F02C 9/58
With control of a variable-pitch propeller
Official title: with control of a variable-pitch propeller
F02C9/58 (With control of a variable-pitch propeller) appears on 103 US grants and 99 published applications in this corpus.
Search patents in F02C- Granted patents
- 103
- Published applications
- 99
- Assignees
- 30
- Inventors
- 157
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 5 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 6 |
| 2018 | 0 | 9 |
| 2019 | 5 | 4 |
| 2020 | 8 | 16 |
| 2021 | 6 | 14 |
| 2022 | 13 | 7 |
| 2023 | 12 | 7 |
| 2024 | 13 | 7 |
| 2025 | 9 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of propeller electronic controller in protection from uncontrollable high thrust25 Aug 2026US 12,715,598 B1Pratt & Whitney Canada Corp.
- Independent mitigation for isolation of electric motor25 Aug 2026US 12,719,398 B2Pratt & Whitney Canada Corp.
- Control system for open rotor propulsion system with one or more sensors9 Jun 2026US 12,650,085 B1Rtx Corporation
- Disengagement for reverse propeller protection26 May 2026US 12,637,202 B2Pratt & Whitney Canada Corp.
- Turboprop erroneous blade angle reading accommodation through minimum torque governing28 Apr 2026US 12,612,153 B2Pratt & Whitney Canada Corp.
- Use of propeller electronic controller in protection from uncontrollable high thrust27 Aug 2026US 2026/0250004 A1Pratt & Whitney Canada Corp.
- Control system for open rotor propulsion system with one or more sensors11 Jun 2026US 2026/0160179 A1Rtx Corporation
- Pitch change mechanism for a fan of a gas turbine engine19 Mar 2026US 2026/0078680 A1General Electric Company
- System and method for measuring an axial position of a rotating component13 Nov 2025US 2025/0346347 A1Pratt & Whitney Canada Corp.
- Hybrid Electric Propulsion System with Start Sequence and Shutdown Sequence31 Jul 2025US 2025/0243819 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Variable cycle turbine engine65US 8,943,796 B2United Technologies Corporation · 2015
- Aircraft propeller speed control62US 4,958,289 AGeneral Electric Company · 1990
- Compressor load control for an auxiliary power unit56US 4,370,560 ASundstrand Corporation · 1983
- Single lever power controller for manned and unmanned aircraft39US 6,171,055 B2Aurora Flight Sciences Corporation · 2001
- Single lever power controller for manned and unmanned aircraft30US 6,340,289 B12002