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Thomas P. Joyce
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Loves Park, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Parallel generator systems and controllers therefor
Patent number
12,072,822
Issue date
Aug 27, 2024
Hamilton Sundstrand Corporation
Thomas P. Joyce
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Contactor drives having normally-on solid state switches
Patent number
12,055,589
Issue date
Aug 6, 2024
Hamilton Sundstrand Corporation
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Failure detection system for integrated circuit components
Patent number
11,867,746
Issue date
Jan 9, 2024
Hamilton Sundstrand Corporation
Thomas P. Joyce
G01 - MEASURING TESTING
Information
Patent Grant
Economizer failure detection and bit method circuits
Patent number
11,791,621
Issue date
Oct 17, 2023
Hamilton Sundstrand Corporation
Jordan K. Vanevenhoven
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current source contactor drives with economizers
Patent number
11,705,296
Issue date
Jul 18, 2023
Hamilton Sundstrand Corporation
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current source contactor drive with economizers
Patent number
11,488,798
Issue date
Nov 1, 2022
Hamilton Sundstrand Corporation
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Controller for a generator
Patent number
11,329,539
Issue date
May 10, 2022
Hamilton Sundstrand Corporation
Adrian E. Vandergrift
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Relay drive with power supply economizer
Patent number
11,257,645
Issue date
Feb 22, 2022
Hamilton Sundstrand Corporation
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for adding a high voltage DC source to a power bus
Patent number
11,133,672
Issue date
Sep 28, 2021
Hamilton Sundstrand Corporation
Thomas P. Joyce
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Four-mode tap-switching transformer rectifier
Patent number
11,121,638
Issue date
Sep 14, 2021
Hamilton Sundstrand Corporation
Thomas P. Joyce
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Disabled mode error reduction for high-voltage bilateral operationa...
Patent number
11,018,630
Issue date
May 25, 2021
HAMILTON SUNSTRAND CORPORATION
Thomas P. Joyce
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fault detection system for isolated two-switch exciter drive gate d...
Patent number
9,871,479
Issue date
Jan 16, 2018
Hamilton Sundstrand Corporation
Thomas P. Joyce
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR COMPLEX HARDWARE DEVELOPMENT ERROR MITIGATION VIA INDEPE...
Publication number
20250119150
Publication date
Apr 10, 2025
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CONTACTOR DRIVES HAVING NORMALLY-ON SOLID STATE SWITCHES
Publication number
20240241176
Publication date
Jul 18, 2024
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TWO-SWITCH EXCITER DRIVE ARCHITECTURE WITH SINGLE SWITCH MODES
Publication number
20240195314
Publication date
Jun 13, 2024
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAILURE DETECTION SYSTEM FOR INTEGRATED CIRCUIT COMPONENTS
Publication number
20230090583
Publication date
Mar 23, 2023
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
G01 - MEASURING TESTING
Information
Patent Application
PARALLEL GENERATOR SYSTEMS AND CONTROLLERS THEREFOR
Publication number
20230065688
Publication date
Mar 2, 2023
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CURRENT SOURCE CONTACTOR DRIVES WITH ECONOMIZERS
Publication number
20220285116
Publication date
Sep 8, 2022
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CURRENT SOURCE CONTACTOR DRIVE WITH ECONOMIZERS
Publication number
20210296069
Publication date
Sep 23, 2021
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ECONOMIZER FAILURE DETECTION AND BIT METHOD CIRCUITS
Publication number
20210296885
Publication date
Sep 23, 2021
HAMILTON SUNDSTRAND CORPORATION
Jordan K. Vanevenhoven
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTROLLER FOR A GENERATOR
Publication number
20210288567
Publication date
Sep 16, 2021
HAMILTON SUNDSTRAND CORPORATION
Adrian E. Vandergrift
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM AND METHOD FOR ADDING A HIGH VOLTAGE DC SOURCE TO A POWER BUS
Publication number
20210281074
Publication date
Sep 9, 2021
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RELAY DRIVE WITH POWER SUPPLY ECONOMIZER
Publication number
20210217570
Publication date
Jul 15, 2021
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FOUR-MODE TAP-SWITCHING TRANSFORMER RECTIFIER
Publication number
20210036629
Publication date
Feb 4, 2021
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DISABLED MODE ERROR REDUCTION FOR HIGH-VOLTAGE BILATERAL OPERATIONA...
Publication number
20200382073
Publication date
Dec 3, 2020
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FAULT DETECTION SYSTEM FOR ISOLATED TWO-SWITCH EXCITER DRIVE GATE D...
Publication number
20170366125
Publication date
Dec 21, 2017
HAMILTON SUNDSTRAND CORPORATION
Thomas P. Joyce
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER