Inventor · disambiguated record
John F. Defenbaugh
Also filed as: DEFENBAUGH JOHN · DEFENBAUGH JOHN F
18 granted patents·3 pending applications·235 citations·filing 1989–2023
93Inventor score
Top patents by PatentIndex Score
21 records- 0194US6967461B1North-south pole determination for carrier injection sensorless position sensing systemsHAMILTON SUNDSTRAND CORP·Filed 2004·Granted Nov 22, 2005·64 cites·12 claims
- 0288US10469011B2Shorted rotating diode protection for synchronous machinesHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Nov 5, 2019·4 cites·13 claims
- 0385US5109676AVapor cycle system evaporator controlSUNDSTRAND CORP·Filed 1990·Granted May 5, 1992·70 cites·38 claims
- 0480US5007245AVapor cycle system with multiple evaporator load control and superheat controlSUNDSTRAND CORP·Filed 1989·Granted Apr 16, 1991·33 cites·22 claims
- 0574US7746038B2System and method for suppressing DC link voltage buildup due to generator armature reactionHAMILTON SUNDSTRAND CORP·Filed 2008·Granted Jun 29, 2010·9 cites·21 claims
- 0672US7656633B2Asymmetric fault detection and protection with AC solid state power controllersHAMILTON SUNDSTRAND CORP·Filed 2006·Granted Feb 2, 2010·11 cites·13 claims
- 0771US10326394B2Wound field generator overvoltage preventionHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Jun 18, 2019·1 cites·10 claims
- 0871US8970183B2Overvoltage limiter in an aircraft electrical power generation systemMADDALI VIJAY K·Filed 2011·Granted Mar 3, 2015·3 cites·7 claims
- 0965US12322961B2Parallel channel voltage feedbackHAMILTON SUNDSTRAND CORP·Filed 2023·Granted Jun 3, 2025·0 cites·18 claims
- 1064US11885850B2Generator failure detection methodHAMILTON SUNDSTRAND CORP·Filed 2021·Granted Jan 30, 2024·0 cites·20 claims
- 1164US11641101B2Arc fault induced differential protection isolationHAMILTON SUNDSTRAND CORP·Filed 2021·Granted May 2, 2023·0 cites·15 claims
- 1264US11482955B2Shorted rotating diode protection for synchronous machinesHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Oct 25, 2022·0 cites·12 claims
- 1362US11671038B2Control of a wound field synchronous generator for transient load responseHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Jun 6, 2023·0 cites·23 claims
- 1458US11300600B2Arc zone fault detectionHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Apr 12, 2022·0 cites·16 claims
- 1555US11905029B2Passive power sharing of paralleled sourcesHAMILTON SUNDSTRAND CORP·Filed 2021·Granted Feb 20, 2024·0 cites·18 claims
- 1655US5554923AVoltage regulator and method for DC power generating systemSUNDSTRAND CORP·Filed 1995·Granted Sep 10, 1996·18 cites·11 claims
- 1754US5174729AControl system for controlling surge as a function of pressure oscillations and methodSUNDSTRAND CORP·Filed 1990·Granted Dec 29, 1992·22 cites·26 claims
- 1848US2015137786A1Overvoltage limiter in an aircraft electrical power generation systemHAMILTON SUNDSTRAND CORP·Filed 2015·Application pending·0 cites
- 1945US8941955B2Overvoltage prevention in an aircraft electrical power generation systemWAGNER CARL A·Filed 2011·Granted Jan 27, 2015·0 cites·17 claims
- 2043US2023144976A1High voltage dc systemsHAMILTON SUNDSTRAND CORP·Filed 2021·Application pending·0 cites
- 2136US2006044710A1Ground fault detector for generator feederBENEDITZ BRUCE D·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →