Patents-Review.com
ClassID:

139134 ⎘

F02C3/107 - CPC Classification

Classification description:

Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission

Sub-classes:
Recent Application in this class:
#1
20260132745
2026-05-14

GAS TURBINE ENGINE

 #2
20260116550
2026-04-30

GAS TURBINE ENGINE COMPRESSION SYSTEM WITH CORE COMPRESSOR PRESSURE RATIO

 #3
20260110261
2026-04-23

GAS TURBINE ENGINE BEARING AND GEARBOX ARRANGEMENT

 #4
20260071574
2026-03-12

REDUCTION GEARBOX FOR GAS TURBINE ENGINE

 #5
20260063079
2026-03-05

LOW NOISE TURBINE FOR GAS TURBINE ENGINE

 #6
20260036092
2026-02-05

GAS TURBINE ENGINE WITH CONTROLLED RETURN OF FUEL TO POWER ACCESSORIES AND RETROFITTING METHOD

 #7
20260002493
2026-01-01

ENGINE MOUNT SYSTEM FOR A GAS TURBINE ENGINE

 #8
20250389191
2025-12-25

EFFICIENT GAS TURBINE ENGINE INSTALLATION AND OPERATION

 #9
20250354522
2025-11-20

GAS TURBINE ENGINE WITH FRONT SUPPORT ARRANGEMENT

 #10
20250341175
2025-11-06

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES

 #11
20250334074
2025-10-30

GAS TURBINE ENGINE WITH FORWARD SWEPT OUTLET GUIDE VANES

 #12
20250304269
2025-10-02

GAS TURBINE ENGINE COMPRESSION SYSTEM WITH CORE COMPRESSOR PRESSURE RATIO

 #13
20250290454
2025-09-18

GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT

 #14
20250237169
2025-07-24

CONSTANT SPEED ACCESSORY GEARBOX FOR TURBINE ENGINE

 #15
20250198350
2025-06-19

GEARED GAS TURBINE ENGINE

 #16
20250188871
2025-06-12

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES

 #17
20250188845
2025-06-12

DUAL PURPOSE INTEGRATED GEAR FOR HYBRID TRAIN APPLICATION

 #18
20250154881
2025-05-15

GAS TURBINE ENGINE FRONT SECTION

 #19
20250109707
2025-04-03

AIRCRAFT PROPULSION SYSTEM WITH AUXILIARY TURBINE SYSTEM

 #20
20250084785
2025-03-13

GAS TURBINE ENGINE BEARING AND GEARBOX ARRANGEMENT

 #21
20250067211
2025-02-27

Recovered-cycle turboshaft engine

 #22
20250058887
2025-02-20

ENGINE MOUNT SYSTEM FOR A GAS TURBINE ENGINE

 #23
20250052204
2025-02-13

GAS TURBINE ENGINE WITH FRONT SUPPORT ARRANGEMENT

 #24
20250043732
2025-02-06

METHOD OF ASSEMBLY FOR GAS TURBINE FAN DRIVE GEAR SYSTEM

 #25
20250035050
2025-01-30

Geared gas turbine engine

 #26
20250003426
2025-01-02

LOW NOISE TURBINE FOR GEARED TURBOFAN ENGINE

 #27
20240410320
2024-12-12

GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT

 #28
20240401500
2024-12-05

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES

 #29
20240384682
2024-11-21

Transmission and method for control of boost spool

 #30
20240328364
2024-10-03

Boosting gas turbine engine power with fluid motor

 #31
20240317411
2024-09-26

GAS TURBINE ENGINE COMPRESSION SYSTEM WITH CORE COMPRESSOR PRESSURE RATIO

 #32
20240309803
2024-09-19

Aircraft engine having two radially offset turbines

 #33
20240240573
2024-07-18

Fan module comprising improved sealing means for a lubricant chamber

 #34
20240209776
2024-06-27

SYSTÈME PROPULSIF AÉRONAUTIQUE

 #35
20240151179
2024-05-09

COMPOUNDED TURBO POWER UNIT WITH BOOST COMBUSTOR

 #36
20240083572
2024-03-14

POWER DEVICE CAPABLE OF GENERATING GREATER PROPELLING FORCE

 #37
20240076050
2024-03-07

Engine mount system for a gas turbine engine

 #38
20240068411
2024-02-29

Gas turbine engine compressor arrangement

 #39
20240060453
2024-02-22

Selective power distribution for an aircraft propulsion system

