F23R 2900/03041
Effusion cooled combustion chamber walls or domes
F23R2900/03041 (Effusion cooled combustion chamber walls or domes) appears on 410 US grants and 474 published applications in this corpus.
Search patents in F23R- Granted patents
- 410
- Published applications
- 474
- Assignees
- 87
- Inventors
- 784
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 5 |
| 2004 | 2 | 6 |
| 2005 | 5 | 8 |
| 2006 | 8 | 13 |
| 2007 | 6 | 11 |
| 2008 | 3 | 6 |
| 2009 | 7 | 11 |
| 2010 | 5 | 21 |
| 2011 | 4 | 12 |
| 2012 | 8 | 16 |
| 2013 | 7 | 15 |
| 2014 | 8 | 33 |
| 2015 | 21 | 39 |
| 2016 | 26 | 64 |
| 2017 | 21 | 41 |
| 2018 | 34 | 39 |
| 2019 | 38 | 37 |
| 2020 | 64 | 28 |
| 2021 | 41 | 16 |
| 2022 | 24 | 10 |
| 2023 | 14 | 10 |
| 2024 | 9 | 11 |
| 2025 | 16 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustor assembly for a gas turbine engine29 Sep 2026US 12,747,864 B1General Electric Company
- Combustion liner having cooling holes with stepped lateral sidewalls5 May 2026US 12,618,561 B1Rtx Corporation
- Multi-tube burner system for efficient mixing of fuel and air for combustion31 Mar 2026US 12,590,698 B2Sustainable Business & Engineering Solutions GmbH
- Gas turbine engine combustor with a set of dilution passages31 Mar 2026US 12,590,702 B2General Electric Company
- Main mixer in an axial staged combustor for a gas turbine engine24 Feb 2026US 12,560,326 B2Rtx Corporation
- Differential cooling in a small combustor27 Aug 2026US 2026/0251302 A1GE Avio S. r. l.
- Combustion liner having cooling holes with stepped upstream sidewall20 Aug 2026US 2026/0243422 A1
- Gas turbine engine combustor with a set of dilution passages6 Aug 2026US 2026/0227066 A1General Electric Company
- Combustor heat shield with multiple effusion hole sizes25 Jun 2026US 2026/0177242 A1Pratt & Whitney Canada Corp.
- Cylindrical body4 Jun 2026US 2026/0153239 A1Mitsubishi Heavy Industries Aero Engines, Ltd.
Most cited
By later US patents
- Mixing ducts for a gas-turbine annular combustion chamber142US 5,839,283 AABB Research Ltd. · 1998
- Dry low oxides of nitrogen lean premix module for industrial gas turbine engines111US 6,094,916 AAllison Engine Company, Inc. · 2000
- Heat shield panels for use in a combustor for a gas turbine engine89US 7,093,439 B2United Technologies Corporation · 2006
- Low NOx emission combustion liner with circumferentially angled film cooling holes84US 6,427,446 B1Power Systems Mfg., LLC · 2002
- Thin wall combustor with backside impingement cooling79US 5,687,572 AAlliedSignal Inc. · 1997