F05D 2240/307
Related to the tip of a rotor blade
Official title: related to the tip of a rotor blade
F05D2240/307 (Related to the tip of a rotor blade) appears on 716 US grants and 845 published applications in this corpus.
Search patents in F05D- Granted patents
- 716
- Published applications
- 845
- Assignees
- 179
- Inventors
- 1,568
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 4 |
| 2008 | 2 | 5 |
| 2009 | 3 | 6 |
| 2010 | 8 | 11 |
| 2011 | 4 | 3 |
| 2012 | 9 | 9 |
| 2013 | 8 | 26 |
| 2014 | 10 | 24 |
| 2015 | 11 | 39 |
| 2016 | 20 | 89 |
| 2017 | 34 | 82 |
| 2018 | 49 | 100 |
| 2019 | 92 | 86 |
| 2020 | 106 | 100 |
| 2021 | 88 | 67 |
| 2022 | 83 | 51 |
| 2023 | 57 | 42 |
| 2024 | 42 | 39 |
| 2025 | 45 | 28 |
| 2026 | 26 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Airfoils for gas turbine engines6 Oct 2026US 12,753,695 B2General Electric Company
- Turbine tip shroud removal feature29 Sep 2026US 12,747,667 B2Solar Turbines Incorporated
- Wear resistant coating, method of manufacture thereof and articles comprising the same11 Aug 2026US 12,703,782 B2Rtx Corporation
- Turbine engine with a blade14 Jul 2026US 12,680,455 B2General Electric Company
- Turbine blade for a gas turbine engine and method for forming same14 Jul 2026US 12,680,456 B1Rtx Corporation
- Turbine engine rotor blade with tip shelf8 Oct 2026US 2026/0309032 A1Rtx Corporation
- Impeller with converging inducer8 Oct 2026US 2026/0309161 A1Pratt & Whitney Canada Corp.
- Turbine blade and gas turbine including same17 Sep 2026US 2026/0275872 A1Doosan Enerbility Co., Ltd.
- Airfoils for gas turbine engines3 Sep 2026US 2026/0258729 A1General Electric Company
- Airfoils for gas turbine engines27 Aug 2026US 2026/0251064 A1General Electric Company
Most cited
By later US patents
- Enhanced performance fan with the use of winglets282US 6,517,315 B2Hewlett-Packard Company · 2003
- Winglet-enhanced fan164US 6,776,578 B2Hewlett-Packard Development Company, L. P. · 2004
- Blade for axial fan133US 5,437,541 A1995
- Turbine engine with an airfoil having a tip shelf outlet119US 10,436,038 B2General Electric Company · 2019
- Composite air cooled turbine rotor blade48US 8,366,392 B1Florida Turbine Technologies, Inc. · 2013