 published applications in this corpus.
Search patents in F03D- Granted patents
- 1,618
- Published applications
- 1,890
- Assignees
- 436
- Inventors
- 2,534
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 21 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 7 | 9 |
| 2004 | 8 | 25 |
| 2005 | 18 | 15 |
| 2006 | 15 | 21 |
| 2007 | 17 | 38 |
| 2008 | 21 | 43 |
| 2009 | 25 | 91 |
| 2010 | 36 | 124 |
| 2011 | 72 | 122 |
| 2012 | 103 | 139 |
| 2013 | 75 | 104 |
| 2014 | 79 | 117 |
| 2015 | 68 | 139 |
| 2016 | 80 | 80 |
| 2017 | 99 | 82 |
| 2018 | 88 | 96 |
| 2019 | 104 | 96 |
| 2020 | 96 | 109 |
| 2021 | 103 | 99 |
| 2022 | 93 | 106 |
| 2023 | 78 | 74 |
| 2024 | 100 | 73 |
| 2025 | 68 | 50 |
| 2026 | 46 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for controlling a wind turbine during a communication loss6 Oct 2026US 12,753,737 B2GE Vernova Infrastructure Technology LLC
- Control device and method of controlling a wind turbine22 Sep 2026US 12,742,438 B2Siemens Gamesa Renewable Energy A/S
- Method for detecting a blade misalignment of a rotor blade of a rotor of a wind turbine22 Sep 2026US 12,742,441 B2Wobben Properties GmbH
- Method and controller arrangement for operating a wind turbine farm15 Sep 2026US 12,736,028 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Azimuth-domain detection of an occurring rotor imbalance in a wind turbine18 Aug 2026US 12,710,027 B2Vestas Wind Systems A/S
- Wind turbine pitch and yaw control1 Oct 2026US 2026/0298199 A1Nordex Energy Spain, S.A.U.
- Wind turbine including pivotable blades and annular shroud1 Oct 2026US 2026/0298200 A1
- Operation of a wind turbine10 Sep 2026US 2026/0266260 A1GE Vernova Renovables Espana, S.L.
- Estimating velocity in a fore-aft direction of a top of a wind turbine tower based on blade flap loads10 Sep 2026US 2026/0266264 A1Vestas Wind Systems A/S
- A pitch controlled wind turbine3 Sep 2026US 2026/0258780 A1Vestas Wind Systems A/S
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Variable speed distributed drive train wind turbine system147US 7,042,110 B2Clipper Windpower Technology, Inc. · 2006
- Variable speed wind turbine generator140US 6,137,187 AZond Energy Systems, Inc. · 2000
- Speed control system for a variable speed wind turbine126US 5,289,041 AU.S. Windpower, Inc. · 1994
- Machine for converting wind energy to electrical energy126US 5,506,453 A1996