F03D 1/04
Wind motors with rotation axis substantially parallel to the air flow entering
Official title: having stationary wind-guiding means, e.g. with shrouds or channels (F03D9/35 takes precedence)
F03D1/04 (Wind motors with rotation axis substantially parallel to the air flow entering) appears on 465 US grants and 715 published applications in this corpus.
Search patents in F03D- Granted patents
- 465
- Published applications
- 715
- Assignees
- 246
- Inventors
- 918
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 10 |
| 2004 | 6 | 8 |
| 2005 | 4 | 13 |
| 2006 | 5 | 14 |
| 2007 | 8 | 17 |
| 2008 | 5 | 24 |
| 2009 | 7 | 35 |
| 2010 | 19 | 79 |
| 2011 | 15 | 61 |
| 2012 | 20 | 62 |
| 2013 | 24 | 53 |
| 2014 | 35 | 49 |
| 2015 | 23 | 37 |
| 2016 | 23 | 26 |
| 2017 | 22 | 18 |
| 2018 | 24 | 26 |
| 2019 | 15 | 21 |
| 2020 | 15 | 30 |
| 2021 | 17 | 21 |
| 2022 | 22 | 26 |
| 2023 | 11 | 21 |
| 2024 | 23 | 28 |
| 2025 | 23 | 19 |
| 2026 | 5 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- No funnel propless wind turbine and retrofit method29 Sep 2026US 12,747,722 B1
- Land vehicle for transporting people and/or goods21 Jul 2026US 12,687,149 B2
- Tide- and wind-powered turbine, conversion and storage system16 Jun 2026US 12,655,826 B2
- Electric vehicle (EV) charging system with down-sun wind turbine10 Mar 2026US 12,573,851 B2Beam Global
- No funnel housing wind turbine6 Jan 2026US 12,516,659 B2
- Wind turbine including pivotable blades and annular shroud1 Oct 2026US 2026/0298200 A1
- No funnel propless wind turbine and retrofit method1 Oct 2026US 2026/0298208 A1
- Electric generating assemblies23 Jul 2026US 2026/0210330 A1
- Electric vehicle (ev) charging system with down-sun wind turbine2 Jul 2026US 2026/0189017 A1Beam Global
- Circular closed-loop turbine tunnel mechanism11 Jun 2026US 2026/0160227 A1
Most cited
By later US patents
- Wind power of hydraulic power machine with axial feed, radial outflow, and variable geometry vanes, and projectiles fitted with wind power or hydraulic power machines of this type178US 4,900,227 AThomson-Brandt Armements · 1990
- Wind turbine131US 4,140,433 A1979
- Wind turbine generator for electrical powered vehicles125US 4,314,160 A1982
- Variable stator, diffuser augmented wind turbine electrical generation system116US 4,075,500 AGrumman Aerospace Corporation · 1978
- Wind turbine107US 4,021,135 A1977