John F. Defenbaugh

Person

Rockford, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Passive power sharing of paralleled sources
- Patent number 11,905,029
- Issue date Feb 20, 2024
- Hamilton Sundstrand Corporation
- Michael C. Harke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Generator failure detection method
- Patent number 11,885,850
- Issue date Jan 30, 2024
- Hamilton Sundstrand Corporation
- Jordan K. Vanevenhoven
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control of a wound field synchronous generator for transient load r...
- Patent number 11,671,038
- Issue date Jun 6, 2023
- Hamilton Sundstrand Corporation
- Michael C. Harke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc fault induced differential protection isolation
- Patent number 11,641,101
- Issue date May 2, 2023
- Hamilton Sundstrand Corporation
- Joshua Berg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shorted rotating diode protection for synchronous machines
- Patent number 11,482,955
- Issue date Oct 25, 2022
- Hamilton Sundstrand Corporation
- Brian R. Golden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc zone fault detection
- Patent number 11,300,600
- Issue date Apr 12, 2022
- Hamilton Sundstrand Corporation
- John F. Defenbaugh
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Shorted rotating diode protection for synchronous machines
- Patent number 10,469,011
- Issue date Nov 5, 2019
- Hamilton Sundstrand Corporation
- Brian R. Golden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wound field generator overvoltage prevention
- Patent number 10,326,394
- Issue date Jun 18, 2019
- Hamilton Sundstrand Corporation
- Diego A. Rocha
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Overvoltage limiter in an aircraft electrical power generation system
- Patent number 8,970,183
- Issue date Mar 3, 2015
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overvoltage prevention in an aircraft electrical power generation s...
- Patent number 8,941,955
- Issue date Jan 27, 2015
- Hamilton Sundstrand Corporation
- Carl A. Wagner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for suppressing DC link voltage buildup due to ge...
- Patent number 7,746,038
- Issue date Jun 29, 2010
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Asymmetric fault detection and protection with AC solid state power...
- Patent number 7,656,633
- Issue date Feb 2, 2010
- Hamilton Sundstrand Corporation
- Donald G. Kilroy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
North-south pole determination for carrier injection sensorless pos...
- Patent number 6,967,461
- Issue date Nov 22, 2005
- Hamilton Sundstrand Corporation
- Albert L. Markunas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage regulator and method for DC power generating system
- Patent number 5,554,923
- Issue date Sep 10, 1996
- Sundstrand Corporation
- Vijay Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for controlling surge as a function of pressure osci...
- Patent number 5,174,729
- Issue date Dec 29, 1992
- Sundstrand Corporation
- Peter D. Waters
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vapor cycle system evaporator control
- Patent number 5,109,676
- Issue date May 5, 1992
- Sundstrand Corporation
- Peter D. Waters
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Vapor cycle system with multiple evaporator load control and superh...
- Patent number 5,007,245
- Issue date Apr 16, 1991
- Sundstrand Corporation
- John F. Defenbaugh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
PARALLEL CHANNEL VOLTAGE FEEDBACK
- Publication number 20240388084
- Publication date Nov 21, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Christopher Hopkins
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
HIGH VOLTAGE DC SYSTEMS
- Publication number 20230144976
- Publication date May 11, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Tom A. Utecht
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GENERATOR FAILURE DETECTION METHOD
- Publication number 20230142245
- Publication date May 11, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Jordan K. Vanevenhoven
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PASSIVE POWER SHARING OF PARALLELED SOURCES
- Publication number 20220371744
- Publication date Nov 24, 2022
- HAMILTON SUNDSTRAND CORPORATION
- Michael C. Harke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ARC FAULT INDUCED DIFFERENTIAL PROTECTION ISOLATION
- Publication number 20210320491
- Publication date Oct 14, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Joshua Berg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ARC ZONE FAULT DETECTION
- Publication number 20210293871
- Publication date Sep 23, 2021
- HAMILTON SUNDSTRAND CORPORATION
- John F. Defenbaugh
- G01 - MEASURING TESTING
Information Patent Application
CONTROL OF A WOUND FIELD SYNCHRONOUS GENERATOR FOR TRANSIENT LOAD R...
- Publication number 20210044231
- Publication date Feb 11, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Michael C. Harke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SHORTED ROTATING DIODE PROTECTION FOR SYNCHRONOUS MACHINES
- Publication number 20200007057
- Publication date Jan 2, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Brian R. Golden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WOUND FIELD GENERATOR OVERVOLTAGE PREVENTION
- Publication number 20190123669
- Publication date Apr 25, 2019
- HAMILTON SUNDSTRAND CORPORATION
- Diego A. Rocha
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SHORTED ROTATING DIODE PROTECTION FOR SYNCHRONOUS MACHINES
- Publication number 20190052204
- Publication date Feb 14, 2019
- HAMILTON SUNDSTRAND CORPORATION
- Brian R. Golden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM
- Publication number 20150137786
- Publication date May 21, 2015
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERVOLTAGE PREVENTION IN AN AIRCRAFT ELECTRICAL POWER GENERATION S...
- Publication number 20130003231
- Publication date Jan 3, 2013
- Carl A. Wagner
- G01 - MEASURING TESTING
Information Patent Application
OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM
- Publication number 20120182648
- Publication date Jul 19, 2012
- Vijay K. Maddali
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System and method for suppressing DC link voltage buildup due to ge...
- Publication number 20090167256
- Publication date Jul 2, 2009
- Hamilton Sundstrand Corporation
- Vijay K. Maddali
- G01 - MEASURING TESTING
Information Patent Application
Asymmetric fault detection and protection with AC solid state power...
- Publication number 20080151451
- Publication date Jun 26, 2008
- Hamilton Sundstrand Corporation
- Donald G. Kilroy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Ground fault detector for generator feeder
- Publication number 20060044710
- Publication date Mar 2, 2006
- Bruce D. Beneditz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

