F05B 2240/306
Surface measures
F05B2240/306 (Surface measures) appears on 173 US grants and 233 published applications in this corpus.
Search patents in F05B- Granted patents
- 173
- Published applications
- 233
- Assignees
- 76
- Inventors
- 339
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 8 | 13 |
| 2012 | 7 | 19 |
| 2013 | 3 | 10 |
| 2014 | 9 | 12 |
| 2015 | 8 | 21 |
| 2016 | 8 | 14 |
| 2017 | 12 | 14 |
| 2018 | 12 | 12 |
| 2019 | 13 | 12 |
| 2020 | 13 | 13 |
| 2021 | 10 | 10 |
| 2022 | 15 | 21 |
| 2023 | 12 | 15 |
| 2024 | 21 | 17 |
| 2025 | 10 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vortex generator for a wind turbine rotor blade7 Jul 2026US 12,674,436 B2Nordex Energy GmbH
- Fused rotor17 Feb 2026US 12,553,363 B2Hamilton Sundstrand Corporation
- Operating a wind turbine for wake control10 Feb 2026US 12,546,286 B2Siemens Gamesa Renewable Energy A/S
- Vortex generator tape for a wind turbine blade and method of manufacture and attachment thereof27 Jan 2026US 12,535,049 B2Lm Wind Power A/S
- Blade for a wind turbine comprising means for retaining a spoiler at a retracted position27 Jan 2026US 12,535,053 B2Siemens Gamesa Renewable Energy A/S
- Protective layer forming device and control method of protective layer forming device20 Aug 2026US 2026/0241402 A1Mitsubishi Heavy Industries, Ltd.
- Method for determining vortex-induced resonance region of wind turbine blade and anti-vortex device14 May 2026US 2026/0132766 A1Envision Energy CO.,LTD
- Anti-vortex device for a wind turbine blade and installation method thereof14 May 2026US 2026/0132767 A1Envision Energy CO.,LTD
- A wind turbine blade with a surface-mounted device12 Mar 2026US 2026/0071607 A1Lm Wind Power A/S
- Wind turbine rotor blade with multi-element airfoil (mea)27 Nov 2025US 2025/0361850 A1Gulf Wind Technology
Most cited
By later US patents
- Low drag vortex generators156US 5,058,837 A1991
- Means for maintaining attached flow of a flowing medium121US 4,455,045 A1984
- Rotor blade for a wind turbine having aerodynamic feature elements49US 7,604,461 B2General Electric Company · 2009
- Wind turbine blade and a pitch controlled wind turbine49US 8,162,590 B2Vestas Wind Systems A/S · 2012
- Pitch controlled wind turbine blade, a wind turbine and use thereof34US 7,927,070 B2Vestas Wind Systems A/S · 2011