F02C 7/262
Restarting after flame-out
F02C7/262 (Restarting after flame-out) appears on 143 US grants and 141 published applications in this corpus.
Search patents in F02C- Granted patents
- 143
- Published applications
- 141
- Assignees
- 67
- Inventors
- 332
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 3 | 5 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 3 | 7 |
| 2012 | 1 | 3 |
| 2013 | 4 | 8 |
| 2014 | 4 | 4 |
| 2015 | 8 | 5 |
| 2016 | 10 | 9 |
| 2017 | 1 | 11 |
| 2018 | 7 | 11 |
| 2019 | 7 | 7 |
| 2020 | 8 | 8 |
| 2021 | 8 | 6 |
| 2022 | 7 | 9 |
| 2023 | 6 | 8 |
| 2024 | 13 | 8 |
| 2025 | 7 | 11 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion apparatus for a gas turbine engine9 Jun 2026US 12,650,228 B2ROLLS-ROYCE plc
- Aircraft comprising a gas turbine engine having primary and secondary fuel-injectors19 May 2026US 12,631,149 B2ROLLS-ROYCE plc
- In-flight hybrid electric engine shutdown5 May 2026US 12,618,335 B2General Electric Company
- Methods and systems for starting hydrogen powered gas generators17 Mar 2026US 12,577,914 B2Rtx Corporation
- Multi-modal gas-turbine engine starting10 Mar 2026US 12,571,350 B2ROLLS-ROYCE plc
- Starting open rotor propulsion system during aircraft flight11 Jun 2026US 2026/0159225 A1Rtx Corporation
- Emergency start of a gas turbine engine21 May 2026US 2026/0139627 A1Rolls-Royce North American Technologies Inc.
- Gas Turbine Engine Fuel Supply System with Hydraulic Fuel Accumulator30 Apr 2026US 2026/0117703 A1Honeywell International Inc.
- Staged combustor23 Oct 2025US 2025/0327424 A1ROLLS-ROYCE plc
- Combustion apparatus for a gas turbine engine21 Aug 2025US 2025/0264062 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Air-start assembly and method100US 5,349,814 AGeneral Electric Company · 1994
- Systems and methods for starting aircraft engines92US 7,513,119 B2The Boeing Company · 2009
- Turbofan emergency generator74US 7,841,163 B2Hamilton Sundstrand Corporation · 2010
- Windmill engine starting system with fluid driven motor and pump69US 5,845,483 AGeneral Electric Company · 1998
- Method for allocating power in an electrical power system architecture53US 10,443,504 B2GE Aviation Systems LLC · 2019