F05D 2240/303
Related to the leading edge of a rotor blade
Official title: related to the leading edge of a rotor blade
F05D2240/303 (Related to the leading edge of a rotor blade) appears on 900 US grants and 1,057 published applications in this corpus.
Search patents in F05D- Granted patents
- 900
- Published applications
- 1,057
- Assignees
- 224
- Inventors
- 1,902
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 7 |
| 2006 | 2 | 7 |
| 2007 | 8 | 14 |
| 2008 | 6 | 18 |
| 2009 | 12 | 22 |
| 2010 | 19 | 28 |
| 2011 | 12 | 30 |
| 2012 | 28 | 26 |
| 2013 | 24 | 54 |
| 2014 | 36 | 38 |
| 2015 | 26 | 49 |
| 2016 | 33 | 103 |
| 2017 | 35 | 76 |
| 2018 | 52 | 86 |
| 2019 | 93 | 64 |
| 2020 | 92 | 104 |
| 2021 | 77 | 52 |
| 2022 | 77 | 55 |
| 2023 | 57 | 63 |
| 2024 | 73 | 60 |
| 2025 | 62 | 53 |
| 2026 | 23 | 42 |
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
- Axial fan assembly including an intermediate shroud6 Oct 2026US 12,753,773 B2Regal Beloit America, Inc.
- Airfoil and fluid-dynamic surface comprising such airfoil22 Sep 2026US 12,742,393 B2R.E.M. Patents S.R.L.
- Metal coupon with porous stress-relief section and component with same15 Sep 2026US 12,735,986 B2GE Infrastructure Technology LLC
- Non-occluding intravascular blood pump providing reduced hemolysis15 Sep 2026US 12,736,054 B2Procyrion, Inc.
- Method for attaching a metal reinforcement on a leading edge of a turbomachine blade8 Oct 2026US 2026/0307338 A1Safran Aerospace Composites
- Impeller with converging inducer8 Oct 2026US 2026/0309161 A1Pratt & Whitney Canada Corp.
- Variable-pitch vane for an unducted aeronautical thruster1 Oct 2026US 2026/0298260 A1Safran Aircraft Engines
- Radial turbine wheel, radial turbine, and turbocharger3 Sep 2026US 2026/0258728 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Airfoils for gas turbine engines3 Sep 2026US 2026/0258729 A1General Electric Company
Most cited
By later US patents
- Wide chord fan blade334US 5,141,400 AGeneral Electric Company · 1992
- Coolable airfoil for a gas turbine engine160US 6,099,251 AUnited Technologies Corporation · 2000
- Nanocomposite layered airfoil114US 6,341,747 B12002
- Erosion resistant surface protection106US 5,486,096 AUnited Technologies Corporation · 1996
- Foreign object damage resistant composite blade and manufacture100US 5,375,978 AGeneral Electric Company · 1994