Marc J. Muldoon

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Patents Grantslast 30 patents

Information Patent Grant
Thrust diverter for an open rotor aircraft propulsion system
- Patent number 12,338,770
- Issue date Jun 24, 2025
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Particulate separator assembly for a gas turbine engine
- Patent number 12,331,682
- Issue date Jun 17, 2025
- RTX Corporation
- William K. Ackermann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Core turning system
- Patent number 12,326,096
- Issue date Jun 10, 2025
- RTX Corporation
- Bradley C. Schafer
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Hybrid-electric single engine descent failure management
- Patent number 12,326,111
- Issue date Jun 10, 2025
- RTX Corporation
- Marc J. Muldoon
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Rotating carrier oil manifold
- Patent number 12,188,417
- Issue date Jan 7, 2025
- RTX Corporation
- David Allen Stachowiak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ducted firewall with upper bifi bleed for modulated core ventilation
- Patent number 12,180,911
- Issue date Dec 31, 2024
- RTX Corporation
- Murat Yazici
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electric machine within a turbine engine
- Patent number 12,152,535
- Issue date Nov 26, 2024
- RTX Corporation
- Marc J. Muldoon
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Geared turbofan with over-speed protection
- Patent number 12,123,373
- Issue date Oct 22, 2024
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hybrid electric power for turbine engines having hydrogen fuel systems
- Patent number 12,103,699
- Issue date Oct 1, 2024
- RTX Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High and low spool configuration for a gas turbine engine
- Patent number 12,098,681
- Issue date Sep 24, 2024
- RTX Corporation
- Stephen G. Pixton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Double splined coupling for a turbine engine
- Patent number 12,065,974
- Issue date Aug 20, 2024
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Optimized bowed rotor control method
- Patent number 12,060,839
- Issue date Aug 13, 2024
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydrogen powered engine with exhaust heat exchanger
- Patent number 12,055,098
- Issue date Aug 6, 2024
- RTX Corporation
- James Wiedenhoefer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fan drive gear system gutter ejector system
- Patent number 12,049,850
- Issue date Jul 30, 2024
- RTX Corporation
- Francis Parnin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cooling system for power cables in a gas turbine engine
- Patent number 12,044,149
- Issue date Jul 23, 2024
- RTX Corporation
- Marc J. Muldoon
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbine engines having hydrogen fuel systems
- Patent number 12,044,176
- Issue date Jul 23, 2024
- RTX Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Core turning system
- Patent number 12,018,578
- Issue date Jun 25, 2024
- RTX Corporation
- Bradley C. Schafer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Electric machine within a turbine engine
- Patent number 12,000,338
- Issue date Jun 4, 2024
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine engine module with electric machine
- Patent number 11,994,038
- Issue date May 28, 2024
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbo expanders for turbine engines having hydrogen fuel systems
- Patent number 11,987,377
- Issue date May 21, 2024
- RTX Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine mounted above wing and with camber
- Patent number 11,970,974
- Issue date Apr 30, 2024
- RTX Corporation
- Robert E. Malecki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine including flow path flex seal and heat shield
- Patent number 11,965,427
- Issue date Apr 23, 2024
- RTX Corporation
- Thomas E. Clark
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine engine with preheat of cryogenic fuel via intermediate fluid
- Patent number 11,952,946
- Issue date Apr 9, 2024
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Front section stiffness ratio
- Patent number 11,933,190
- Issue date Mar 19, 2024
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine with guided bleed air dump
- Patent number 11,927,140
- Issue date Mar 12, 2024
- RTX Corporation
- Murat Yazici
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Heat exchanger tube support
- Patent number 11,892,250
- Issue date Feb 6, 2024
- RTX Corporation
- Joseph B. Staubach
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Radial outward bearing support for a rotating structure of a turbin...
- Patent number 11,867,075
- Issue date Jan 9, 2024
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hybrid electric variable area turbine
- Patent number 11,867,069
- Issue date Jan 9, 2024
- RTX Corporation
- John R. Farris
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Heat exchanger tube support
- Patent number 11,859,910
- Issue date Jan 2, 2024
- RTX Corporation
- Joseph B. Staubach
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Lubrication system for turbine engine electric machine
- Patent number 11,834,991
- Issue date Dec 5, 2023
- RTX Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
GAS TURBINE ENGINE WITH ENTRAINED PARTICLE SEPARATORS
- Publication number 20250116224
- Publication date Apr 10, 2025
