Ram Ranjan

Person

West Hartford, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Recuperated engine with supercritical CO2 bottoming cycle
- Patent number 12,140,050
- Issue date Nov 12, 2024
- RTX Corporation
- Malcolm P. MacDonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Centerbody insertion for improved CAC motor cooling
- Patent number 12,135,036
- Issue date Nov 5, 2024
- Hamilton Sundstrand Corporation
- Zhongtao Dai
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Header for high-pressure heat exchanger
- Patent number 12,130,099
- Issue date Oct 29, 2024
- Hamilton Sundstrand Corporation
- Kathryn L. Kirsch
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fuel storage leak mitigation for aircraft
- Patent number 12,084,194
- Issue date Sep 10, 2024
- Hamilton Sundstrand Corporation
- Sean C. Emerson
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Cooling in conductors for chips
- Patent number 12,063,763
- Issue date Aug 13, 2024
- Hamilton Sundstrand Corporation
- Jeffrey Ewanchuk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Water recovery system for fuel cells
- Patent number 12,057,609
- Issue date Aug 6, 2024
- Hamilton Sundstrand Corporation
- Matthew Robert Pearson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Varying topology heat sinks
- Patent number 12,007,180
- Issue date Jun 11, 2024
- Hamilton Sundstrand Corporation
- Ram Ranjan
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Vapor compression cycle with direct pumped two-phase cooling
- Patent number 11,988,418
- Issue date May 21, 2024
- Hamilton Sundstrand Corporation
- Joseph E. Turney
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Heat exchangers
- Patent number 11,965,699
- Issue date Apr 23, 2024
- Hamilton Sundstrand Corporation
- Neal R. Herring
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Additively manufactured radial turbine rotor with cooling manifolds
- Patent number 11,952,910
- Issue date Apr 9, 2024
- Hamilton Sundstrand Corporation
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Grant
Textile weave redundant loop cold plate design
- Patent number 11,924,997
- Issue date Mar 5, 2024
- Rockwell Collins, Inc.
- Joseph Turney
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Hydrogen systems for environmental control systems onboard aircraft
- Patent number 11,912,416
- Issue date Feb 27, 2024
- Hamilton Sundstrand Corporation
- Giusi Quartarone
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric motor with cooling channels
- Patent number 11,876,405
- Issue date Jan 16, 2024
- Hamilton Sundstrand Corporation
- Kimberly Rae Saviers
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Aircraft system including a cryogenic fluid operated auxiliary powe...
- Patent number 11,731,780
- Issue date Aug 22, 2023
- Hamilton Sundstrand Corporation
- Ram Ranjan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Additively manufactured radial turbine rotor with cooling manifolds
- Patent number 11,680,487
- Issue date Jun 20, 2023
- Hamilton Sundstrand Corporation
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Grant
Supercritical carbon dioxide-cooled generator and turbine
- Patent number 11,629,637
- Issue date Apr 18, 2023
- Hamilton Sundstrand Corporation
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Radial turbine rotor with complex cooling channels and method of ma...
- Patent number 11,591,916
- Issue date Feb 28, 2023
- Hamilton Sundstrand Corporation
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Grant
Hybrid power generation systems
- Patent number 11,542,840
- Issue date Jan 3, 2023
- Hamilton Sundstrand Corporation
- Malcolm Macdonald
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Closed-loop brayton cycle system with turbine blade cooling
- Patent number 11,536,164
- Issue date Dec 27, 2022
- Hamilton Sundstrand Corporation
- Stephen H. Taylor
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Header for high-pressure heat exchanger
- Patent number 11,493,286
- Issue date Nov 8, 2022
- Hamilton Sundstrand Corporation
- Kathryn L. Kirsch
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Inlet header duct design features
- Patent number 11,415,378
- Issue date Aug 16, 2022
- Hamilton Sundstrand Corporation
- Ram Ranjan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Integrated heat dissipative structure for electric machine
- Patent number 11,387,725
- Issue date Jul 12, 2022
- Hamilton Sundstrand Corporation
- Ram Ranjan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Heat exchanger with integral features
- Patent number 11,371,780
- Issue date Jun 28, 2022
- Hamilton Sundstrand Corporation
- Brian St. Rock
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger with water extraction
- Patent number 11,333,438
- Issue date May 17, 2022
- Hamilton Sundstrand Corporation
- Brian St. Rock
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heat exchangers
- Patent number 11,243,030
- Issue date Feb 8, 2022
- Hamilton Sundstrand Corporation
- Neal R. Herring
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Additively manufactured heaters for air data probes having a heater...
- Patent number 11,237,031
- Issue date Feb 1, 2022
- Rosemount Aerospace Inc.
- Scott Wigen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Power and cooling unit (PCU)
- Patent number 11,187,148
- Issue date Nov 30, 2021
- Hamilton Sundstrand Corporation
- Malcolm MacDonald
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Heat exchanger channels
- Patent number 11,112,183
- Issue date Sep 7, 2021
- Hamilton Sundstrand Corporation
- Joseph Turney
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Branching heat exchangers
- Patent number 11,085,700
- Issue date Aug 10, 2021
- Hamilton Sundstrand Corporation
- Ram Ranjan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of fabricating an oscillating heat pipe
- Patent number 11,045,912
- Issue date Jun 29, 2021
- Hamilton Sundstrand Corporation
- Abbas A. Alahyari
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
WATER RECOVERY SYSTEM FOR FUEL CELLS
- Publication number 20240356050
- Publication date Oct 24, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Matthew Robert Pearson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDIZING AGENTS FOR EMERGENCY POWER UNITS
