F01D 9/041
Using blades
Official title: {using blades (F01D5/148 takes precedence)}
F01D9/041 (Using blades) appears on 2,721 US grants and 3,154 published applications in this corpus.
Search patents in F01D- Granted patents
- 2,721
- Published applications
- 3,154
- Assignees
- 249
- Inventors
- 4,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 10 |
| 2003 | 15 | 12 |
| 2004 | 8 | 19 |
| 2005 | 16 | 21 |
| 2006 | 18 | 30 |
| 2007 | 15 | 37 |
| 2008 | 11 | 37 |
| 2009 | 24 | 49 |
| 2010 | 33 | 79 |
| 2011 | 38 | 56 |
| 2012 | 70 | 71 |
| 2013 | 51 | 92 |
| 2014 | 69 | 91 |
| 2015 | 53 | 145 |
| 2016 | 80 | 454 |
| 2017 | 134 | 358 |
| 2018 | 218 | 315 |
| 2019 | 391 | 266 |
| 2020 | 410 | 245 |
| 2021 | 230 | 146 |
| 2022 | 225 | 128 |
| 2023 | 153 | 142 |
| 2024 | 163 | 145 |
| 2025 | 149 | 111 |
| 2026 | 75 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine engine vane baffle6 Oct 2026US 12,753,698 B1Rtx Corporation
- Vane with pin mount and anti-rotation6 Oct 2026US 12,753,703 B2Rtx Corporation
- Air bleed slots for gas turbine engines6 Oct 2026US 12,753,725 B1Pratt & Whitney Canada Corp.
- Stator blade and gas turbine provided with same22 Sep 2026US 12,742,394 B2Mitsubishi Heavy Industries, Ltd.
- Sector of a turbine stator for a turbine of an aircraft turbomachine15 Sep 2026US 12,735,988 B2Safran Aircraft Engines
- Internal baffle for a gas turbine engine vane8 Oct 2026US 2026/0309033 A1Rtx Corporation
- Hot gas path segment with seal slot cooling groove8 Oct 2026US 2026/0309040 A1GE Vernova Infrastructure Technology LLC
- Turbine engine for an aircraft having an integral frame24 Sep 2026US 2026/0286863 A1General Electric Company
- Guide Vane Segment17 Sep 2026US 2026/0275876 A1MTU Aero Engines AG
- Aircraft propulsion system with air-to-working fluid heat exchanger17 Sep 2026US 2026/0275911 A1Rtx Corporation
Most cited
By later US patents
- Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors329US 6,619,030 B1General Electric Company · 2003
- Variable geometry guide vane for a gas turbine engine199US 7,632,064 B2United Technologies Corporation · 2009
- Ceramic turbine nozzle100US 6,200,092 B1General Electric Company · 2001
- Turbine vane having dedicated inner platform cooling92US 5,344,283 AUnited Technologies Corporation · 1994
- Multi-piece turbine vane assembly92US 7,452,182 B2Siemens Energy, Inc. · 2008