Defenbaugh; John F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Defenbaugh; John F..The latest application filed is for "arc fault induced differential protection isolation".

Company Profile

5.11.11

Defenbaugh; John F. - Rockford IL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Arc zone fault detection Grant 11,300,600 - Defenbaugh , et al. April 12, 2	2022-04-12
Arc Fault Induced Differential Protection Isolation App 20210320491 - Berg; Joshua ; et al.	2021-10-14
Arc Zone Fault Detection App 20210293871 - Defenbaugh; John F. ; et al.	2021-09-23
Control Of A Wound Field Synchronous Generator For Transient Load Response App 20210044231 - Harke; Michael C. ; et al.	2021-02-11
Shorted Rotating Diode Protection For Synchronous Machines App 20200007057 - Golden; Brian R. ; et al.	2020-01-02
Shorted rotating diode protection for synchronous machines Grant 10,469,011 - Golden , et al. No	2019-11-05
Wound field generator overvoltage prevention Grant 10,326,394 - Rocha , et al.	2019-06-18
Wound Field Generator Overvoltage Prevention App 20190123669 - Rocha; Diego A. ; et al.	2019-04-25
Shorted Rotating Diode Protection For Synchronous Machines App 20190052204 - Golden; Brian R. ; et al.	2019-02-14
Overvoltage Limiter In An Aircraft Electrical Power Generation System App 20150137786 - Maddali; Vijay K. ; et al.	2015-05-21
Overvoltage limiter in an aircraft electrical power generation system Grant 8,970,183 - Maddali , et al. March 3, 2	2015-03-03
Overvoltage prevention in an aircraft electrical power generation system Grant 8,941,955 - Wagner , et al. January 27, 2	2015-01-27
Overvoltage Prevention In An Aircraft Electrical Power Generation System App 20130003231 - Wagner; Carl A. ; et al.	2013-01-03
Overvoltage Limiter In An Aircraft Electrical Power Generation System App 20120182648 - Maddali; Vijay K. ; et al.	2012-07-19
System and method for suppressing DC link voltage buildup due to generator armature reaction Grant 7,746,038 - Maddali , et al. June 29, 2	2010-06-29
System and method for suppressing DC link voltage buildup due to generator armature reaction App 20090167256 - Maddali; Vijay K. ; et al.	2009-07-02
Ground fault detector for generator feeder App 20060044710 - Beneditz; Bruce D. ; et al.	2006-03-02
North-south pole determination for carrier injection sensorless position sensing systems Grant 6,967,461 - Markunas , et al. November 22, 2	2005-11-22
Voltage regulator and method for DC power generating system Grant 5,554,923 - Maddali , et al. September 10, 1	1996-09-10
Vapor cycle system evaporator control Grant 5,109,676 - Waters , et al. May 5, 1	1992-05-05

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