F05B 2270/304
Spool rotational speed
F05B2270/304 (Spool rotational speed) appears on 67 US grants and 79 published applications in this corpus.
Search patents in F05B- Granted patents
- 67
- Published applications
- 79
- Assignees
- 46
- Inventors
- 182
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 3 | 5 |
| 2009 | 3 | 8 |
| 2010 | 8 | 7 |
| 2011 | 4 | 7 |
| 2012 | 6 | 6 |
| 2013 | 3 | 3 |
| 2014 | 2 | 1 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 3 | 4 |
| 2019 | 3 | 7 |
| 2020 | 5 | 0 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 5 |
| 2024 | 5 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for detecting a blade misalignment of a rotor blade of a rotor of a wind turbine22 Sep 2026US 12,742,441 B2Wobben Properties GmbH
- Wind turbine ice protection system5 Nov 2024US 12,135,015 B2FabricAir Canada Inc.
- Method for de-icing at least one rotor blade of a wind power installation8 Oct 2024US 12,110,872 B2Wobben Properties GmbH
- Condition monitoring system and wind power generation system including the same27 Aug 2024US 12,071,928 B2Ntn Corporation
- Method for operating a wind farm, wind power installation and wind farm23 Apr 2024US 11,965,483 B2Wobben Properties GmbH
- Method of determining free-flow wind speed for a wind farm3 Oct 2024US 2024/0328392 A1Ifp Energies Nouvelles
- Method for de-icing at least one rotor blade of a wind power installation4 Jan 2024US 2024/0003336 A1Wobben Properties GmbH
- Method for detecting a blade misalignment of a rotor blade of a rotor of a wind turbine5 Oct 2023US 2023/0314130 A1Wobben Properties GmbH
- Method for operating a wind farm, wind power installation and wind farm17 Aug 2023US 2023/0258155 A1Wobben Properties GmbH
- Variable speed pumping systems23 Feb 2023US 2023/0057451 A1HITACHl MITSUBISHl HYDRO CORPORATION
Most cited
By later US patents
- Controllable camber windmill blades47US 6,465,902 B1The United States of America as represented by the Secretary of the Navy · 2002
- Method, system and computer program product for nacelle wind speed correction27US 7,363,808 B2General Electric Company · 2008
- Wind power generator system and control method of the same25US 7,728,452 B2Mitsubishi Heavy Industries, Ltd. · 2010
- Method and apparatus for controlling the tip speed of a blade of a wind turbine19US 7,763,989 B2General Electric Company · 2010
- Method for operating a wind park17US 7,638,893 B22009