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Subhradeep Chowdhury
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Rocky Hill, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-engine coordination during gas turbine engine motoring
Patent number
11,674,411
Issue date
Jun 13, 2023
Raytheon Technologies Corporation
Subhradeep Chowdhury
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
On-board estimator sensor drift detection in engine control
Patent number
11,319,834
Issue date
May 3, 2022
Raytheon Technologies Corporation
Boris Karpman
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Gas turbine engine system wear reduction
Patent number
11,306,654
Issue date
Apr 19, 2022
Raytheon Technologies Corporation
Stephen A. Witalis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
On-board estimator engine sensor fault accommodation in engine control
Patent number
11,203,950
Issue date
Dec 21, 2021
Raytheon Technologies Corporation
Boris Karpman
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Gas turbine engine system bowed rotor start mitigation and wear red...
Patent number
11,199,139
Issue date
Dec 14, 2021
Raytheon Technologies Corporation
Ramesh Rajagopalan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Multi-engine coordination during gas turbine engine motoring
Patent number
11,047,257
Issue date
Jun 29, 2021
Raytheon Technologies Corporation
Subhradeep Chowdhury
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
On-board estimator actuator system fault accommodation in engine co...
Patent number
10,557,418
Issue date
Feb 11, 2020
United Technologies Corporation
Boris Karpman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Non resonating close coupled probe
Patent number
6,925,883
Issue date
Aug 9, 2005
United Technologies Corporation
Subhradeep Chowdhury
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Patents Applications
last 30 patents
Information
Patent Application
ON-BOARD ESTIMATOR EFFECTOR DRIFT DETECTION IN ENGINE CONTROL
Publication number
20230090879
Publication date
Mar 23, 2023
Raytheon Technologies Corporation
Boris Karpman
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
GAS TURBINE ENGINE SYSTEM WEAR REDUCTION
Publication number
20220243653
Publication date
Aug 4, 2022
Raytheon Technologies Corporation
Stephen A. Witalis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
MULTI-ENGINE COORDINATION DURING GAS TURBINE ENGINE MOTORING
Publication number
20210324758
Publication date
Oct 21, 2021
Raytheon Technologies Corporation
Subhradeep Chowdhury
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
GAS TURBINE ENGINE SYSTEM WEAR REDUCTION
Publication number
20200200127
Publication date
Jun 25, 2020
United Technologies Corporation
Stephen A. Witalis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
GAS TURBINE ENGINE SYSTEM BOWED ROTOR START MITIGATION AND WEAR RED...
Publication number
20200200099
Publication date
Jun 25, 2020
United Technologies Corporation
Ramesh Rajagopalan
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ON-BOARD ESTIMATOR ACTUATOR SYSTEM FAULT ACCOMMODATION IN ENGINE CO...
Publication number
20190226407
Publication date
Jul 25, 2019
United Technologies Corporation
Boris Karpman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
ON-BOARD ESTIMATOR ENGINE SENSOR FAULT ACCOMMODATION IN ENGINE CONTROL
Publication number
20190226353
Publication date
Jul 25, 2019
United Technologies Corporation
Boris Karpman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
ON-BOARD ESTIMATOR SENSOR DRIFT DETECTION IN ENGINE CONTROL
Publication number
20190226354
Publication date
Jul 25, 2019
United Technologies Corporation
Boris Karpman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
MULTI-ENGINE COORDINATION DURING GAS TURBINE ENGINE MOTORING
Publication number
20180023413
Publication date
Jan 25, 2018
United Technologies Corporation
Subhradeep Chowdhury
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Non resonating close coupled probe
Publication number
20050044958
Publication date
Mar 3, 2005
Subhradeep Chowdhury
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES