F01D 9/02
Nozzles
Official title: Nozzles; Nozzle boxes; Stator blades; Guide conduits {, e.g. individual nozzles (nozzle boxes F01D9/047)}
F01D9/02 (Nozzles) appears on 6,534 US grants and 7,180 published applications in this corpus.
Search patents in F01D- Granted patents
- 6,534
- Published applications
- 7,180
- Assignees
- 577
- Inventors
- 9,465
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 15 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 7 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 20 | 0 |
| 1986 | 12 | 0 |
| 1987 | 21 | 0 |
| 1988 | 15 | 0 |
| 1989 | 31 | 0 |
| 1990 | 15 | 0 |
| 1991 | 11 | 0 |
| 1992 | 19 | 0 |
| 1993 | 27 | 0 |
| 1994 | 20 | 0 |
| 1995 | 31 | 0 |
| 1996 | 27 | 0 |
| 1997 | 27 | 0 |
| 1998 | 24 | 0 |
| 1999 | 21 | 0 |
| 2000 | 27 | 0 |
| 2001 | 34 | 8 |
| 2002 | 51 | 43 |
| 2003 | 61 | 57 |
| 2004 | 47 | 73 |
| 2005 | 58 | 106 |
| 2006 | 69 | 77 |
| 2007 | 62 | 124 |
| 2008 | 46 | 117 |
| 2009 | 66 | 148 |
| 2010 | 106 | 233 |
| 2011 | 103 | 205 |
| 2012 | 199 | 245 |
| 2013 | 164 | 287 |
| 2014 | 203 | 354 |
| 2015 | 217 | 422 |
| 2016 | 230 | 815 |
| 2017 | 350 | 711 |
| 2018 | 505 | 654 |
| 2019 | 780 | 516 |
| 2020 | 756 | 534 |
| 2021 | 506 | 314 |
| 2022 | 447 | 262 |
| 2023 | 311 | 276 |
| 2024 | 312 | 242 |
| 2025 | 257 | 193 |
| 2026 | 138 | 164 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine engine vane baffle6 Oct 2026US 12,753,698 B1Rtx Corporation
- Stator device for disposition within a given turbine casing of a turbomachine, connection system for a turbmachine, and turbomachine6 Oct 2026US 12,753,702 B2MTU Aero Engines AG
- 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.
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Internal baffle for a gas turbine engine vane8 Oct 2026US 2026/0309033 A1Rtx Corporation
- Assembly for maintaining and retaining a gas turbine engine component8 Oct 2026US 2026/0309037 A1Rtx Corporation
- Assembly for maintaining and retaining a gas turbine engine component8 Oct 2026US 2026/0309039 A1Rtx Corporation
- Hot gas path segment with seal slot cooling groove8 Oct 2026US 2026/0309040 A1GE Vernova Infrastructure Technology LLC
- Turbine engine rotor shroud8 Oct 2026US 2026/0309053 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
- Floating vane turbine nozzle181US 5,630,700 AGeneral Electric Company · 1997
- Ceramic composite vane with metallic substructure159US 6,514,046 B1Siemens Westinghouse Power Corporation · 2003
- Impingement cooled transition duct153US 4,719,748 AGeneral Electric Company · 1988