F03D 80/709
Bearing lubrication
Official title: {Bearing lubrication}
F03D80/709 (Bearing lubrication) appears on 10 US grants and 21 published applications in this corpus.
Search patents in F03D- Granted patents
- 10
- Published applications
- 21
- Assignees
- 17
- Inventors
- 67
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 7 |
| 2025 | 6 | 6 |
| 2026 | 2 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Methods for lubricating a pitch bearing of a wind turbine26 May 2026US 12,638,007 B2GE Vernova Renovables Espana, S.L.
- Wind turbine and bearing arrangement therefor12 May 2026US 12,624,729 B2Nordex Energy GmbH
- Methods and devices for independently pitching of wind turbine25 Nov 2025US 12,480,469 B2Huaneng Guangxi Clean Energy Co., Ltd.
- Wind turbine bearing and method of lubrication26 Aug 2025US 12,398,700 B2Renew Energy Maintenance, LLC
- Wind turbine planet gear shaft and planet gear structure19 Aug 2025US 12,392,327 B2Hunan SUND Technological Corporation
- Gearbox unit and wind power generation device25 Jun 2026US 2026/0177032 A1Envision Energy CO.,LTD
- Yaw-bearing grease tray28 May 2026US 2026/0146589 A1Inventus Holdings, LLC
- Lubricant retention systems28 May 2026US 2026/0146590 A1Lm Wind Power A/S
- Lubrication unit and lubrication system30 Apr 2026US 2026/0117750 A1Danhydra A/S
- Condition monitoring arrangement26 Feb 2026US 2026/0056087 A1Siemens Gamesa Renewable Energy A/S
Most cited
By later US patents