F03D 9/20
Wind motors characterised by the driven apparatus
Official title: Wind motors characterised by the driven apparatus (F03D9/10 takes precedence)
F03D9/20 (Wind motors characterised by the driven apparatus) appears on 3,842 US grants and 4,749 published applications in this corpus.
Search patents in F03D- Granted patents
- 3,842
- Published applications
- 4,749
- Assignees
- 1,320
- Inventors
- 6,563
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 23 | 0 |
| 1978 | 22 | 0 |
| 1979 | 21 | 0 |
| 1980 | 21 | 0 |
| 1981 | 20 | 0 |
| 1982 | 26 | 0 |
| 1983 | 21 | 0 |
| 1984 | 27 | 0 |
| 1985 | 27 | 0 |
| 1986 | 15 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 24 | 0 |
| 2001 | 24 | 7 |
| 2002 | 23 | 32 |
| 2003 | 28 | 56 |
| 2004 | 34 | 72 |
| 2005 | 50 | 67 |
| 2006 | 67 | 105 |
| 2007 | 73 | 120 |
| 2008 | 75 | 192 |
| 2009 | 80 | 186 |
| 2010 | 121 | 348 |
| 2011 | 160 | 361 |
| 2012 | 213 | 333 |
| 2013 | 219 | 315 |
| 2014 | 220 | 275 |
| 2015 | 220 | 381 |
| 2016 | 229 | 320 |
| 2017 | 254 | 220 |
| 2018 | 223 | 216 |
| 2019 | 205 | 189 |
| 2020 | 204 | 209 |
| 2021 | 163 | 186 |
| 2022 | 145 | 138 |
| 2023 | 117 | 137 |
| 2024 | 141 | 126 |
| 2025 | 115 | 89 |
| 2026 | 56 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiple blade wind turbine22 Sep 2026US 12,742,437 B2
- Wind power plant22 Sep 2026US 12,744,391 B2Vestas Wind Systems A/S
- Method and controller arrangement for operating a wind turbine farm15 Sep 2026US 12,736,028 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Powertrain mounting for planetary transmission15 Sep 2026US 12,736,030 B2Flender GmbH
- Wound rotor for wind turbine generators8 Sep 2026US 12,732,054 B2Timken Gears & Services Inc.
- Wind Power Generation Device8 Oct 2026US 2026/0309125 A1
- Coil support assembly having coil support structures joined together via respective joint structures and methods of assembling same8 Oct 2026US 2026/0311931 A1GE Vernova Renovables Espana, S.L.
- A generator for use in a wind turbine8 Oct 2026US 2026/0312460 A1Vestas Wind Systems A/S
- Sealed dual bearing enclosure for a generator of a vertical axis wind turbine1 Oct 2026US 2026/0298203 A1
- Upper hub and electric sunshade umbrella including the same17 Sep 2026US 2026/0272130 A1Linhai Zhongtian Electronic Appliance Co., Ltd
Most cited
By later US patents
- Islanding-operation prevention apparatus, and dispersed power generation apparatus and power generation system using the same282US 5,686,766 ACanon Kabushiki Kaisha · 1997
- Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation266US 5,225,712 AU.S. Windpower, Inc. · 1993
- Fluid powered electrical generator260US 4,720,640 ATurboStar, Inc. · 1988
- System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility260US 6,512,966 B2ABB AB · 2003
- Variable speed wind turbine245US 5,083,039 AU.S. Windpower, Inc. · 1992