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTICULATE SEPARATOR ASSEMBLY FOR A GAS TURBINE ENGINE
- Publication number 20250116225
- Publication date Apr 10, 2025
- William K. Ackermann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH ENTRAINED PARTICLE SEPARATOR
- Publication number 20250116227
- Publication date Apr 10, 2025
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PLANETARY FAN DRIVE GEAR SYSTEM AUXILIARY OIL CAPTURE SYSTEM
- Publication number 20250092832
- Publication date Mar 20, 2025
- RTX Corporation
- Marc J. Muldoon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TOWER SHAFT DRIVEN PLANETARY FAN DRIVE GEAR LUBRICATION SYSTEM
- Publication number 20250075659
- Publication date Mar 6, 2025
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUCTED FIREWALL WITH UPPER BIFI BLEED FOR MODULATED CORE VENTILATION
- Publication number 20240352906
- Publication date Oct 24, 2024
- Murat Yazici
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-VALVE MODULATED CORE VENTILATION
- Publication number 20240352892
- Publication date Oct 24, 2024
- Murat Yazici
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CORE TURNING SYSTEM
- Publication number 20240344466
- Publication date Oct 17, 2024
- RTX Corporation
- Bradley C. Schafer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS TURBINE ENGINE WITH BLEED DIFFUSER BAFFLES
- Publication number 20240280050
- Publication date Aug 22, 2024
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HYBRID ELECTRIC ENGINE AND NACELLE SYSTEM
- Publication number 20240262515
- Publication date Aug 8, 2024
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CRYOGENIC FUEL BOIL OFF POWERED FUEL CELL
- Publication number 20240253806
- Publication date Aug 1, 2024
- Raytheon Technologies Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
COLLECTION OF BOIL OFF GAS AT AIRPORT GATE
- Publication number 20240253821
- Publication date Aug 1, 2024
- Raytheon Technologies Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
RELIQUIFICATION OF BOIL OFF GAS AT AIRPORT GATE
- Publication number 20240254927
- Publication date Aug 1, 2024
- Raytheon Technologies Corporation
- Neil J. Terwilliger
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
REVERSE FLOW HYDROGEN STEAM INJECTED TURBINE ENGINE
- Publication number 20240141837
- Publication date May 2, 2024
- Raytheon Technologies Corporation
- Jesse M Chandler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE INCLUDING FLOW PATH FLEX SEAL AND HEAT SHIELD
- Publication number 20240110491
- Publication date Apr 4, 2024
- Raytheon Technologies Corporation
- Thomas E. Clark
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS AND SYSTEMS FOR STARTING HYDROGEN POWERED GAS GENERATORS
- Publication number 20240052782
- Publication date Feb 15, 2024
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HYBRID ELECTRIC POWER FOR TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS
- Publication number 20240010352
- Publication date Jan 11, 2024
- Raytheon Technologies Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBO EXPANDERS FOR TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS
- Publication number 20240010351
- Publication date Jan 11, 2024
- Raytheon Technologies Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FRONT SECTION STIFFNESS RATIO
- Publication number 20240003268
- Publication date Jan 4, 2024
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
HYBRID-ELECTRIC SINGLE ENGINE DESCENT FAILURE MANAGEMENT
- Publication number 20230417178
- Publication date Dec 28, 2023
- RTX Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE CORE DEBRIS CLEANER
- Publication number 20230332542
- Publication date Oct 19, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COOLING SYSTEM FOR POWER CABLES IN A GAS TURBINE ENGINE
- Publication number 20230323781
- Publication date Oct 12, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HIGH AND LOW SPOOL CONFIGURATION FOR A GAS TURBINE ENGINE
- Publication number 20230323818
- Publication date Oct 12, 2023
- Raytheon Technologies Corporation
- Stephen G. Pixton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS
- Publication number 20230304439
- Publication date Sep 28, 2023
- Raytheon Technologies Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Turbine Engine with Preheat of Cryogenic Fuel via Intermediate Fluid
- Publication number 20230258131
- Publication date Aug 17, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMPRESSOR ARRANGEMENT FOR A GAS TURBINE ENGINE
- Publication number 20230258192
- Publication date Aug 17, 2023
- Raytheon Technologies Corporation
- Stephen G. Pixton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTIPLE TURBOEXPANDER SYSTEM HAVING SELECTIVE COUPLER
- Publication number 20230250754
- Publication date Aug 10, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
RADIAL OUTWARD BEARING SUPPORT FOR A ROTATING STRUCTURE OF A TURBIN...
- Publication number 20230220785
- Publication date Jul 13, 2023
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GEARED GAS TURBINE ENGINE WITH FRONT SECTION MOMENT STIFFNESS RELAT...
- Publication number 20230220781
- Publication date Jul 13, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBINE ENGINE MODULE WITH ELECTRIC MACHINE
- Publication number 20230212959
- Publication date Jul 6, 2023
- Raytheon Technologies Corporation
- Marc J. Muldoon
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Marc J. Muldoon

