F02C 9/42
Specially adapted for the control of two or more plants simultaneously
Official title: specially adapted for the control of two or more plants simultaneously
F02C9/42 (Specially adapted for the control of two or more plants simultaneously) appears on 232 US grants and 225 published applications in this corpus.
Search patents in F02C- Granted patents
- 232
- Published applications
- 225
- Assignees
- 77
- Inventors
- 416
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 2 |
| 2004 | 5 | 3 |
| 2005 | 1 | 2 |
| 2006 | 5 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 7 |
| 2009 | 1 | 4 |
| 2010 | 3 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 4 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 8 |
| 2016 | 9 | 16 |
| 2017 | 13 | 21 |
| 2018 | 17 | 15 |
| 2019 | 14 | 6 |
| 2020 | 16 | 27 |
| 2021 | 13 | 24 |
| 2022 | 20 | 15 |
| 2023 | 26 | 22 |
| 2024 | 22 | 17 |
| 2025 | 13 | 3 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling engines of a multi-engine aircraft engine assembly29 Sep 2026US 12,747,708 B2Pratt & Whitney Canada Corp.
- Systems and methods for filling a fuel manifold of a gas turbine engine15 Sep 2026US 12,736,013 B2Pratt & Whitney Canada Corp.
- Operating aircraft propulsion system during engine-inoperative event26 May 2026US 12,637,974 B2Pratt & Whitney Canada Corp.
- Gas turbine acceleration limit biasing for premature asymmetric operating regime exits26 May 2026US 12,637,986 B2Pratt & Whitney Canada Corp.
- System and method for controlling engines of a multi-engine aircraft engine assembly19 May 2026US 12,630,299 B2Pratt & Whitney Canada Corp.
- Method and system for assisting with the piloting of a rotary wing aircraft in a fuel economy mode30 Jul 2026US 2026/0217376 A1Safran Helicopter Engines
- Pulse modulation technique for gas turbine engines30 Jul 2026US 2026/0218663 A1Textron Innovations Inc.
- Powerplant Assembly for an Aircraft16 Jul 2026US 2026/0200581 A1Pratt & Whitney Canada Corp.
- Gas turbine acceleration limit biasing for premature asymmetric operating regime exits21 May 2026US 2026/0139634 A1Pratt & Whitney Canada Corp.
- Method for reactivating a combustion engine in standby mode during an asymmetric operating mode in a multi-engine aircraft30 Apr 2026US 2026/0117711 A1Airbus Helicopters
Most cited
By later US patents
- Multi-compatible digital engine controller179US 9,429,078 B1Tucson Embedded Systems, Inc. · 2016
- Gas turbine engine overspeed prevention178US 9,689,316 B1Tucson Embedded Systems, Inc. · 2017
- Modular fuel conditioning system175US 6,901,735 B2Pipeline Controls, Inc. · 2005
- Controller assembly for simultaneously managing multiple engine/pump assemblies to perform shared work171US 10,415,557 B1Tucson Embedded Systems, Inc. · 2019
- Pump-engine controller169US 9,869,305 B1Tucson Embedded Systems, Inc. · 2018