F03D 80/703
Shaft bearings
Official title: {Shaft bearings}
F03D80/703 (Shaft bearings) appears on 32 US grants and 56 published applications in this corpus.
Search patents in F03D- Granted patents
- 32
- Published applications
- 56
- Assignees
- 27
- Inventors
- 118
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 6 |
| 2024 | 9 | 16 |
| 2025 | 12 | 12 |
| 2026 | 7 | 17 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Bearing arrangement for a rotating component of a wind turbine11 Aug 2026US 12,704,150 B2Nordex Energy GmbH
- Space-saving housing mounting14 Jul 2026US 12,680,532 B2ZF Friedrichshafen AG
- Transmission system and wind turbine generator system23 Jun 2026US 12,662,990 B2Bejing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- Gearbox for a wind turbine10 Mar 2026US 12,571,374 B2Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Fatigue-resistant load-bearing steel for wind turbine main shaft, and manufacturing method and use thereof17 Feb 2026US 12,553,098 B2Zenkung Heavy Industry (Jiangsu) Co., Ltd.
- Sealed dual bearing enclosure for a generator of a vertical axis wind turbine1 Oct 2026US 2026/0298203 A1
- Plain bearing arrangement, nacelle equipped with the plain bearing arrangement for a wind power plant, and wind power plant20 Aug 2026US 2026/0243232 A1Miba Gleitlager Austria GmbH
- Transmission system and wind generating set23 Jul 2026US 2026/0210339 A1Goldwind Science & Technology Co., Ltd.
- Roller bearing9 Jul 2026US 2026/0194048 A1Ntn Corporation
- Bearing arrangement for wind turbine main shaft2 Jul 2026US 2026/0185557 A1The Timken Company
Most cited
By later US patents
- Frictionless spinning device1US 11,686,285 B12023
- Bearing arrangement for a wind turbine and wind turbine1US 11,927,176 B2Siemens Gamesa Renewable Energy A/S · 2024
- Frictionless spinning energy device1US 11,939,963 B12024
- Method for assembling a rotor bearing of a wind turbine1US 12,098,709 B2Miba Gleitlager Austria GmbH · 2024
- Drive train assemblies for wind turbines1US 12,297,816 B2General Electric Renovables Espana, S.L. · 2025