Description
Class F23R : GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
Subclass 3/00: Continuous combustion chambers using liquid or gaseous fuel
F23R 3/00
Sub-Class
Stats
- 1,477 US PATENTS IN FORCE
- 334 US APPLICATIONS PENDING
- 55 Total Patent Owners
- 2,416 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12259133 | Cooling combustor wall boss | Feb 15, 23 | Mar 25, 25 | RTX CORPORATION |
| 12259137 | Combustor swirler to dome attachment | Oct 12, 21 | Mar 25, 25 | General Electric Company |
| 12247522 | Burner assembly, gas turbine combustor, and gas turbine | Aug 12, 22 | Mar 11, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12247738 | Convection cooling at low effusion density region of combustor panel | Jan 17, 20 | Mar 11, 25 | RTX CORPORATION |
| 12247740 | Fuel injector, combustor including the fuel injector, and gas turbine including the combustor | Jun 21, 21 | Mar 11, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12247741 | Multitube pilot injector having a split airflow for a gas turbine engine | Nov 03, 22 | Mar 11, 25 | Power Systems Mfg., LLC |
| 12240613 | Gas turbine combustion section having an integrated fuel cell assembly | Nov 10, 22 | Mar 04, 25 | General Electric Company |
| 12234744 | Flow guides for internal cooling of a CMC airfoil | Jun 17, 22 | Feb 25, 25 | RTX CORPORATION |
| 12234986 | Article and method for manufacturing an expanded combustor liner | Jul 16, 20 | Feb 25, 25 | RTX CORPORATION |
| 12234987 | Liner assembly for a combustor | Jul 11, 22 | Feb 25, 25 | General Electric Company |
| 12234988 | Fuel nozzle for hydrogen-based fuel operation | Apr 04, 24 | Feb 25, 25 | RTX CORPORATION |
| 12235186 | Method of evaluating aircraft engine components for compliance with flow requirements | Oct 01, 21 | Feb 25, 25 | PRATT & WHITNEY CANADA CORP. |
| 12228076 | Stud film cooling for double wall combustors | Jul 20, 23 | Feb 18, 25 | RTX CORPORATION |
| 12222104 | Turbine engine combustor and combustor liner | May 10, 22 | Feb 11, 25 | General Electric Company |
| 12215864 | Combustion section with a casing shielding | Oct 12, 21 | Feb 04, 25 | Siemens Energy Global GmbH & Co. KG |
| 12215865 | Thermally stable thin-film reflective coating and coating process | Apr 05, 22 | Feb 04, 25 | RTX CORPORATION |
| 12215867 | Gas turbine combustor with dynamics mitigation system | Dec 31, 23 | Feb 04, 25 | GE Infrastructure Technology, LLC |
| 12215870 | Method of operating a gas turbine combustor comprising injecting a diluent into the primary and secondary combustion zones | Dec 05, 23 | Feb 04, 25 | General Electric Company |
| 12203655 | Additively manufactured combustor with adaptive cooling passage | Dec 29, 23 | Jan 21, 25 | GE Infrastructure Technology, LLC |
| 12180120 | Rapid processing of laminar composite components | Feb 02, 22 | Dec 31, 24 | RTX CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,224 | GAS TURBINE ENGINE WITH ENTRAINED PARTICLE SEPARATORS | Oct 04, 23 | Apr 10, 25 | Not available |
| 2025/0109,854 | GAS TURBINE ENGINE | Oct 02, 24 | Apr 03, 25 | Rolls Royce plc |
| 2025/0109,853 | COMBUSTION SECTION WITH A PRIMARY COMBUSTOR AND A SET OF SECONDARY COMBUSTORS | Sep 28, 23 | Apr 03, 25 | Not available |
| 2025/0102,146 | REINFORCED FILM FLOATWALL FOR A GAS TURBINE ENGINE | Sep 22, 23 | Mar 27, 25 | Not available |
| 2025/0102,147 | COMBUSTOR OF GAS TURBINE | Dec 23, 22 | Mar 27, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0093,031 | GAS TURBINE ENGINE AND FUEL NOZZLE THEREFOR | Sep 18, 23 | Mar 20, 25 | Not available |
| 2025/0093,032 | GAS TURBINE ENGINE AND FUEL NOZZLE THEREFOR | Sep 18, 23 | Mar 20, 25 | Not available |
| 2025/0093,034 | GAS TURBINE COMBUSTOR, GAS TURBINE, AND GAS TURBINE ASSEMBLING METHOD | Mar 16, 22 | Mar 20, 25 | Not available |
| 2025/0084,993 | GAS TURBINE COMBUSTOR AND GAS TURBINE | Jan 20, 23 | Mar 13, 25 | Not available |
| 2025/0075,910 | COMBUSTION SECTION WITH A PRIMARY COMBUSTOR AND A SET OF SECONDARY COMBUSTORS | Nov 19, 24 | Mar 06, 25 | Not available |
| 2025/0067,433 | COMBUSTOR OF GAS TURBINE | Dec 23, 22 | Feb 27, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0067,434 | TILE FOR A GAS TURBINE ENGINE COMBUSTOR | Aug 14, 24 | Feb 27, 25 | Rolls Royce plc |
| 2025/0060,103 | COMBUSTOR OF GAS TURBINE | Dec 23, 22 | Feb 20, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0060,104 | COMBUSTOR PANEL AND GAS TURBINE COMBUSTOR INCLUDING SAME | Dec 22, 22 | Feb 20, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0060,105 | COMBUSTOR WITH RESONATOR FOR GAS TURBINE ENGINE | Aug 09, 24 | Feb 20, 25 | Not available |
| 2025/0052,425 | COMBUSTOR ASSEMBLY | Jul 15, 24 | Feb 13, 25 | Rolls Royce plc |
| 2025/0043,725 | INTEGRATED AUXILIARY COMPRESSORS FOR COOLING IN GAS TURBINE ENGINES | Jul 31, 23 | Feb 06, 25 | Not available |
| 2025/0027,448 | GAS TURBINE ENGINE HAVING A HEAT EXCHANGER LOCATED IN AN ANNULAR DUCT | Feb 08, 24 | Jan 23, 25 | Not available |
| 2025/0020,323 | WAVY ANNULAR DILUTION SLOTS FOR LOWER EMISSIONS | Feb 07, 24 | Jan 16, 25 | Not available |
| 2025/0012,214 | SYSTEM AND METHOD FOR HIGH EFFICIENCY POWER GENERATION USING A CARBON DIOXIDE CIRCULATING WORKING FLUID | Sep 24, 24 | Jan 09, 25 | Not available |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)