Alan Retersdorf

Person

Avon, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Air recuperated engine with air reinjection
- Patent number 12,078,102
- Issue date Sep 3, 2024
- RTX Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air bottoming cycle air cycle system source
- Patent number 12,031,481
- Issue date Jul 9, 2024
- RTX Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air bottoming cycle driven propulsor
- Patent number 12,031,478
- Issue date Jul 9, 2024
- RTX Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Asymmetric cross counter flow heat exchanger
- Patent number 12,013,194
- Issue date Jun 18, 2024
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Environmental control systems
- Patent number 11,913,377
- Issue date Feb 27, 2024
- RTX Corporation
- Alan F. Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Crossflow/counterflow subfreezing plate fin heat exchanger
- Patent number 11,859,918
- Issue date Jan 2, 2024
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Air bottoming cycle air cycle system source
- Patent number 11,773,778
- Issue date Oct 3, 2023
- RTX Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine bleed waste heat recovery
- Patent number 11,702,981
- Issue date Jul 18, 2023
- Raytheon Technologies Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Subfreezing heat exchanger with separate melt fluid
- Patent number 11,668,531
- Issue date Jun 6, 2023
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger with enhanced end sheet heat transfer
- Patent number 11,656,038
- Issue date May 23, 2023
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Air cycle machines, air cycle machine systems, and methods of contr...
- Patent number 11,492,127
- Issue date Nov 8, 2022
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Bootstrap air cycle with vapor power turbine
- Patent number 11,465,756
- Issue date Oct 11, 2022
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Air cycle machine connected to engine gearbox
- Patent number 11,465,770
- Issue date Oct 11, 2022
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Flexible turbine arrangement air cycle machine with adaptive heat e...
- Patent number 11,377,218
- Issue date Jul 5, 2022
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Turbine-turbine generator power thermal management system
- Patent number 11,286,857
- Issue date Mar 29, 2022
- Hamilton Sundstrand Corporation
- Lance R. Bartosz
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Heat exchanger closure bar with shield
- Patent number 11,221,186
- Issue date Jan 11, 2022
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Plate fin crossflow heat exchanger
- Patent number 11,187,470
- Issue date Nov 30, 2021
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Offset/slanted cross counter flow heat exchanger
- Patent number 11,162,737
- Issue date Nov 2, 2021
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Adaptive plate-fin heat exchanger
- Patent number 11,046,441
- Issue date Jun 29, 2021
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger with enhanced end sheet heat transfer
- Patent number 11,035,626
- Issue date Jun 15, 2021
- HAMILTON SUNSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Pressure optimized sourcing of cabin pressurization and component a...
- Patent number 10,934,007
- Issue date Mar 2, 2021
- HAMILTON SUNSTRAND CORPORATION
- Tony Ho
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Simultaneous dual engine bleed thermal management system
- Patent number 10,745,139
- Issue date Aug 18, 2020
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rankine cycle powered by bleed heat
- Patent number 10,544,705
- Issue date Jan 28, 2020
- Hamilton Sundstrand Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
AIR RECUPERATED ENGINE WITH AIR REINJECTION
- Publication number 20240401523
- Publication date Dec 5, 2024
- RTX Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIR BOTTOMING CYCLE DRIVEN PROPULSOR
- Publication number 20240117764
- Publication date Apr 11, 2024
- Raytheon Technologies Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIR BOTTOMING CYCLE AIR CYCLE SYSTEM SOURCE
- Publication number 20240102418
- Publication date Mar 28, 2024
- RTX Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIR RECUPERATED ENGINE WITH AIR REINJECTION
- Publication number 20240102417
- Publication date Mar 28, 2024
- Raytheon Technologies Corporation
- Stephen H. Taylor
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
BOTTOMING CYCLE FOR WASTE HEAT RECOVERY AND ENGINE COOLING
- Publication number 20240084731
- Publication date Mar 14, 2024
- RTX Corporation
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENVIRONMENTAL CONTROL SYSTEM AND VAPOR CONTROL SYSTEM WATER SEPARAT...
- Publication number 20230348071
- Publication date Nov 2, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ENVIRONMENTAL CONTROL SYSTEM WITH AIR POWERED PUMP
- Publication number 20230339616
- Publication date Oct 26, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B60 - VEHICLES IN GENERAL
Information Patent Application
Aircraft Hybrid Cooling System
- Publication number 20230264818
- Publication date Aug 24, 2023
- Raytheon Technologies Corporation
- Alan F. Retersdorf
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Environmental Control Systems
- Publication number 20230265793
- Publication date Aug 24, 2023
- Raytheon Technologies Corporation
- Alan F. Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FLEXIBLE TURBINE ARRANGEMENT AIR CYCLE MACHINE WITH ADAPTIVE HEAT E...
- Publication number 20220194599
- Publication date Jun 23, 2022
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
SUBFREEZING HEAT EXCHANGER WITH SEPARATE MELT FLUID
- Publication number 20220178621
- Publication date Jun 9, 2022
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
CROSSFLOW/COUNTERFLOW SUBFREEZING PLATE FIN HEAT EXCHANGER
- Publication number 20210333052
- Publication date Oct 28, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER WITH ENHANCED END SHEET HEAT TRANSFER
- Publication number 20210262743
- Publication date Aug 26, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
AIR CYCLE MACHINES, AIR CYCLE MACHINE SYSTEMS, AND METHODS OF CONTR...
- Publication number 20210188449
- Publication date Jun 24, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
AIR CYCLE MACHINES, AIR CYCLE MACHINE SYSTEMS, AND METHODS OF CONTR...
- Publication number 20210188448
- Publication date Jun 24, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
BOOTSTRAP AIR CYCLE WITH VAPOR POWER TURBINE
- Publication number 20210171204
- Publication date Jun 10, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
PLATE FIN CROSSFLOW HEAT EXCHANGER
- Publication number 20210033352
- Publication date Feb 4, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HEAT EXCHANGER CLOSURE BAR WITH SHIELD
- Publication number 20210018280
- Publication date Jan 21, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ADAPTIVE PLATE-FIN HEAT EXCHANGER
- Publication number 20210001993
- Publication date Jan 7, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER CLOSURE BAR
- Publication number 20200400377
- Publication date Dec 24, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ASYMMETRIC CROSS COUNTER FLOW HEAT EXCHANGER
- Publication number 20200340761
- Publication date Oct 29, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
TURBINE-TURBINE GENERATOR POWER THERMAL MANAGEMENT SYSTEM
- Publication number 20200340403
- Publication date Oct 29, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Lance R. Bartosz
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
OFFSET/SLANTED CROSS COUNTER FLOW HEAT EXCHANGER
- Publication number 20200340751
- Publication date Oct 29, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
AIR CYCLE MACHINE CONNECTED TO ENGINE GEARBOX
- Publication number 20200277079
- Publication date Sep 3, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
TWO-TURBINE ENVIRONMENTAL CONTROL SYSTEM
- Publication number 20200086998
- Publication date Mar 19, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HEAT EXCHANGER WITH ENHANCED END SHEET HEAT TRANSFER
- Publication number 20200080797
- Publication date Mar 12, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
PRESSURE OPTIMIZED SOURCING OF CABIN PRESSURIZATION AND COMPONENT A...
- Publication number 20200010203
- Publication date Jan 9, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Tony Ho
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
SIMULTANEOUS DUAL ENGINE BLEED THERMAL MANAGEMENT SYSTEM
- Publication number 20200002007
- Publication date Jan 2, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
RANKINE CYCLE POWERED BY BLEED HEAT
- Publication number 20190284965
- Publication date Sep 19, 2019
- HAMILTON SUNDSTRAND CORPORATION
- Alan Retersdorf
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Alan Retersdorf

