F02C 7/228
Dividing fuel between various burners
F02C7/228 (Dividing fuel between various burners) appears on 413 US grants and 431 published applications in this corpus.
Search patents in F02C- Granted patents
- 413
- Published applications
- 431
- Assignees
- 103
- Inventors
- 849
- Latest grant
- 11 Aug 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
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| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
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| 1985 | 3 | 0 |
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| 1987 | 1 | 0 |
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| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
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| 1994 | 8 | 0 |
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| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 5 |
| 2003 | 3 | 10 |
| 2004 | 9 | 7 |
| 2005 | 7 | 5 |
| 2006 | 5 | 7 |
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| 2019 | 25 | 15 |
| 2020 | 26 | 22 |
| 2021 | 22 | 30 |
| 2022 | 29 | 15 |
| 2023 | 24 | 18 |
| 2024 | 30 | 31 |
| 2025 | 19 | 35 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine engine and method thereof for reducing non-volatile particulate matter emissions23 Jun 2026US 12,663,155 B2ROLLS-ROYCE plc
- Combustion apparatus for a gas turbine engine9 Jun 2026US 12,650,228 B2ROLLS-ROYCE plc
- Gas turbine emissions2 Jun 2026US 12,644,602 B2ROLLS-ROYCE plc
- Engine system for an aircraft comprising means for heating dihydrogen before supplying an engine with dihydrogen20 Aug 2026US 2026/0243200 A1Airbus Operations GmbH
- Available thrust6 Aug 2026US 2026/0226862 A1ROLLS-ROYCE plc
- Gas turbine engine16 Jul 2026US 2026/0202059 A1ROLLS-ROYCE plc
- Fuel oil supply device9 Jul 2026US 2026/0194019 A1Mitsubishi Heavy Industries, Ltd.
- Lean burn combustion system2 Jul 2026US 2026/0185713 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Method of operating a combustion system for increased turndown capability115US 7,137,256 B12006
- Method of operation of gas turbine having multiple burners92US 6,725,665 B2ALSTOM Technology Ltd · 2004
- Aircraft engine fuel system87US 5,809,771 AWoodward Governor Company · 1998
- Method for reducing the production of NOX in a gas turbine85US 5,974,780 A1999
- Methods and systems for output variance and facilitation of maintenance of multiple gas turbine plants82US 8,099,942 B2General Electric Company · 2012