Neil Terwilliger

Person

Meriden, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thrust reverser in condenser exit duct
- Patent number 12,366,216
- Issue date Jul 22, 2025
- RTX Corporation
- Jesse M. Chandler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Centrifugal water molecular separation
- Patent number 12,338,751
- Issue date Jun 24, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hybrid electric hydrogen engine for aircraft
- Patent number 12,338,768
- Issue date Jun 24, 2025
- RTX Corporation
- Neil J. Terwilliger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Steam injected turbine engine steam generation control
- Patent number 12,338,766
- Issue date Jun 24, 2025
- RTX Corporation
- Abbas A. Alahyari
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine engine bottoming cycle heat exchanger bypass
- Patent number 12,331,680
- Issue date Jun 17, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cryogenic fuel semi-closed injection cooled bottoming cycle
- Patent number 12,331,687
- Issue date Jun 17, 2025
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cryogenic bottoming cycle with variable fluid mixture
- Patent number 12,331,688
- Issue date Jun 17, 2025
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Increased water heat absorption capacity for steam injected turbine...
- Patent number 12,286,907
- Issue date Apr 29, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Partial exhaust gas condensation with inverse Brayton control
- Patent number 12,270,333
- Issue date Apr 8, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Partial exhaust gas augmented condensation
- Patent number 12,264,609
- Issue date Apr 1, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Steam-injected engine heat exchanger arrangement
- Patent number 12,228,071
- Issue date Feb 18, 2025
- RTX Corporation
- Abbas A. Alahyari
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Partial exhaust condensation intercooling
- Patent number 12,215,622
- Issue date Feb 4, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hydrogen-oxygen fueled powerplant with water and heat recovery
- Patent number 12,215,608
- Issue date Feb 4, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Heat exchanger(s) for recovering water and/or heat energy from turb...
- Patent number 12,215,620
- Issue date Feb 4, 2025
- RTX Corporation
- Jon E. Sobanski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Partial exhaust bottoming cycle
- Patent number 12,215,623
- Issue date Feb 4, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine with electrically driven compressor
- Patent number 12,196,137
- Issue date Jan 14, 2025
- RTX Corporation
- Neil Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Energy optimization for a hybrid electric engine
- Patent number 12,187,448
- Issue date Jan 7, 2025
- RTX Corporation
- Neil Terwilliger
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric heating for turbomachinery clearance control powered by hy...
- Patent number 12,180,846
- Issue date Dec 31, 2024
- RTX Corporation
- Neil Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydrogen steam injected turbine engine with turboexpander heat reco...
- Patent number 12,180,893
- Issue date Dec 31, 2024
- RTX Corporation
- Neil J. Terwilliger
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Pressure control for bifurcated flow of a turbine engine
- Patent number 12,173,651
- Issue date Dec 24, 2024
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Axially offset vane arrays in turbine engine bypass
- Patent number 12,173,624
- Issue date Dec 24, 2024
- RTX Corporation
- Jon E. Sobanski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Selectable inlet for aircraft propulsion system heat exchanger
- Patent number 12,163,488
- Issue date Dec 10, 2024
- RTX Corporation
- Jon E. Sobanski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Powertrain system of an aircraft including cyrogenic cooling loop f...
- Patent number 12,162,619
- Issue date Dec 10, 2024
- RTX Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Extracting water vapor from a powerplant exhaust
- Patent number 12,161,963
- Issue date Dec 10, 2024
- RTX Corporation
- Andressa L. Johnson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Split evaporator for steam injection turbine engine
- Patent number 12,152,532
- Issue date Nov 26, 2024
- RTX Corporation
- Joseph B. Staubach
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Inter-turbine burner in recuperation cycle engine
- Patent number 12,129,787
- Issue date Oct 29, 2024
- RTX Corporation
- Joseph B. Staubach
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Superheated steam injection turbine engine
- Patent number 12,098,645
- Issue date Sep 24, 2024
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydrogen steam injected and inter-cooled turbine engine
- Patent number 12,078,104
- Issue date Sep 3, 2024
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Increased water heat absorption capacity for steam injected turbine...
- Patent number 12,078,084
- Issue date Sep 3, 2024
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hybrid electric hydrogen engine for aircraft
- Patent number 12,071,257
- Issue date Aug 27, 2024
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
HYDROGEN TURBINE POWER ASSISTED CONDENSATION
- Publication number 20250198330
- Publication date Jun 19, 2025
- RTX Corporation
- Neil J. Terwilliger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
STEAM INJECTED TURBINE ENGINE STEAM GENERATION CONTROL
