F03D 13/35
Balancing static or dynamic imbalances
F03D13/35 (Balancing static or dynamic imbalances) appears on 50 US grants and 60 published applications in this corpus.
Search patents in F03D- Granted patents
- 50
- Published applications
- 60
- Assignees
- 30
- Inventors
- 140
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 6 |
| 2013 | 2 | 3 |
| 2014 | 3 | 0 |
| 2015 | 1 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 4 |
| 2020 | 6 | 9 |
| 2021 | 4 | 4 |
| 2022 | 9 | 3 |
| 2023 | 2 | 3 |
| 2024 | 5 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating unbalanced rotor hubs and installing wind turbine rotor blades29 Jul 2025US 12,372,065 B2General Electric Renovables Espana, S.L.
- Mass balancing of wind turbines15 Apr 2025US 12,276,254 B2
- Core material for balanced rotor blade19 Nov 2024US 12,145,722 B2Sikorsky Aircraft Corporation
- Controlling flap loading on a wind turbine blade based on predicted flap loading11 Jun 2024US 12,006,916 B2Vestas Wind Systems A/S
- Wind turbine blade26 Mar 2024US 11,939,949 B2Vestas Wind Systems A/S
- Damping device, damping system, tower system and method23 Apr 2026US 2026/0110187 A1
- A method for reducing rotor imbalance in a wind turbine4 Dec 2025US 2025/0369420 A1Vestas Wind Systems A/S
- Detecting rotor imbalance in a wind turbine28 Nov 2024US 2024/0392753 A1General Electric Renovables Espana, S.L.
- Mass balancing of wind turbines17 Oct 2024US 2024/0344503 A1
- Rotating unbalanced rotor hubs and installing wind turbine rotor blades3 Oct 2024US 2024/0328394 A1General Electric Renovables Espana, S.L.
Most cited
By later US patents
- In situ balancing of wind turbines64US 5,140,856 ADynamic Rotor Balancing, Inc. · 1992
- Methods and apparatus for reduction of asymmetric rotor loads in wind turbines33US 7,118,339 B2General Electric Company · 2006
- Method and apparatus for balancing wind turbine rotors27US 5,219,454 A1993
- Methods and apparatus for balancing a rotor27US 7,437,264 B2General Electric Company · 2008
- Method and system for determining an imbalance of a wind turbine rotor26US 8,261,599 B2Rbt, LP · 2012