F05D 2240/20
Rotors
F05D2240/20 (Rotors) appears on 3,981 US grants and 4,583 published applications in this corpus.
Search patents in F05D- Granted patents
- 3,981
- Published applications
- 4,583
- Assignees
- 618
- Inventors
- 6,474
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 4 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 4 |
| 2002 | 17 | 9 |
| 2003 | 10 | 15 |
| 2004 | 18 | 18 |
| 2005 | 12 | 33 |
| 2006 | 20 | 36 |
| 2007 | 24 | 48 |
| 2008 | 26 | 62 |
| 2009 | 35 | 59 |
| 2010 | 55 | 83 |
| 2011 | 44 | 80 |
| 2012 | 78 | 77 |
| 2013 | 68 | 151 |
| 2014 | 76 | 129 |
| 2015 | 93 | 180 |
| 2016 | 115 | 569 |
| 2017 | 155 | 380 |
| 2018 | 295 | 423 |
| 2019 | 472 | 423 |
| 2020 | 513 | 464 |
| 2021 | 397 | 331 |
| 2022 | 430 | 267 |
| 2023 | 293 | 238 |
| 2024 | 262 | 210 |
| 2025 | 217 | 170 |
| 2026 | 114 | 124 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft with an unducted fan propulsor6 Oct 2026US 12,752,923 B2General Electric Company
- Airfoils for gas turbine engines6 Oct 2026US 12,753,695 B2General Electric Company
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Axial fan assembly including an intermediate shroud6 Oct 2026US 12,753,773 B2Regal Beloit America, Inc.
- Turbine tip shroud removal feature29 Sep 2026US 12,747,667 B2Solar Turbines Incorporated
- Method for attaching a metal reinforcement on a leading edge of a turbomachine blade8 Oct 2026US 2026/0307338 A1Safran Aerospace Composites
- Turbine engine rotor blade with tip shelf8 Oct 2026US 2026/0309032 A1Rtx Corporation
- Turbine engine component with a cooling aperture8 Oct 2026US 2026/0309034 A1
- Turbine engine having an airfoil with a set of cooling holes8 Oct 2026US 2026/0309035 A1
- Impeller with converging inducer8 Oct 2026US 2026/0309161 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008
- Low solidity turbofan352US 7,374,403 B2General Electric Company · 2008
- Mobile, modular, electrically powered system for use in fracturing underground formations using liquid petroleum gas341US 9,140,110 B2Evolution Well Services, LLC · 2015
- Wide chord fan blade334US 5,141,400 AGeneral Electric Company · 1992
- Expandable impeller pump296US 7,927,068 B2The Penn State Research Foundation · 2011