F05B 2240/307
Blade tip
Official title: Blade tip, e.g. winglets
F05B2240/307 (Blade tip) appears on 98 US grants and 126 published applications in this corpus.
Search patents in F05B- Granted patents
- 98
- Published applications
- 126
- Assignees
- 58
- Inventors
- 236
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 6 |
| 2011 | 3 | 8 |
| 2012 | 4 | 10 |
| 2013 | 4 | 7 |
| 2014 | 3 | 1 |
| 2015 | 6 | 3 |
| 2016 | 3 | 11 |
| 2017 | 2 | 7 |
| 2018 | 4 | 5 |
| 2019 | 10 | 5 |
| 2020 | 7 | 8 |
| 2021 | 7 | 10 |
| 2022 | 8 | 7 |
| 2023 | 9 | 14 |
| 2024 | 15 | 6 |
| 2025 | 3 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Leading edge protection for a wind turbine blade24 Feb 2026US 12,560,146 B2Lm Wind Power A/S
- Wind turbine blade with lightning protection receptor30 Dec 2025US 12,510,057 B2Korea Electrotechnology Research Institute
- Wind turbine rotor blade with access window15 Apr 2025US 12,276,251 B2Blade Dynamics Limited
- Tip air receptor25 Mar 2025US 12,258,942 B2Blade Dynamics Limited
- Clamping of components, particularly wind turbine blade tips27 Aug 2024US 12,070,840 B2General Electric Renovables Espana, S.L.
- Method for constructing front edge protective layer for wind turbine blade, and protective layer for wind turbine blade10 Sep 2026US 2026/0265896 A1Mitsubishi Heavy Industries, Ltd.
- Blade tip clamp20 Aug 2026US 2026/0243229 A1Liftra IP Aps
- Repowered wind turbine16 Jul 2026US 2026/0201860 A1Vestas Wind Systems A/S
- Wind turbine rotor blade with an electrical heating system7 May 2026US 2026/0126028 A1Nordex Energy GmbH
- Hydraulic turbine1 Jan 2026US 2026/0002507 A1Natel Energy Holdings, Inc.
Most cited
By later US patents
- Wind turbine123US 4,297,076 ALockheed Corporation · 1981
- Rotor system for horizontal axis wind turbines60US 4,533,297 A1985
- Wind rotor automatic air brake42US 4,180,372 AGrumman Corporation · 1979
- Wind turbine with rotor blades equipped with winglets and blades for such rotor26US 7,931,444 B2Vestas Wind Systems A/S · 2011
- Windmill blade and processes related thereto25US 4,003,676 A1977