John F. Defenbaugh

Person

Patents Grantslast 30 patents

Passive power sharing of paralleled sources

Generator failure detection method

Control of a wound field synchronous generator for transient load r...

Arc fault induced differential protection isolation

Shorted rotating diode protection for synchronous machines

Arc zone fault detection

Shorted rotating diode protection for synchronous machines

Wound field generator overvoltage prevention

Overvoltage limiter in an aircraft electrical power generation system

Overvoltage prevention in an aircraft electrical power generation s...

System and method for suppressing DC link voltage buildup due to ge...

Asymmetric fault detection and protection with AC solid state power...

North-south pole determination for carrier injection sensorless pos...

Voltage regulator and method for DC power generating system

Control system for controlling surge as a function of pressure osci...

Vapor cycle system evaporator control

Vapor cycle system with multiple evaporator load control and superh...

Patents Applicationslast 30 patents

PARALLEL CHANNEL VOLTAGE FEEDBACK

TWO-SWITCH EXCITER DRIVE ARCHITECTURE WITH SINGLE SWITCH MODES

HIGH VOLTAGE DC SYSTEMS

GENERATOR FAILURE DETECTION METHOD

PASSIVE POWER SHARING OF PARALLELED SOURCES

ARC FAULT INDUCED DIFFERENTIAL PROTECTION ISOLATION

ARC ZONE FAULT DETECTION

CONTROL OF A WOUND FIELD SYNCHRONOUS GENERATOR FOR TRANSIENT LOAD R...

SHORTED ROTATING DIODE PROTECTION FOR SYNCHRONOUS MACHINES

WOUND FIELD GENERATOR OVERVOLTAGE PREVENTION

SHORTED ROTATING DIODE PROTECTION FOR SYNCHRONOUS MACHINES

OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM

OVERVOLTAGE PREVENTION IN AN AIRCRAFT ELECTRICAL POWER GENERATION S...

OVERVOLTAGE LIMITER IN AN AIRCRAFT ELECTRICAL POWER GENERATION SYSTEM

System and method for suppressing DC link voltage buildup due to ge...

Asymmetric fault detection and protection with AC solid state power...

Ground fault detector for generator feeder