F02C 9/34
Joint control of separate flows to main and auxiliary burners
F02C9/34 (Joint control of separate flows to main and auxiliary burners) appears on 189 US grants and 195 published applications in this corpus.
Search patents in F02C- Granted patents
- 189
- Published applications
- 195
- Assignees
- 54
- Inventors
- 464
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 7 |
| 2008 | 0 | 3 |
| 2009 | 2 | 8 |
| 2010 | 2 | 10 |
| 2011 | 3 | 7 |
| 2012 | 6 | 12 |
| 2013 | 6 | 8 |
| 2014 | 12 | 12 |
| 2015 | 9 | 11 |
| 2016 | 10 | 17 |
| 2017 | 8 | 8 |
| 2018 | 10 | 14 |
| 2019 | 12 | 9 |
| 2020 | 9 | 6 |
| 2021 | 12 | 18 |
| 2022 | 11 | 7 |
| 2023 | 13 | 2 |
| 2024 | 8 | 13 |
| 2025 | 5 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine control device30 Jul 2026US 2026/0218664 A1Mitsubishi Heavy Industries, Ltd.
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Most cited
By later US patents
- 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
- Fuel trim method for a multiple chamber gas turbine combustion system58US 5,319,931 AGeneral Electric Company · 1994
- Exciter controlled by FADEC system57US 6,195,247 B12001