 #40
20240035419
2024-02-01

Geared turbine engine with relatively lightweight propulsor module

 #41
20230407796
2023-12-21

Gas turbine fan drive gear system

 #42
20230383699
2023-11-30

Gas turbine engine with power density range

 #43
20230366355
2023-11-16

Gas turbine engine with front support arrangement

 #44
20230366347
2023-11-16

PORTABLE AND WEARABLE HAND-GRASP NEURO-ORTHOSIS

 #45
20230358178
2023-11-09

Reduction gearbox for gas turbine engine

 #46
20230358177
2023-11-09

Reduction gearbox for gas turbine engine

 #47
20230358165
2023-11-09

Transmission and method for control of boost spool

 #48
20230323789
2023-10-12

Gas turbine engine with third stream

 #49
20230296114
2023-09-21

Low noise turbine for geared turbofan engine

 #50
20230287834
2023-09-14

Modular multistage turbine system for gas turbine engines

 #51
20230258133
2023-08-17

Planetary gearbox for gas turbine engine

 #52
20230243310
2023-08-03

GAS TURBINE ENGINE WITH CLUTCH SYSTEM BETWEEN LOW-PRESSURE COMPRESSOR AND LOW-PRESSURE TURBINE

 #53
20230242264
2023-08-03

Gas turbine engine compression system with core compressor pressure ratio

 #54
20230235715
2023-07-27

GEARED ARCHITECTURE FOR HIGH SPEED AND SMALL VOLUME FAN DRIVE TURBINE

 #55
20230193830
2023-06-22

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES

 #56
20230193818
2023-06-22

Gas turbine engine bearing and gearbox arrangement

 #57
20230182909
2023-06-15

Aircraft hybrid propulsion fan drive gear system dc motors and generators

 #58
20230167752
2023-06-01

Gas turbine engine with high speed low pressure turbine section and bearing support features

 #59
20230160338
2023-05-25

Geared turbofan engine with targeted modular efficiency

 #60
20230160337
2023-05-25

Geared turbofan engine with a high ratio of thrust to turbine volume

 #61
20230145716
2023-05-11

Aircraft turbomachine

 #62
20230121939
2023-04-20

STRADDLE MOUNTED LOW PRESSURE COMPRESSOR

 #63
20230056477
2023-02-23

Power device capable of generating greater propelling force

 #64
20230042974
2023-02-09

Gas turbine engine front section

 #65
20230003169
2023-01-05

Assembly for retaining a gear train in a turbomachine

 #66
20220403799
2022-12-22

Aircraft and direct drive engine under wing installation

 #67
20220403788
2022-12-22

Gas turbine engine with power density range

 #68
20220403743
2022-12-22

Efficient gas turbine engine installation and operation

 #69
20220307448
2022-09-29

EFFICIENT GAS TURBINE ENGINE

 #70
20220268203
2022-08-25

Geared turbofan engine with targeted modular efficiency

 #71
20220260022
2022-08-18

Method of assembly for gas turbine fan drive gear system

 #72
20220243682
2022-08-04

Thrust efficient gas turbine engine

 #73
20220235699
2022-07-28

Planetary gearbox for gas turbine engine

 #74
20220220899
2022-07-14

Low noise turbine for geared gas turbine engine

 #75
20220178273
2022-06-09

Curvilinear coupling for aircraft turbomachinery

 #76
20220154643
2022-05-19

Geared turbofan engine gearbox arrangement

 #77
20220136460
2022-05-05

Turbine engine system utilizing an augmented combustion module

 #78
20220120343
2022-04-21

Planetary gear and gas turbine engine

 #79
20220120215
2022-04-21

Gas turbine engine having electric motor for applying power to a spool shaft and method for operating same

