F03D 3/06
Rotors
F03D3/06 (Rotors) appears on 1,012 US grants and 1,220 published applications in this corpus.
Search patents in F03D- Granted patents
- 1,012
- Published applications
- 1,220
- Assignees
- 430
- Inventors
- 1,725
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 15 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 12 | 0 |
| 1981 | 19 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 3 |
| 2003 | 5 | 11 |
| 2004 | 9 | 15 |
| 2005 | 14 | 17 |
| 2006 | 10 | 15 |
| 2007 | 6 | 33 |
| 2008 | 19 | 52 |
| 2009 | 9 | 74 |
| 2010 | 26 | 94 |
| 2011 | 39 | 86 |
| 2012 | 44 | 102 |
| 2013 | 59 | 74 |
| 2014 | 44 | 73 |
| 2015 | 39 | 66 |
| 2016 | 49 | 65 |
| 2017 | 55 | 56 |
| 2018 | 38 | 55 |
| 2019 | 54 | 57 |
| 2020 | 42 | 65 |
| 2021 | 50 | 49 |
| 2022 | 44 | 30 |
| 2023 | 33 | 41 |
| 2024 | 42 | 50 |
| 2025 | 35 | 23 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotor system25 Aug 2026US 12,716,399 B1Wattmakers LLC
- Wind turbine21 Jul 2026US 12,687,151 B2
- Geographically reconfigurable wave-powered computing network14 Jul 2026US 12,680,527 B2Lone Gull Holdings, Ltd.
- Mechanical-only, multi-use, automatically retractable vertical wind turbine, using wing drag23 Jun 2026US 12,662,987 B2
- Turbine device, power apparatus and power integrated system of electric power system16 Jun 2026US 12,655,824 B2
- Power integrated system of electric power system17 Sep 2026US 2026/0275961 A1
- Rotor system27 Aug 2026US 2026/0251118 A1Wattmakers LLC
- Wind turbine rotor, wind turbine rotor module, wind panel with the wind turbine rotor module, method for manufacturing the wind turbine rotor13 Aug 2026US 2026/0235104 A1Vp System Sp Z O.O.
- Wind power generation apparatus16 Jul 2026US 2026/0201865 A1Bitmain Technologies Inc.
- Vertical axis wind turbines and methods of manufacturing the same18 Jun 2026US 2026/0168476 A1Regents of the University of Minnesota
Most cited
By later US patents
- Large vertical-axis variable-pitch wind turbine91US 6,320,273 B12001
- Wind motor rotor having substantially constant pressure and relative velocity for airflow therethrough90US 4,084,918 ATurbomachines, Inc. · 1978
- Wind turbine82US 7,040,859 B22006
- Wind driven power system79US 4,050,246 A1977
- Vertical axis wind turbine with pultruded blades73US 5,375,324 AFloWind Corporation · 1994