F23R 2900/03044
Impingement cooled combustion chamber walls or subassemblies
F23R2900/03044 (Impingement cooled combustion chamber walls or subassemblies) appears on 608 US grants and 682 published applications in this corpus.
Search patents in F23R- Granted patents
- 608
- Published applications
- 682
- Assignees
- 90
- Inventors
- 1,010
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 5 |
| 2003 | 8 | 11 |
| 2004 | 11 | 10 |
| 2005 | 11 | 15 |
| 2006 | 11 | 7 |
| 2007 | 3 | 10 |
| 2008 | 2 | 14 |
| 2009 | 8 | 15 |
| 2010 | 10 | 34 |
| 2011 | 12 | 22 |
| 2012 | 24 | 36 |
| 2013 | 15 | 38 |
| 2014 | 27 | 48 |
| 2015 | 32 | 40 |
| 2016 | 34 | 72 |
| 2017 | 18 | 62 |
| 2018 | 44 | 48 |
| 2019 | 52 | 55 |
| 2020 | 79 | 42 |
| 2021 | 53 | 22 |
| 2022 | 39 | 21 |
| 2023 | 23 | 23 |
| 2024 | 21 | 10 |
| 2025 | 12 | 11 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustor assembly for a gas turbine engine6 Oct 2026US 12,753,921 B1General Electric Company
- Apparatus and method for mitigating airflow separation around engine combustor23 Jun 2026US 12,662,962 B2Rtx Corporation
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine23 Jun 2026US 12,663,152 B2Rtx Corporation
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine26 May 2026US 12,638,178 B2Rtx Corporation
- Interstage seal with provision for dedicated cooling flow ingress and method12 May 2026US 12,624,641 B1Rtx Corporation
- Cmc component with structure for directing cooling air flow16 Jul 2026US 2026/0201811 A1Rtx Corporation
- Combustor with additively manufactured combustor body having impingement cooling of combustion liner near aft frame16 Jul 2026US 2026/0202056 A1GE Vernova Infrastructure Technology LLC
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine2 Jul 2026US 2026/0185711 A1Rtx Corporation
- Cooling nozzle vanes of a turbine engine18 Jun 2026US 2026/0168385 A1Rtx Corporation
- Ceramic matrix composite component cover plate with heat transfer augmentation features and method11 Jun 2026US 2026/0160183 A1Rtx Corporation
Most cited
By later US patents
- Impingement cooled transition duct153US 4,719,748 AGeneral Electric Company · 1988
- Method and apparatus for cooling combustor liner and transition piece of a gas turbine139US 7,010,921 B2General Electric Company · 2006
- Enhanced impingement cooled components99US 5,353,865 AGeneral Electric Company · 1994
- Removable combustor liner for gas turbine engine combustor81US 5,435,139 AROLLS-ROYCE plc · 1995
- Cooling air recycling for gas turbine transition duct end frame and related method80US 6,412,268 B1General Electric Company · 2002