Person

Patents Grantslast 30 patents

Thrust diverter for an open rotor aircraft propulsion system

Particulate separator assembly for a gas turbine engine

Core turning system

Hybrid-electric single engine descent failure management

Rotating carrier oil manifold

Ducted firewall with upper bifi bleed for modulated core ventilation

Electric machine within a turbine engine

Geared turbofan with over-speed protection

Hybrid electric power for turbine engines having hydrogen fuel systems

High and low spool configuration for a gas turbine engine

Double splined coupling for a turbine engine

Optimized bowed rotor control method

Hydrogen powered engine with exhaust heat exchanger

Fan drive gear system gutter ejector system

Cooling system for power cables in a gas turbine engine

Turbine engines having hydrogen fuel systems

Core turning system

Electric machine within a turbine engine

Turbine engine module with electric machine

Turbo expanders for turbine engines having hydrogen fuel systems

Gas turbine engine mounted above wing and with camber

Gas turbine engine including flow path flex seal and heat shield

Turbine engine with preheat of cryogenic fuel via intermediate fluid

Front section stiffness ratio

Gas turbine engine with guided bleed air dump

Heat exchanger tube support

Radial outward bearing support for a rotating structure of a turbin...

Hybrid electric variable area turbine

Heat exchanger tube support

Lubrication system for turbine engine electric machine

Patents Applicationslast 30 patents

GAS TURBINE ENGINE WITH ENTRAINED PARTICLE SEPARATORS

PARTICULATE SEPARATOR ASSEMBLY FOR A GAS TURBINE ENGINE

GAS TURBINE ENGINE WITH ENTRAINED PARTICLE SEPARATOR

PLANETARY FAN DRIVE GEAR SYSTEM AUXILIARY OIL CAPTURE SYSTEM

TOWER SHAFT DRIVEN PLANETARY FAN DRIVE GEAR LUBRICATION SYSTEM

DUCTED FIREWALL WITH UPPER BIFI BLEED FOR MODULATED CORE VENTILATION

MULTI-VALVE MODULATED CORE VENTILATION

CORE TURNING SYSTEM

GAS TURBINE ENGINE WITH BLEED DIFFUSER BAFFLES

HYBRID ELECTRIC ENGINE AND NACELLE SYSTEM

CRYOGENIC FUEL BOIL OFF POWERED FUEL CELL

COLLECTION OF BOIL OFF GAS AT AIRPORT GATE

RELIQUIFICATION OF BOIL OFF GAS AT AIRPORT GATE

REVERSE FLOW HYDROGEN STEAM INJECTED TURBINE ENGINE

GAS TURBINE ENGINE INCLUDING FLOW PATH FLEX SEAL AND HEAT SHIELD

METHODS AND SYSTEMS FOR STARTING HYDROGEN POWERED GAS GENERATORS

HYBRID ELECTRIC POWER FOR TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS

TURBO EXPANDERS FOR TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS

FRONT SECTION STIFFNESS RATIO

HYBRID-ELECTRIC SINGLE ENGINE DESCENT FAILURE MANAGEMENT

GAS TURBINE ENGINE CORE DEBRIS CLEANER

COOLING SYSTEM FOR POWER CABLES IN A GAS TURBINE ENGINE

HIGH AND LOW SPOOL CONFIGURATION FOR A GAS TURBINE ENGINE

TURBINE ENGINES HAVING HYDROGEN FUEL SYSTEMS

Turbine Engine with Preheat of Cryogenic Fuel via Intermediate Fluid

COMPRESSOR ARRANGEMENT FOR A GAS TURBINE ENGINE

MULTIPLE TURBOEXPANDER SYSTEM HAVING SELECTIVE COUPLER

RADIAL OUTWARD BEARING SUPPORT FOR A ROTATING STRUCTURE OF A TURBIN...

GEARED GAS TURBINE ENGINE WITH FRONT SECTION MOMENT STIFFNESS RELAT...

TURBINE ENGINE MODULE WITH ELECTRIC MACHINE