 #80
20220119120
2022-04-21

Gas turbine engine compression system with core compressor pressure ratio

 #81
20220106912
2022-04-07

Geared turbine engine with relatively lightweight propulsor module

 #82
20220082065
2022-03-17

Geared gas turbine engine arrangement with core split power ratio

 #83
20220074352
2022-03-10

Turbine section of gas turbine engine

 #84
20220074351
2022-03-10

Gas turbine engine with non-epicyclic gear reduction system

 #85
20220056847
2022-02-24

EXTERNAL MIXING CHAMBER FOR A GAS TURBINE ENGINE WITH COOLED TURBINE COOLING AIR

 #86
20220042460
2022-02-10

Aircraft turbomachine with reducer

 #87
20220034263
2022-02-03

Geared turbofan with integral front support and carrier

 #88
20220010735
2022-01-13

Double-flow turbojet engine assembly with epicycloidal or planetary gearbox

 #89
20220010732
2022-01-13

Low noise turbine for geared gas turbine engine

 #90
20210381442
2021-12-09

Fundamental gear system architecture

 #91
20210381431
2021-12-09

Splitter and guide vane arrangement for gas turbine engines

 #92
20210372349
2021-12-02

Engine mount system for a gas turbine engine

 #93
20210372323
2021-12-02

Geared gas turbine engine with reduced fan noise

 #94
20210355866
2021-11-18

Geared turbofan arrangement with core split power ratio

 #95
20210355829
2021-11-18

Safety apparatus

 #96
20210348556
2021-11-11

Geared turbofan engine with a high ratio of thrust to turbine volume

 #97
20210339880
2021-11-04

Aircraft hybrid propulsion fan drive gear system DC motors and generators

 #98
20210310421
2021-10-07

Fan drive gear system

 #99
20210310408
2021-10-07

Gas turbine engine with efficient thrust generation

 #100
20210301765
2021-09-30

Geared architecture for high speed and small volume fan drive turbine

 #101
20210301764
2021-09-30

GAS TURBINE ENGINE

 #102
20210301763
2021-09-30

GAS TURBINE ENGINE

 #103
20210301731
2021-09-30

Turbine section of high bypass turbofan

 #104
20210301730
2021-09-30

Turbine section of high bypass turbofan

 #105
20210301719
2021-09-30

High pressure ratio gas turbine engine

 #106
20210301718
2021-09-30

High pressure ratio gas turbine engine

 #107
20210293154
2021-09-23

Turbofan engine front section

 #108
20210239051
2021-08-05

Casing

 #109
20210231058
2021-07-29

Gas turbine engine with clutch system between low-pressure compressor and low-pressure turbine

 #110
20210215120
2021-07-15

Gas turbine engine bifurcation located fan variable area nozzle

 #111
20210215101
2021-07-15

METHOD FOR SETTING A GEAR RATIO OF A FAN DRIVE GEAR SYSTEM OF A GAS TURBINE ENGINE

 #112
20210207533
2021-07-08

LUBRICATION SYSTEM FOR GAS TURBINE ENGINES

 #113
20210207483
2021-07-08

Efficient gas turbine engine installation and operation

 #114
20210172378
2021-06-10

Geared gas turbine engine

 #115
20210164350
2021-06-03

Shaft assembly for an aircraft turbomachine

 #116
20210156313
2021-05-27

Gas turbine

 #117
20210140372
2021-05-13

Gas turbine engine having electric motor applying power to the high pressure spool shaft and method for operating same

