F05B 2270/327
Rotor or generator speeds
F05B2270/327 (Rotor or generator speeds) appears on 437 US grants and 502 published applications in this corpus.
Search patents in F05B- Granted patents
- 437
- Published applications
- 502
- Assignees
- 156
- Inventors
- 940
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 2 | 6 |
| 2005 | 8 | 3 |
| 2006 | 5 | 4 |
| 2007 | 2 | 5 |
| 2008 | 3 | 12 |
| 2009 | 5 | 20 |
| 2010 | 16 | 25 |
| 2011 | 15 | 28 |
| 2012 | 22 | 30 |
| 2013 | 21 | 19 |
| 2014 | 21 | 15 |
| 2015 | 5 | 14 |
| 2016 | 12 | 14 |
| 2017 | 12 | 17 |
| 2018 | 17 | 29 |
| 2019 | 27 | 40 |
| 2020 | 35 | 38 |
| 2021 | 24 | 39 |
| 2022 | 38 | 50 |
| 2023 | 37 | 41 |
| 2024 | 51 | 25 |
| 2025 | 31 | 13 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling a wind turbine based on an estimated rotor azimuth29 Sep 2026US 12,747,719 B2GE Vernova Infrastructure Technology LLC
- Control arrangement of a wind power plant by releasing stored power4 Aug 2026US 12,698,754 B2Siemens Gamesa Renewable Energy A/S
- Estimating an upgraded power curve28 Jul 2026US 12,692,842 B2Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Methods and systems for thrust-based turbine wake control16 Jun 2026US 12,655,825 B2Texas Tech University System
- Method of controlling a rotor of a wind turbine to deal with the risk of blade icing16 Jun 2026US 12,655,829 B2Vestas Wind Systems A/S
- Monitoring the operation of a wind turbine8 Oct 2026US 2026/0309130 A1
- System and method for controlling a wind turbine during a communication loss27 Aug 2026US 2026/0251119 A1GE Infrastructure Technology LLC
- System and method for controlling a wind turbine during a communication loss27 Aug 2026US 2026/0251120 A1GE Infrastructure Technology LLC
- Method of controlling a wind turbine20 Aug 2026US 2026/0243226 A1Siemens Gamesa Renewable Energy A/S
- System and method for providing speed dependent grid frequency support in grid-forming inverter-based resources23 Jul 2026US 2026/0213532 A1General Electric Renovables Espana, S.L.
Most cited
By later US patents
- Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation266US 5,225,712 AU.S. Windpower, Inc. · 1993
- Variable speed wind turbine245US 5,083,039 AU.S. Windpower, Inc. · 1992
- Variable speed wind turbine generator140US 6,137,187 AZond Energy Systems, Inc. · 2000
- Wind turbine generator pitch control system102US 4,160,170 AUnited Technologies Corporation · 1979
- Multi-mode control system for wind turbines100US 4,193,005 AUnited Technologies Corporation · 1980