F01K 21/047
Having at least one combustion gas turbine
Official title: {having at least one combustion gas turbine}
F01K21/047 (Having at least one combustion gas turbine) appears on 270 US grants and 147 published applications in this corpus.
Search patents in F01K- Granted patents
- 270
- Published applications
- 147
- Assignees
- 104
- Inventors
- 383
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 21 | 7 |
| 2002 | 21 | 14 |
| 2003 | 15 | 9 |
| 2004 | 8 | 19 |
| 2005 | 11 | 8 |
| 2006 | 7 | 8 |
| 2007 | 4 | 7 |
| 2008 | 8 | 6 |
| 2009 | 3 | 10 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 5 | 3 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 4 | 2 |
| 2016 | 4 | 9 |
| 2017 | 3 | 7 |
| 2018 | 4 | 3 |
| 2019 | 5 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 1 |
| 2024 | 4 | 7 |
| 2025 | 5 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine plant with ammonia decomposition system26 Aug 2025US 12,398,663 B2Doosan Enerbility Co., Ltd.
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- Vapor generation system and apparatus11 Sep 2025US 2025/0283594 A1General Electric Company
- Steam injected turbine engine steam generation control12 Jun 2025US 2025/0188866 A1Rtx Corporation
- Turbine engine including a steam system13 Feb 2025US 2025/0052175 A1General Electric Company
- Gas turbine plant with ammonia decomposition system5 Dec 2024US 2024/0401503 A1Doosan Enerbility Co., Ltd.
Most cited
By later US patents
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- Hydrocarbon combustion power generation system with CO2 sequestration216US 7,043,920 B2Clean Energy Systems, Inc. · 2006
- Hydrocarbon combustion power generation system with CO2 sequestration209US 6,170,264 B2Clean Energy Systems, Inc. · 2001
- Self-contained energy center for producing mechanical, electrical, and heat energy199US 6,107,693 ASolo Energy Corporation · 2000
- Semi-closed Brayton cycle gas turbine power systems196US 6,910,335 B2Clean Energy Systems, Inc. · 2005