 #118
20210071587
2021-03-11

Turbine section of high bypass turbofan

 #119
20210062763
2021-03-04

Gas turbine engine variable area fan nozzle control

 #120
20210062725
2021-03-04

Gas turbine engine compressor arrangement

 #121
20210062724
2021-03-04

Geared turbofan engine with power density range

 #122
20210040898
2021-02-11

Turbine section of high bypass turbofan

 #123
20210010426
2021-01-14

GEAR REDUCTION FOR LOWER THRUST GEARED TURBOFAN

 #124
20210010418
2021-01-14

Geared turbofan engine with targeted modular efficiency

 #125
20200400075
2020-12-24

Low noise turbine for geared gas turbine engine

 #126
20200400071
2020-12-24

Geared turbofan engine gearbox arrangement

 #127
20200391323
2020-12-17

Joining method

 #128
20200391322
2020-12-17

Joining method

 #129
20200386167
2020-12-10

Geared turbofan with non-epicyclic gear reduction system

 #130
20200386154
2020-12-10

Geared gas turbine engine with reduced fan noise

 #131
20200378312
2020-12-03

Geared turbine engine with relatively lightweight propulsor module

 #132
20200355123
2020-11-12

Method of assembly for gas turbine fan drive gear system

 #133
20200355122
2020-11-12

Systems and methods for transferring mechanical power in a turbine engine

 #134
20200300174
2020-09-24

POWER TRAIN ARCHITECTURES WITH LOW-LOSS LUBRICANT BEARINGS AND LOW-DENSITY MATERIALS

 #135
20200291860
2020-09-17

Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters

 #136
20200291859
2020-09-17

Low noise turbine for geared gas turbine engine

 #137
20200291785
2020-09-17

Efficient gas turbine engine installation and operation

 #138
20200290743
2020-09-17

Gas turbine engine compression system

 #139
20200284270
2020-09-10

LOW NOISE TURBINE FOR GEARED TURBOFAN ENGINE

 #140
20200284222
2020-09-10

Gas turbine engine with low stage count low pressure turbine and engine mounting arrangement

 #141
20200271060
2020-08-27

VARIABLE CYCLE FAN FOR MINIMIZING NOISE

 #142
20200263635
2020-08-20

LOW FAN NOISE GEARED GAS TURBINE ENGINE

 #143
20200217274
2020-07-09

Thrust efficient turbofan engine

 #144
20200207466
2020-07-02

Automobile engine

 #145
20200200082
2020-06-25

Gear assembly for a turbo machine

 #146
20200191052
2020-06-18

Turbofan engine bearing and gearbox arrangement

 #147
20200182159
2020-06-11

Planetary gear system for turbomachine

 #148
20200109684
2020-04-09

Geared turbofan arrangement with core split power ratio

 #149
20200095929
2020-03-26

HIGH THRUST GEARED GAS TURBINE ENGINE

 #150
20200088106
2020-03-19

Multi-directional gearbox deflection limiter for a gas turbine engine

 #151
20200080516
2020-03-12

Gas turbine engine and method of creating classes of same

 #152
20200080476
2020-03-12

SPILT COMPRESSOR SYSTEM ON MULTI-SPOOL ENGINE

 #153
20200049104
2020-02-13

EFFICIENT GAS TURBINE ENGINE

 #154
20200049077
2020-02-13

Gas turbine engine with high speed low pressure turbine section and bearing support features

 #155
20200049064
2020-02-13

Gas turbine engine with efficient thrust generation

 #156
20200049024
2020-02-13

Labyrinth sealing system and gas turbine engine with a labyrinth sealing system

 #157
20200025101
2020-01-23

Geared turbofan with integral front support and carrier

 #158
20200025069
2020-01-23

Geared turbofan arrangement with core split power ratio

 #159
20200025068
2020-01-23

Geared architecture gas turbine engine with oil scavenge

 #160
20200025067
2020-01-23

Gas turbine engine configured for modular assembly/disassembly and method for same