- Publication number 20250188866
- Publication date Jun 12, 2025
- RTX Corporation
- Abbas A. Alahyari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HYBRID GAS TURBOFAN POWERED SUB-IDLE DESCENT MODE
- Publication number 20250163823
- Publication date May 22, 2025
- RTX Corporation
- Neil Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
PARTIAL EXHAUST BOTTOMING CYCLE
- Publication number 20250154900
- Publication date May 15, 2025
- RTX Corporation
- Neil J. Terwilliger
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
ENERGY OPTIMIZATION FOR A HYBRID ELECTRIC ENGINE
- Publication number 20250121947
- Publication date Apr 17, 2025
- RTX Corporation
- Neil Terwilliger
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDROGEN STEAM INJECTED TURBINE ENGINE WITH TURBOEXPANDER HEAT RECO...
- Publication number 20250101917
- Publication date Mar 27, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTIAL EXHAUST CONDENSATION REGENERATOR
- Publication number 20250084786
- Publication date Mar 13, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTIAL EXHAUST GAS AUGMENTED CONDENSATION
- Publication number 20250075649
- Publication date Mar 6, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PARTIAL EXHAUST GAS CONDENSATION WITH INVERSE BRAYTON CONTROL
- Publication number 20250075655
- Publication date Mar 6, 2025
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CENTRIFUGAL WATER MOLECULAR SEPARATION
- Publication number 20250075641
- Publication date Mar 6, 2025
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEM FOR SUPERCONDUCTING ELECTRONICS IN AEROSPACE APPLICATIONS
- Publication number 20250051028
- Publication date Feb 13, 2025
- RTX Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
GAS TURBINE ENGINE WITH ELECTRICALLY DRIVEN COMPRESSOR
- Publication number 20250043730
- Publication date Feb 6, 2025
- RTX Corporation
- Neil Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTER-TURBINE BURNER IN RECUPERATION CYCLE ENGINE
- Publication number 20250027443
- Publication date Jan 23, 2025
- RTX Corporation
- Joseph B. Staubach
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CRYOGENIC AIR SEPARATION ENHANCED GAS TURBINE
- Publication number 20240426242
- Publication date Dec 26, 2024
- Raytheon Technologies Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRESSURE CONTROL FOR BIFURCATED FLOW OF A TURBINE ENGINE
- Publication number 20240384684
- Publication date Nov 21, 2024
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AXIALLY OFFSET VANE ARRAYS IN TURBINE ENGINE BYPASS
- Publication number 20240384659
- Publication date Nov 21, 2024
- Jon E. Sobanski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CRYOGENIC BOTTOMING CYCLE UTILIZING A THERMAL BUS WITH MULTIPLE HEA...
- Publication number 20240369015
- Publication date Nov 7, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
STACKED CRYOGENIC BOTTOMING CYCLES
- Publication number 20240359814
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CRYOGENIC ASSISTED BOTTOMING CYCLE
- Publication number 20240360786
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTIPLE HEAT SOURCE CRYOGENIC BOTTOMING CYCLE SEQUENCING AND ROUTING
- Publication number 20240359812
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTIAL EXHAUST CONDENSATION WITH CRYOGENIC ASSISTED BOTTOMING CYCLE
- Publication number 20240360788
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CRYO-ASSISTED BOTTOMING CYCLE HEAT SOURCE SEQUENCING
- Publication number 20240360791
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SHARED CRYOGENIC BOTTOMING CYCLE
- Publication number 20240359813
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTIAL EXHAUST CONDENSATION WITH CRYOGENIC ASSISTED BOTTOMING CYCLE
- Publication number 20240360787
- Publication date Oct 31, 2024
- RTX Corporation
- Brandon M. Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COOLING OF AIRCRAFT CRYOGENIC FUEL TANK ASSEMBLY
- Publication number 20240343408
- Publication date Oct 17, 2024
- Raytheon Technologies Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
TURBINE ENGINE BOTTOMING CYCLE HEAT EXCHANGER BYPASS
- Publication number 20240318593
- Publication date Sep 26, 2024
- RTX Corporation
- Neil J. Terwilliger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HEAT EXCHANGER(S) FOR RECOVERING WATER AND/OR HEAT ENERGY FROM TURB...
- Publication number 20240301823
- Publication date Sep 12, 2024
- Jon E. Sobanski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
RECOVERING WATER AND/OR HEAT ENERGY FROM POWERPLANT COMBUSTION PROD...
- Publication number 20240301819
- Publication date Sep 12, 2024
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HYBRID ELECTRIC HYDROGEN ENGINE FOR AIRCRAFT
- Publication number 20240287931
- Publication date Aug 29, 2024
- RTX Corporation
- Neil J. Terwilliger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
INCREASED WATER HEAT ABSORPTION CAPACITY FOR STEAM INJECTED TURBINE...
- Publication number 20240271550
- Publication date Aug 15, 2024
- RTX Corporation
- Neil J. Terwilliger
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Neil Terwilliger

Person

Patents Grantslast 30 patents

Thrust reverser in condenser exit duct

Centrifugal water molecular separation

Hybrid electric hydrogen engine for aircraft

Steam injected turbine engine steam generation control

Turbine engine bottoming cycle heat exchanger bypass

Cryogenic fuel semi-closed injection cooled bottoming cycle

Cryogenic bottoming cycle with variable fluid mixture

Increased water heat absorption capacity for steam injected turbine...