- Publication number 20240266566
- Publication date Aug 8, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Malcolm P. MacDonald
- B60 - VEHICLES IN GENERAL
Information Patent Application
CENTERBODY INSERTION FOR IMPROVED CAC MOTOR COOLING
- Publication number 20240183359
- Publication date Jun 6, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Zhongtao Dai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
STABLE PUMPED TWO-PHASE COOLING
- Publication number 20240090186
- Publication date Mar 14, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Joseph E. Turney
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
VAPOR COMPRESSION CYCLE WITH DIRECT PUMPED TWO-PHASE COOLING
- Publication number 20240085068
- Publication date Mar 14, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Joseph E. Turney
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SURFACE TEXTURE ENHANCED GLASS-CERAMIC MATRIX COMPOSITE HEAT EXCHANGER
- Publication number 20230384044
- Publication date Nov 30, 2023
- HAMILTON SUNDSTRAND CORPORATION
- John Joseph Gangloff
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ADDITIVELY MANUFACTURED RADIAL TURBINE ROTOR WITH COOLING MANIFOLDS
- Publication number 20230349296
- Publication date Nov 2, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
VARYING TOPOLOGY HEAT SINKS
- Publication number 20230314091
- Publication date Oct 5, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Ram Ranjan
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
RECUPERATED ENGINE WITH SUPERCRITICAL CO2 BOTTOMING CYCLE
- Publication number 20230313711
- Publication date Oct 5, 2023
- Raytheon Technologies Corporation
- Malcolm P. MacDonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VARYING TOPOLOGY HEAT SINKS
- Publication number 20230314092
- Publication date Oct 5, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Ram Ranjan
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER CHANNELS
- Publication number 20230288143
- Publication date Sep 14, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Joseph Turney
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ADDITIVELY MANUFACTURED RADIAL TURBINE ROTOR WITH COOLING MANIFOLDS
- Publication number 20230146859
- Publication date May 11, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
TEXTILE WEAVE REDUNDANT LOOP COLD PLATE DESIGN
- Publication number 20230123004
- Publication date Apr 20, 2023
- Joseph Turney
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEADER FOR HIGH-PRESSURE HEAT EXCHANGER
- Publication number 20230116443
- Publication date Apr 13, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Kathryn L. Kirsch
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
WATER RECOVERY SYSTEM FOR FUEL CELLS
- Publication number 20230077343
- Publication date Mar 16, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Matthew Robert Pearson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CRYOGENIC FLUID HEAT EXCHANGER SYSTEM FOR AN AIRCRAFT ENVIRONMENTAL...
- Publication number 20230080053
- Publication date Mar 16, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Sean C. Emerson
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
CRYOGENIC FUEL COOLED ECS PRECOOLER
- Publication number 20230083470
- Publication date Mar 16, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Ram Ranjan
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
COOLING IN CONDUCTORS FOR CHIPS
- Publication number 20230077598
- Publication date Mar 16, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Jeffrey Ewanchuk
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HYDROGEN SYSTEMS FOR ENVIRONMENTAL CONTROL SYSTEMS ONBOARD AIRCRAFT
- Publication number 20230069975
- Publication date Mar 9, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Giusi Quartarone
- B60 - VEHICLES IN GENERAL
Information Patent Application
AIRCRAFT SYSTEM INCLUDING A CRYOGENIC FLUID OPERATED AUXILIARY POWE...
- Publication number 20230075009
- Publication date Mar 9, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Ram Ranjan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL STORAGE LEAK MITIGATION FOR AIRCRAFT
- Publication number 20230077242
- Publication date Mar 9, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Sean C. Emerson
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
RADIAL TURBINE ROTOR WITH COMPLEX COOLING CHANNELS AND METHOD OF MA...
- Publication number 20230003131
- Publication date Jan 5, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Zhongtao Dai
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
ADDITIVELY MANUFACTURED HEATERS FOR AIR DATA PROBES
- Publication number 20220155114
- Publication date May 19, 2022
- Rosemount Aerospace Inc.
- Scott Wigen
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
SUPERCRITICAL CARBON DIOXIDE-COOLED GENERATOR AND TURBINE
- Publication number 20220153426
- Publication date May 19, 2022
- HAMILTON SUNDSTRAND CORPORATION
- Brian M. Holley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HEAT EXCHANGERS
- Publication number 20220120502
- Publication date Apr 21, 2022
- HAMILTON SUNDSTRAND CORPORATION
- Neal R. Herring
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER CHANNELS
- Publication number 20210372706
- Publication date Dec 2, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Joseph Turney
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HYBRID POWER GENERATION SYSTEMS
- Publication number 20210340884
- Publication date Nov 4, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Malcolm Macdonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBO-GENERATOR WITH INTEGRAL COOLING
- Publication number 20210340878
- Publication date Nov 4, 2021
- Malcolm MacDonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COMPLIANT OSCILLATING HEAT PIPES
- Publication number 20210254899
- Publication date Aug 19, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Abbas A. Alahyari
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ELECTRIC MOTOR WITH COOLING CHANNELS
- Publication number 20210218297
- Publication date Jul 15, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Kimberly Rae Saviers
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