 #161
20200023982
2020-01-23

Aircraft hybrid propulsion fan drive gear system DC motors and generators

 #162
20200003290
2020-01-02

Magnetic torque metering system

 #163
20200003129
2020-01-02

GAS TURBINE

 #164
20200003127
2020-01-02

Gas turbine

 #165
20190376595
2019-12-12

Planetary gear and gas turbine engine

 #166
20190353098
2019-11-21

Geared turbofan engine with targeted modular efficiency

 #167
20190309688
2019-10-10

Casing

 #168
20190271269
2019-09-05

Elongated geared turbofan with high bypass ratio

 #169
20190271236
2019-09-05

Fluid collection gutter for a geared turbine engine

 #170
20190195140
2019-06-27

Fundamental gear system architecture

 #171
20190178085
2019-06-13

Gas turbine engine

 #172
20190170012
2019-06-06

Method and device for connecting fan rotor to low pressure turbine rotor

 #173
20190170004
2019-06-06

Fluid collection gutter for a geared turbine engine

 #174
20190153960
2019-05-23

Geared turbofan engine with power density range

 #175
20190153941
2019-05-23

GEARED TURBOFAN ENGINE WITH INTER-SHAFT DEFLECTION FEATURE

 #176
20190153938
2019-05-23

Gas turbine blower/pump

 #177
20190153891
2019-05-23

THREE SPOOL TURBOFAN ENGINE WITH LOW NOISE INTERMEDIATE TURBINE ROTOR

 #178
20190145416
2019-05-16

Multi-stage compressor with turbine section for fuel cell system

 #179
20190136958
2019-05-09

Systems and methods for a gas turbine engine with combined multi-directional gearbox deflection limiters and dampers

 #180
20190128182
2019-05-02

Turbofan engine bearing and gearbox arrangement

 #181
20190128181
2019-05-02

Gas turbine engine including a dual-speed split compressor

 #182
20190120084
2019-04-25

Gas turbine engine with high speed low pressure turbine section and bearing support features

 #183
20190113234
2019-04-18

Gas turbine engine with selective flow path

 #184
20190107058
2019-04-11

Geared turbine engine with relatively lightweight propulsor module

 #185
20190107047
2019-04-11

Geared turbofan engine with a high ratio of thrust to turbine volume

 #186
20190093553
2019-03-28

REVERSE-FLOW CORE GAS TURBINE ENGINE WITH A PULSE DETONATION SYSTEM

 #187
20190085774
2019-03-21

Method of operating an engine assembly

 #188
20190085771
2019-03-21

Method of providing turbine engines with different thrust ratings

 #189
20190085766
2019-03-21

Counter rotating turbine with reversing speed reduction assembly

 #190
20190085721
2019-03-21

Turbomachine with alternatingly spaced turbine rotor blades

 #191
20190085715
2019-03-21

Turbomachine with alternatingly spaced turbine rotor blades

 #192
20190063314
2019-02-28

Active system generating destructive acoustic interference for an aircraft engine with multiple fan spools

 #193
20190048826
2019-02-14

Gas turbine engine with optimized fan, core passage inlet, and compressor forward stage diameter ratios

 #194
20190048803
2019-02-14

Turbine section of high bypass turbofan

 #195
20190032571
2019-01-31

Spline ring for a fan drive gear flexible support

 #196
20190024610
2019-01-24

GEARED TURBOFAN GAS TURBINE ENGINE ARCHITECTURE

 #197
20190024584
2019-01-24

Reverse core gear turbofan

 #198
20190024581
2019-01-24

Geared gas turbine engine with reduced fan noise

 #199
20190024580
2019-01-24

Combined power generation system comprising a fuel cell and a gas turbine engine

 #200
20190017446
2019-01-17

Turbine section of high bypass turbofan

 #201
20190017445
2019-01-17

Turbine section of high bypass turbofan

 #202
20190017410
2019-01-17

Gas turbine engine with gearbox health features

 #203
20190017382
2019-01-17

Counter rotating power turbine with reduction gearbox

 #204
20190010896
2019-01-10

Low fan noise turbojet

 #205
20190003422
2019-01-03

Gas turbine engine variable area fan nozzle control

 #206
20180372005
2018-12-27

Gas turbine engine geared compressor with first and second input rotors

 #207
20180363489
2018-12-20

GEARED TURBOFAN WITH INTEGRALLY BLADED ROTOR

 #208
20180355749
2018-12-13

Distributed fan lubrication system

 #209
20180320633
2018-11-08

Aircraft and direct drive engine under wing installation

 #210
20180320632
2018-11-08

Counter rotating turbine with reversing reduction gear assembly

 #211
20180306123
2018-10-25

ANNULAR AIRFLOW ACTUATION SYSTEM FOR VARIABLE CYCLE GAS TURBINE ENGINES

 #212
20180306121
2018-10-25

Turbine engine with fan and reduction of speed on the shaft of the power turbine

 #213
20180291819
2018-10-11

Geared turbofan with non-epicyclic gear reduction system

 #214
20180283274
2018-10-04

Mechanical flywheel for bowed rotor mitigation

 #215
20180283272
2018-10-04

Aircraft propulsion assembly equipped with a main fan and with at least one offset fan