Partial exhaust gas condensation with inverse Brayton control

Partial exhaust gas augmented condensation

Steam-injected engine heat exchanger arrangement

Partial exhaust condensation intercooling

Hydrogen-oxygen fueled powerplant with water and heat recovery

Heat exchanger(s) for recovering water and/or heat energy from turb...

Partial exhaust bottoming cycle

Gas turbine engine with electrically driven compressor

Energy optimization for a hybrid electric engine

Electric heating for turbomachinery clearance control powered by hy...

Hydrogen steam injected turbine engine with turboexpander heat reco...

Pressure control for bifurcated flow of a turbine engine

Axially offset vane arrays in turbine engine bypass

Selectable inlet for aircraft propulsion system heat exchanger

Powertrain system of an aircraft including cyrogenic cooling loop f...

Extracting water vapor from a powerplant exhaust

Split evaporator for steam injection turbine engine

Inter-turbine burner in recuperation cycle engine

Superheated steam injection turbine engine

Hydrogen steam injected and inter-cooled turbine engine

Increased water heat absorption capacity for steam injected turbine...

Hybrid electric hydrogen engine for aircraft

Patents Applicationslast 30 patents

HYDROGEN TURBINE POWER ASSISTED CONDENSATION

STEAM INJECTED TURBINE ENGINE STEAM GENERATION CONTROL

HYBRID GAS TURBOFAN POWERED SUB-IDLE DESCENT MODE

PARTIAL EXHAUST BOTTOMING CYCLE

ENERGY OPTIMIZATION FOR A HYBRID ELECTRIC ENGINE

HYDROGEN STEAM INJECTED TURBINE ENGINE WITH TURBOEXPANDER HEAT RECO...

PARTIAL EXHAUST CONDENSATION REGENERATOR

PARTIAL EXHAUST GAS AUGMENTED CONDENSATION

PARTIAL EXHAUST GAS CONDENSATION WITH INVERSE BRAYTON CONTROL

CENTRIFUGAL WATER MOLECULAR SEPARATION

SYSTEM FOR SUPERCONDUCTING ELECTRONICS IN AEROSPACE APPLICATIONS

GAS TURBINE ENGINE WITH ELECTRICALLY DRIVEN COMPRESSOR

INTER-TURBINE BURNER IN RECUPERATION CYCLE ENGINE

CRYOGENIC AIR SEPARATION ENHANCED GAS TURBINE

PRESSURE CONTROL FOR BIFURCATED FLOW OF A TURBINE ENGINE

AXIALLY OFFSET VANE ARRAYS IN TURBINE ENGINE BYPASS

CRYOGENIC BOTTOMING CYCLE UTILIZING A THERMAL BUS WITH MULTIPLE HEA...

STACKED CRYOGENIC BOTTOMING CYCLES

CRYOGENIC ASSISTED BOTTOMING CYCLE

MULTIPLE HEAT SOURCE CRYOGENIC BOTTOMING CYCLE SEQUENCING AND ROUTING

PARTIAL EXHAUST CONDENSATION WITH CRYOGENIC ASSISTED BOTTOMING CYCLE

CRYO-ASSISTED BOTTOMING CYCLE HEAT SOURCE SEQUENCING

SHARED CRYOGENIC BOTTOMING CYCLE

PARTIAL EXHAUST CONDENSATION WITH CRYOGENIC ASSISTED BOTTOMING CYCLE

COOLING OF AIRCRAFT CRYOGENIC FUEL TANK ASSEMBLY

TURBINE ENGINE BOTTOMING CYCLE HEAT EXCHANGER BYPASS

HEAT EXCHANGER(S) FOR RECOVERING WATER AND/OR HEAT ENERGY FROM TURB...

RECOVERING WATER AND/OR HEAT ENERGY FROM POWERPLANT COMBUSTION PROD...

HYBRID ELECTRIC HYDROGEN ENGINE FOR AIRCRAFT

INCREASED WATER HEAT ABSORPTION CAPACITY FOR STEAM INJECTED TURBINE...