F03D 15/00
Transmission of mechanical power
F03D15/00 (Transmission of mechanical power) appears on 1,492 US grants and 1,795 published applications in this corpus.
Search patents in F03D- Granted patents
- 1,492
- Published applications
- 1,795
- Assignees
- 561
- Inventors
- 2,808
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 14 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 1 |
| 2002 | 10 | 9 |
| 2003 | 4 | 17 |
| 2004 | 13 | 25 |
| 2005 | 21 | 23 |
| 2006 | 20 | 26 |
| 2007 | 21 | 37 |
| 2008 | 20 | 57 |
| 2009 | 22 | 65 |
| 2010 | 38 | 120 |
| 2011 | 55 | 143 |
| 2012 | 89 | 169 |
| 2013 | 109 | 151 |
| 2014 | 110 | 103 |
| 2015 | 98 | 123 |
| 2016 | 72 | 121 |
| 2017 | 88 | 55 |
| 2018 | 72 | 61 |
| 2019 | 70 | 65 |
| 2020 | 46 | 72 |
| 2021 | 58 | 78 |
| 2022 | 79 | 80 |
| 2023 | 69 | 48 |
| 2024 | 62 | 47 |
| 2025 | 51 | 49 |
| 2026 | 30 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03D 15/10Transmission of mechanical power: using gearing not limited to rotary motion819
- F03D 15/20Gearless transmission, i.e. direct-drive232
- F03D 15/05Transmission of mechanical power: using hollow exhausting blades27
- F03D 15/207To multiple generators4
- F03D 15/205To the generator located at the tower bottom3
- F03D 15/201Transmission of mechanical power: using friction drives2
- F03D 15/202Transmission of mechanical power: using hydraulic transmission1
Recent patents
- Powertrain mounting for planetary transmission15 Sep 2026US 12,736,030 B2Flender GmbH
- Drive train mounting assembly with a torque support, and industrial transmission equipped therewith, and method for adjusting a drive train mounting assembly and use8 Sep 2026US 12,729,667 B2Flender GmbH
- Hollow wind turbine main shaft and profiling forging process and use thereof25 Aug 2026US 12,716,108 B2Zenkung Heavy Industry (Jiangsu) Co., Ltd.
- Spline toothing between ring gear and housing part25 Aug 2026US 12,716,479 B2ZF Friedrichshafen AG
- Low-speed high-torque hydrostatic powertrain28 Jul 2026US 12,692,836 B2Purdue Research Foundation
- Transmission shaft for a planetary transmission24 Sep 2026US 2026/0286938 A1Flender GmbH
- Power integrated system of electric power system17 Sep 2026US 2026/0275961 A1
- Linear darrieus vertical-axis wind power generation apparatus capable of large-scale manufacture10 Sep 2026US 2026/0266258 A1PHC Corporation
- Wind turbine gearbox and method of mounting a wind turbine gearbox10 Sep 2026US 2026/0266263 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- High capacity, shallow draft, ocean-borne wind turbine3 Sep 2026US 2026/0258786 A1Tows, Inc.
Most cited
By later US patents
- Wind turbine and a shaft for a wind turbine1,094US 8,664,792 B2Envision Energy (Denmark) ApS · 2014
- Gearbox for a wind turbine197US 7,828,682 B2Hansen Transmissions International NV · 2010
- Wind powered system for generating electricity147US 4,565,929 AThe Boeing Company · 1986
- Variable speed distributed drive train wind turbine system147US 7,042,110 B2Clipper Windpower Technology, Inc. · 2006
- Airship power turbine128US 4,166,596 A1979