F23R 3/002
Wall structures
Official title: {Wall structures (F23R3/02 and F23R3/007 take precedence)}
F23R3/002 (Wall structures) appears on 1,994 US grants and 2,246 published applications in this corpus.
Search patents in F23R- Granted patents
- 1,994
- Published applications
- 2,246
- Assignees
- 218
- Inventors
- 2,969
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 16 | 0 |
| 2001 | 16 | 7 |
| 2002 | 19 | 12 |
| 2003 | 23 | 32 |
| 2004 | 23 | 38 |
| 2005 | 32 | 37 |
| 2006 | 32 | 26 |
| 2007 | 12 | 24 |
| 2008 | 11 | 32 |
| 2009 | 15 | 44 |
| 2010 | 25 | 50 |
| 2011 | 28 | 44 |
| 2012 | 40 | 61 |
| 2013 | 32 | 79 |
| 2014 | 45 | 118 |
| 2015 | 64 | 133 |
| 2016 | 81 | 257 |
| 2017 | 81 | 210 |
| 2018 | 128 | 211 |
| 2019 | 208 | 171 |
| 2020 | 252 | 157 |
| 2021 | 153 | 92 |
| 2022 | 126 | 76 |
| 2023 | 95 | 90 |
| 2024 | 91 | 85 |
| 2025 | 82 | 85 |
| 2026 | 73 | 75 |
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
- Gas turbine engine including hydrogen-compatible fuel-air mixer with multi-jet mixing tube6 Oct 2026US 12,753,923 B2General Electric Company
- Gas turbine engine combustor29 Sep 2026US 12,747,861 B2General Electric Company
- Dual fuel combustor for a turbine engine29 Sep 2026US 12,747,863 B2General Electric Company
- Transition duct for gas turbine engine22 Sep 2026US 12,742,396 B2Siemens Energy Global GmbH & Co. KG
- Coupling assembly for a turbine engine1 Oct 2026US 2026/0298472 A1General Electric Company
- Gas turbine engine24 Sep 2026US 2026/0287173 A1General Electric Company
- Cooling fluid control system and methods of operating a cooling fluid system for a turbine engine17 Sep 2026US 2026/0275912 A1General Electric Company
- Wall component for a combustion chamber and method for manufacturing a wall component17 Sep 2026US 2026/0276196 A1Rolls-Royce Deutschland Ltd & Co KG
- Fuel injector for a gas turbine engine17 Sep 2026US 2026/0276197 A1General Electric Company
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
- Fuel injection staged sectoral combustor for burning low-BTU fuel gas137US 4,253,301 AGeneral Electric Company · 1981
- Low emissions combustor for a gas turbine engine134US 6,810,673 B2United Technologies Corporation · 2004
- Low emissions combustor for a gas turbine engine125US 6,606,861 B2United Technologies Corporation · 2003