F03D 80/705
Lubrication circuits
Official title: {Lubrication circuits; Lubrication delivery means}
F03D80/705 (Lubrication circuits) appears on 21 US grants and 39 published applications in this corpus.
Search patents in F03D- Granted patents
- 21
- Published applications
- 39
- Assignees
- 24
- Inventors
- 97
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 4 | 9 |
| 2025 | 7 | 12 |
| 2026 | 8 | 14 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for providing gearbox lubrication of a wind turbine during an off-grid state4 Aug 2026US 12,698,760 B2GE Vernova Infrastructure Technology LLC
- Shaft-hub connection for a transmission30 Jun 2026US 12,669,112 B2Flender GmbH
- Methods for lubricating a pitch bearing of a wind turbine26 May 2026US 12,638,007 B2GE Vernova Renovables Espana, S.L.
- Transfer of lubricant into the interior of a hollow shaft26 May 2026US 12,638,075 B2ZF Friedrichshafen AG
- Wind turbine and bearing arrangement therefor12 May 2026US 12,624,729 B2Nordex Energy GmbH
- Wind turbine lubrication system13 Aug 2026US 2026/0235113 A1Vestas Wind Systems A/S
- Gearbox unit and wind power generation device25 Jun 2026US 2026/0177032 A1Envision Energy CO.,LTD
- Control device for gearbox25 Jun 2026US 2026/0177038 A1Zf Wind Power Antwerpen N.V.
- Drivetrain for wind turbine and wind turbine11 Jun 2026US 2026/0160235 A1Envision Energy CO.,LTD
- Yaw-bearing grease tray28 May 2026US 2026/0146589 A1Inventus Holdings, LLC
Most cited
By later US patents