Class F02C : GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
Subclass 3/10: Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C 5/00) having a turbine driving a compressor (power transmission arrangements F02C 7/36; control of working fluid flow F02C 9/16) with another turbine driving an output shaft but not driving the compressor
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12247516 | Counter-rotating gas turbine engines including turbine sections with separable torque frames | Sep 29, 22 | Mar 11, 25 | General Electric Company; GE AVIO S.r.L.; |
| 12215628 | Aircraft system with gas turbine engine powered compressor | Dec 30, 22 | Feb 04, 25 | RTX CORPORATION |
| 12146443 | Boosting gas turbine engine power with fluid motor | Mar 31, 23 | Nov 19, 24 | PRATT & WHITNEY CANADA CORP. |
| 12116928 | Aircraft engine having two radially offset turbines | Mar 16, 23 | Oct 15, 24 | PRATT & WHITNEY CANADA CORP. |
| 12116937 | Boosting gas turbine engine power with fluid motor | Mar 31, 23 | Oct 15, 24 | Pratt & Whitney Canada Corp. |
| 12060827 | Advanced 2-spool turboprop engine | Aug 18, 23 | Aug 13, 24 | Not available |
| 12055096 | Geared turbofan engine gearbox arrangement | Jan 31, 22 | Aug 06, 24 | RTX CORPORATION |
| 12044183 | Geared turbine engine with relatively lightweight propulsor module | May 16, 23 | Jul 23, 24 | RTX CORPORATION |
| 12031478 | Air bottoming cycle driven propulsor | Sep 23, 22 | Jul 09, 24 | RTX CORPORATION |
| 11971173 | Two-stage combustor for gas turbine engine | Jul 23, 21 | Apr 30, 24 | PRATT & WHITNEY CANADA CORP. |
| 11946412 | Offset cores for gas turbine engines | Sep 13, 19 | Apr 02, 24 | RTX CORPORATION |
| 11905889 | Aircraft turbomachine with reducer | Sep 19, 19 | Feb 20, 24 | SAFRAN AIRCRAFT ENGINES |
| 11905893 | Method and system for regulating a non-propulsion electrical generation turbomachine | Mar 20, 20 | Feb 20, 24 | SAFRAN HELICOPTER ENGINES |
| 11898429 | Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing | Apr 24, 23 | Feb 13, 24 | BJ Energy Solutions, LLC |
| 11859537 | Gas turbine engine | Nov 10, 20 | Jan 02, 24 | TNS TEKNOLOGI |
| 11852072 | Starter/generator | Oct 28, 21 | Dec 26, 23 | Rolls-Royce North American Technologies Inc.; Rolls-Royce Corporation; |
| 11840958 | Turbofan with offset gas generator and auxiliary power core | Aug 04, 21 | Dec 12, 23 | RTX CORPORATION |
| 11815001 | Planetary gear system arrangement with auxiliary oil system | Apr 28, 20 | Nov 14, 23 | RTX CORPORATION |
| 11808203 | Offset cores for gas turbine engines | Sep 13, 19 | Nov 07, 23 | RTX CORPORATION |
| 11802619 | Planetary gear arrangement for carrying load and elliptical pin for supporting gear | Aug 16, 22 | Oct 31, 23 | ROLLS-ROYCE DEUTSCHLAND LTD & CO KG |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,707 | AIRCRAFT PROPULSION SYSTEM WITH AUXILIARY TURBINE SYSTEM | Sep 29, 23 | Apr 03, 25 | Not available |
| 2025/0101,909 | HYBRID-ELECTRIC AIRCRAFT PROPULSION SYSTEM CONTROL SYSTEM AND METHOD | Sep 26, 23 | Mar 27, 25 | Not available |
| 2025/0092,825 | BLEED AIR DRIVEN VAPOR CYCLE SYSTEM | Sep 18, 23 | Mar 20, 25 | Rolls-Royce North American Technologies Inc. |
| 2024/0310,003 | SELF-ENERGIZED COMPRESSION STATION FOR A GAS PIPELINE | Jun 29, 22 | Sep 19, 24 | Not available |
| 2024/0133,282 | SYSTEMS AND METHODS TO OPERATE A DUAL-SHAFT GAS TURBINE ENGINE FOR HYDRAULIC FRACTURING | Jan 02, 24 | Apr 25, 24 | BJ Energy Solutions, LLC |
| 2024/0110,497 | PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM | Dec 12, 23 | Apr 04, 24 | Not available |
| 2024/0052,788 | AIRCRAFT TURBINE ENGINE ASSEMBLY COMPRISING A HOLDER FOR FITTINGS | Dec 15, 21 | Feb 15, 24 | SAFRAN AIRCRAFT ENGINES |
| 2023/0349,321 | BOTTOMING CYCLE WITH ISOLATED TURBO-GENERATORS | Apr 27, 22 | Nov 02, 23 | Not available |
| 2023/0220,800 | RECOVERED-CYCLE AIRCRAFT TURBOMACHINE | Jun 15, 21 | Jul 13, 23 | Not available |
| 2023/0167,766 | GAS TURBINES IN MECHANICAL DRIVE APPLICATIONS AND OPERATING METHODS THEREOF | Apr 23, 21 | Jun 01, 23 | Not available |
| 2022/0403,774 | GAS GENERATOR BIFURCATING EXHAUST DUCT TO FREE TURBINE | Apr 08, 22 | Dec 22, 22 | Not available |
| 2021/0254,546 | TWO-SHAFT GAS TURBINE | Jan 11, 21 | Aug 19, 21 | Not available |
| 2020/0240,327 | GAS TURBINE ENGINE WITH POWER TURBINE DRIVEN BOOST COMPRESSOR | Jan 24, 19 | Jul 30, 20 | Not available |
| 2020/0173,300 | Power System with a Coordinated Power Draw | Dec 04, 18 | Jun 04, 20 | Not available |
| 2019/0309,681 | GAS TURBINE ENGINE AND TURBINE ARRANGEMENT | Mar 13, 19 | Oct 10, 19 | Rolls Royce plc |
| 2019/0280,583 | TWO-SHAFT GAS TURBINE POWER GENERATING FACILITY AND CONTROL METHOD FOR SAME | Jul 21, 17 | Sep 12, 19 | Not available |
| 2019/0195,075 | POLYMER-COATED BLADE WITH ABRASIVE TIP | Feb 27, 19 | Jun 27, 19 | Not available |
| 2019/0153,941 | GEARED TURBOFAN ENGINE WITH INTER-SHAFT DEFLECTION FEATURE | Jan 28, 19 | May 23, 19 | Not available |
| 2018/0306,109 | INTEGRATED POWER GENERATION AND COMPRESSION TRAIN, AND METHOD | Oct 17, 16 | Oct 25, 18 | Not available |
| 2018/0209,337 | GAS TURBINE SYSTEM | Jan 26, 18 | Jul 26, 18 | Not available |
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