F02C 9/32
Characterised by throttling of fuel
Official title: characterised by throttling of fuel (F02C9/38 takes precedence)
F02C9/32 (Characterised by throttling of fuel) appears on 363 US grants and 330 published applications in this corpus.
Search patents in F02C- Granted patents
- 363
- Published applications
- 330
- Assignees
- 101
- Inventors
- 782
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 4 |
| 2003 | 3 | 4 |
| 2004 | 8 | 10 |
| 2005 | 4 | 9 |
| 2006 | 10 | 4 |
| 2007 | 3 | 7 |
| 2008 | 1 | 3 |
| 2009 | 2 | 10 |
| 2010 | 2 | 13 |
| 2011 | 4 | 12 |
| 2012 | 6 | 14 |
| 2013 | 12 | 11 |
| 2014 | 16 | 19 |
| 2015 | 14 | 21 |
| 2016 | 14 | 26 |
| 2017 | 14 | 18 |
| 2018 | 16 | 19 |
| 2019 | 20 | 13 |
| 2020 | 19 | 16 |
| 2021 | 19 | 26 |
| 2022 | 21 | 12 |
| 2023 | 22 | 11 |
| 2024 | 16 | 21 |
| 2025 | 13 | 15 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-stall system with a fuel cell22 Sep 2026US 12,742,425 B2General Electric Company
- Gas turbine emissions2 Jun 2026US 12,644,602 B2ROLLS-ROYCE plc
- Testing secondary power system of aircraft powerplant19 May 2026US 12,631,525 B2Pratt & Whitney Canada Corp.
- Hydrogen fuelled gas turbine engine5 May 2026US 12,618,361 B2ROLLS-ROYCE plc
- Gas turbine control device, gas turbine control method, and gas turbine control program21 Apr 2026US 12,607,148 B2Mitsubishi Heavy Industries, Ltd.
- Combustor and gas turbine3 Sep 2026US 2026/0258952 A1Mitsubishi Heavy Industries, Ltd.
- Turbo-expander overspeed protection20 Aug 2026US 2026/0243203 A1NET Power LLC
- Utilizing a combined empirical and deterministic model for automated tuning of gas turbine combustion systems6 Aug 2026US 2026/0226864 A1NAES Corporation
- Pulse modulation technique for gas turbine engines30 Jul 2026US 2026/0218663 A1Textron Innovations Inc.
- Gas turbine control device30 Jul 2026US 2026/0218664 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Method of and device for controlling fuel for gas turbine105US 7,047,747 B2Mitsubishi Heavy Industries, Ltd. · 2006
- Method of operation of gas turbine having multiple burners92US 6,725,665 B2ALSTOM Technology Ltd · 2004
- Turbine engine control system91US 5,743,079 AROLLS-ROYCE plc · 1998
- Gas turbine combustor and methodd of operating the same79US 5,121,597 AHitachi, Ltd. · 1992
- Power plant and method of operation77US 8,453,461 B2General Electric Company · 2013