Person

Patents Grantslast 30 patents

Air recuperated engine with air reinjection

Air bottoming cycle air cycle system source

Air bottoming cycle driven propulsor

Asymmetric cross counter flow heat exchanger

Environmental control systems

Crossflow/counterflow subfreezing plate fin heat exchanger

Air bottoming cycle air cycle system source

Turbine engine bleed waste heat recovery

Subfreezing heat exchanger with separate melt fluid

Heat exchanger with enhanced end sheet heat transfer

Air cycle machines, air cycle machine systems, and methods of contr...

Bootstrap air cycle with vapor power turbine

Air cycle machine connected to engine gearbox

Flexible turbine arrangement air cycle machine with adaptive heat e...

Turbine-turbine generator power thermal management system

Heat exchanger closure bar with shield

Plate fin crossflow heat exchanger

Offset/slanted cross counter flow heat exchanger

Adaptive plate-fin heat exchanger

Heat exchanger with enhanced end sheet heat transfer

Pressure optimized sourcing of cabin pressurization and component a...

Simultaneous dual engine bleed thermal management system

Rankine cycle powered by bleed heat

Patents Applicationslast 30 patents

AIR RECUPERATED ENGINE WITH AIR REINJECTION

AIR BOTTOMING CYCLE DRIVEN PROPULSOR

AIR BOTTOMING CYCLE AIR CYCLE SYSTEM SOURCE

AIR RECUPERATED ENGINE WITH AIR REINJECTION

BOTTOMING CYCLE FOR WASTE HEAT RECOVERY AND ENGINE COOLING

ENVIRONMENTAL CONTROL SYSTEM AND VAPOR CONTROL SYSTEM WATER SEPARAT...

ENVIRONMENTAL CONTROL SYSTEM WITH AIR POWERED PUMP

Aircraft Hybrid Cooling System

Environmental Control Systems

FLEXIBLE TURBINE ARRANGEMENT AIR CYCLE MACHINE WITH ADAPTIVE HEAT E...

SUBFREEZING HEAT EXCHANGER WITH SEPARATE MELT FLUID

CROSSFLOW/COUNTERFLOW SUBFREEZING PLATE FIN HEAT EXCHANGER

HEAT EXCHANGER WITH ENHANCED END SHEET HEAT TRANSFER

AIR CYCLE MACHINES, AIR CYCLE MACHINE SYSTEMS, AND METHODS OF CONTR...

AIR CYCLE MACHINES, AIR CYCLE MACHINE SYSTEMS, AND METHODS OF CONTR...

BOOTSTRAP AIR CYCLE WITH VAPOR POWER TURBINE

PLATE FIN CROSSFLOW HEAT EXCHANGER

HEAT EXCHANGER CLOSURE BAR WITH SHIELD

ADAPTIVE PLATE-FIN HEAT EXCHANGER

HEAT EXCHANGER CLOSURE BAR

ASYMMETRIC CROSS COUNTER FLOW HEAT EXCHANGER

TURBINE-TURBINE GENERATOR POWER THERMAL MANAGEMENT SYSTEM

OFFSET/SLANTED CROSS COUNTER FLOW HEAT EXCHANGER

AIR CYCLE MACHINE CONNECTED TO ENGINE GEARBOX

TWO-TURBINE ENVIRONMENTAL CONTROL SYSTEM

HEAT EXCHANGER WITH ENHANCED END SHEET HEAT TRANSFER

PRESSURE OPTIMIZED SOURCING OF CABIN PRESSURIZATION AND COMPONENT A...

SIMULTANEOUS DUAL ENGINE BLEED THERMAL MANAGEMENT SYSTEM

RANKINE CYCLE POWERED BY BLEED HEAT