 #216
20180281978
2018-10-04

Aircraft with multiple fan propulsion assembly fixed under the wing

 #217
20180274483
2018-09-27

Gas turbine engine bifurcation located fan variable area nozzle

 #218
20180266541
2018-09-20

Planet-carrier for an epicyclic gearing and epicyclic gearing provided with such a planet carrier

 #219
20180266316
2018-09-20

Aircraft propulsion assembly equipped with a main fan and with a least one offset fan

 #220
20180258790
2018-09-13

Turbine housing assembly

 #221
20180252165
2018-09-06

Planetary gear system for turbomachine

 #222
20180245541
2018-08-30

GEARED TURBOFAN GAS TURBINE ENGINE ARCHITECTURE

 #223
20180230912
2018-08-16

GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT

 #224
20180230902
2018-08-16

Planetary gearbox for gas turbine engine

 #225
20180223739
2018-08-09

Turbine rotor with low over-speed requirements

 #226
20180223736
2018-08-09

External mixing chamber for a gas turbine engine with cooled turbine cooling air

 #227
20180223732
2018-08-09

Counter rotating turbine with reversing reduction gearbox

 #228
20180216525
2018-08-02

GAS TURBINE ENGINE ARCHITECTURE WITH SPLIT COMPRESSOR SYSTEM

 #229
20180187605
2018-07-05

SYSTEMS AND METHODS INVOLVING MULTIPLE TORQUE PATHS FOR GAS TURBINE ENGINES

 #230
20180187604
2018-07-05

Assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines

 #231
20180156134
2018-06-07

GEAR SYSTEM ARCHITECTURE FOR GAS TURBINE ENGINE

 #232
20180156133
2018-06-07

Cooling air for gas turbine engine with supercharged low pressure compressor

 #233
20180156117
2018-06-07

Lubrication system for gas turbine engines

 #234
20180156116
2018-06-07

Lubrication system for gas turbine engines

 #235
20180156113
2018-06-07

SPEED SENSOR PROBE LOCATION IN GAS TURBINE ENGINE

 #236
20180156057
2018-06-07

Geared turbofan with high speed generator

 #237
20180156048
2018-06-07

Geared low fan pressure ratio fan exit guide vane stagger angle

 #238
20180149036
2018-05-31

Geared architecture for high speed and small volume fan drive turbine

 #239
20180135523
2018-05-17

Method of assembly for gas turbine fan drive gear system

 #240
20180128168
2018-05-10

Geared turbofan with three turbines all counter-rotating

 #241
20180119643
2018-05-03

Geared turbofan gas turbine engine architecture

 #242
20180094579
2018-04-05

Turbofan engine bearing and gearbox arrangement

 #243
20180080387
2018-03-22

Gas turbine engine with a geared turbofan arrangement

 #244
20180080373
2018-03-22

Split compressor turbine engine

 #245
20180073429
2018-03-15

Reverse flow gas turbine engine with offset RGB

 #246
20180073392
2018-03-15

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES

 #247
20180045120
2018-02-15

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION

 #248
20180038654
2018-02-08

SYSTEM FOR FAULT TOLERANT PASSAGE ARRANGEMENTS FOR HEAT EXCHANGER APPLICATIONS

 #249
20180023482
2018-01-25

Turbine shaft power take-off

 #250
20180023481
2018-01-25

Multi-spool gas turbine engine architecture

 #251
20180023480
2018-01-25

Multi-spool gas turbine engine architecture

 #252
20180023471
2018-01-25

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