F23R 3/425
Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes
Official title: {Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes}
F23R3/425 (Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes) appears on 48 US grants and 53 published applications in this corpus.
Search patents in F23R- Granted patents
- 48
- Published applications
- 53
- Assignees
- 23
- Inventors
- 120
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 3 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 1 |
| 2017 | 6 | 10 |
| 2018 | 6 | 6 |
| 2019 | 2 | 6 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion section with a primary combustor and a set of secondary combustors24 Feb 2026US 12,560,324 B2General Electric Company
- Combustion section with a primary combustor and a set of secondary combustors30 Sep 2025US 12,429,220 B2General Electric Company
- Turbine engine assembly including a rotating detonation combustor17 Sep 2024US 12,092,336 B2General Electric Company
- Method and device for recursive sequential combustion18 Jun 2024US 12,013,122 B2Combustion Bay One E.U.
- Gas turbine engine21 Mar 2023US 11,608,778 B2
- Combustion section with a primary combustor and a set of secondary combustors6 Mar 2025US 2025/0075910 A1General Electric Company
- Combustion section with a primary combustor and a set of secondary combustors19 Dec 2024US 2024/0418369 A1General Electric Company
- Method and device for recursive sequential combustion18 Jan 2024US 2024/0019125 A1Combustion Bay One E.U.
- Tangential turbofan propulsion system18 May 2023US 2023/0151765 A1
- Turbine engine assembly including a rotating detonation combustor24 Jun 2021US 2021/0190320 A1General Electric Company
Most cited
By later US patents
- Combustion transition duct providing stage 1 tangential turning for turbine engines44US 7,721,547 B2Siemens Energy, Inc. · 2010
- Combustion chamber of a gas turbine43US 6,192,669 B1Asea Brown Boveri AG · 2001
- Annular vortex combustor34US 5,025,622 ASol-3 Resources, Inc. · 1991
- Method of fabricating a nearwall nozzle impingement cooled component for an internal combustion engine31US 8,667,682 B2Siemens Energy, Inc. · 2014
- Support system for transition ducts27US 7,584,620 B2Siemens Energy, Inc. · 2009