Recuperated engine with supercritical CO2 bottoming cycle

Centerbody insertion for improved CAC motor cooling

Header for high-pressure heat exchanger

Fuel storage leak mitigation for aircraft

Cooling in conductors for chips

Water recovery system for fuel cells

Varying topology heat sinks

Vapor compression cycle with direct pumped two-phase cooling

Heat exchangers

Additively manufactured radial turbine rotor with cooling manifolds

Textile weave redundant loop cold plate design

Hydrogen systems for environmental control systems onboard aircraft

Electric motor with cooling channels

Aircraft system including a cryogenic fluid operated auxiliary powe...

Additively manufactured radial turbine rotor with cooling manifolds

Supercritical carbon dioxide-cooled generator and turbine

Radial turbine rotor with complex cooling channels and method of ma...

Hybrid power generation systems

Closed-loop brayton cycle system with turbine blade cooling

Header for high-pressure heat exchanger

Inlet header duct design features

Integrated heat dissipative structure for electric machine

Heat exchanger with integral features

Heat exchanger with water extraction

Heat exchangers

Additively manufactured heaters for air data probes having a heater...

Power and cooling unit (PCU)

Heat exchanger channels

Branching heat exchangers

Method of fabricating an oscillating heat pipe

Patents Applicationslast 30 patents

WATER RECOVERY SYSTEM FOR FUEL CELLS

OXIDIZING AGENTS FOR EMERGENCY POWER UNITS

CENTERBODY INSERTION FOR IMPROVED CAC MOTOR COOLING

STABLE PUMPED TWO-PHASE COOLING

VAPOR COMPRESSION CYCLE WITH DIRECT PUMPED TWO-PHASE COOLING

SURFACE TEXTURE ENHANCED GLASS-CERAMIC MATRIX COMPOSITE HEAT EXCHANGER

ADDITIVELY MANUFACTURED RADIAL TURBINE ROTOR WITH COOLING MANIFOLDS

VARYING TOPOLOGY HEAT SINKS

RECUPERATED ENGINE WITH SUPERCRITICAL CO2 BOTTOMING CYCLE

VARYING TOPOLOGY HEAT SINKS

HEAT EXCHANGER CHANNELS

ADDITIVELY MANUFACTURED RADIAL TURBINE ROTOR WITH COOLING MANIFOLDS

TEXTILE WEAVE REDUNDANT LOOP COLD PLATE DESIGN

HEADER FOR HIGH-PRESSURE HEAT EXCHANGER

WATER RECOVERY SYSTEM FOR FUEL CELLS

CRYOGENIC FLUID HEAT EXCHANGER SYSTEM FOR AN AIRCRAFT ENVIRONMENTAL...

CRYOGENIC FUEL COOLED ECS PRECOOLER

COOLING IN CONDUCTORS FOR CHIPS

HYDROGEN SYSTEMS FOR ENVIRONMENTAL CONTROL SYSTEMS ONBOARD AIRCRAFT

AIRCRAFT SYSTEM INCLUDING A CRYOGENIC FLUID OPERATED AUXILIARY POWE...

FUEL STORAGE LEAK MITIGATION FOR AIRCRAFT

RADIAL TURBINE ROTOR WITH COMPLEX COOLING CHANNELS AND METHOD OF MA...

ADDITIVELY MANUFACTURED HEATERS FOR AIR DATA PROBES

SUPERCRITICAL CARBON DIOXIDE-COOLED GENERATOR AND TURBINE

HEAT EXCHANGERS

HEAT EXCHANGER CHANNELS

HYBRID POWER GENERATION SYSTEMS

TURBO-GENERATOR WITH INTEGRAL COOLING

COMPLIANT OSCILLATING HEAT PIPES

ELECTRIC MOTOR WITH COOLING CHANNELS