Inventor · disambiguated record
Mark Eugene Shepard
Also filed as: SHEPARD MARK · SHEPARD MARK E · SHEPARD MARK EUGENE
24 granted patents·1 pending application·310 citations·filing 1982–2017
95Inventor score
Files withGEN ELECTRIC10OTIS ELEVATOR CO4WAGONER ROBERT GREGORY4MAGNETIC SEPARATION SYST INC2SHEPARD MARK EUGENE2
Top patents by PatentIndex Score
25 records- 0195US8259479B2Methods and systems for operating a two-stage power converterWAGONER ROBERT GREGORY·Filed 2010·Granted Sep 4, 2012·19 cites·17 claims
- 0293US4541530ARecovery of metallic concentrate from solid wasteMAGNETIC SEPARATION SYST INC·Filed 1982·Granted Sep 17, 1985·67 cites·1 claims
- 0391US4718559AProcess for recovery of non-ferrous metallic concentrate from solid wasteMAGNETIC SEPARATION SYST INC·Filed 1985·Granted Jan 12, 1988·64 cites·7 claims
- 0488US6401875B1Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturationOTIS ELEVATOR CO·Filed 2001·Granted Jun 11, 2002·43 cites·28 claims
- 0584US7324360B2Power converter methods and apparatus for variable speed high power machinesGEN ELECTRIC·Filed 2005·Granted Jan 29, 2008·21 cites·18 claims
- 0682US8073991B2Isolated HART interface with programmable data flowALLEY DANIEL MILTON·Filed 2010·Granted Dec 6, 2011·6 cites·20 claims
- 0781US8897010B2High performance liquid cooled heatsink for IGBT modulesSHEPARD MARK EUGENE·Filed 2011·Granted Nov 25, 2014·7 cites·19 claims
- 0876US10356228B2Systems, methods, and apparatus for controlling power semiconductor devicesGEN ELECTRIC·Filed 2015·Granted Jul 16, 2019·3 cites·28 claims
- 0973US9369035B2Power converter and method of operationHARBOURT CYRUS DAVID·Filed 2011·Granted Jun 14, 2016·3 cites·18 claims
- 1070US9184650B2Systems, methods, and apparatus for controlling power semiconductor devicesGEN ELECTRIC·Filed 2012·Granted Nov 10, 2015·3 cites·17 claims
- 1169US8897014B2Mechanical layout for half-bridge power module that is optimized for low inductanceWAGONER ROBERT GREGORY·Filed 2012·Granted Nov 25, 2014·2 cites·20 claims
- 1268US5635689AAcceleration damping of elevator resonant modes and hydraulic elevator pump leakage compensationOTIS ELEVATOR CO·Filed 1995·Granted Jun 3, 1997·26 cites·13 claims
- 1367US9099930B2Power converter and method of assembling the sameWAGONER ROBERT GREGORY·Filed 2012·Granted Aug 4, 2015·2 cites·20 claims
- 1464US9671442B2System and method for detecting a grid eventGEN ELECTRIC·Filed 2012·Granted Jun 6, 2017·2 cites·19 claims
- 1564US8942020B2Three-level phase leg for a power converterSHEPARD MARK EUGENE·Filed 2012·Granted Jan 27, 2015·2 cites·19 claims
- 1662US7680034B2Redundant control systems and methodsGEN ELECTRIC·Filed 2006·Granted Mar 16, 2010·3 cites·19 claims
- 1757US9620278B2System and method for reducing partial discharge in high voltage planar transformersGEN ELECTRIC·Filed 2014·Granted Apr 11, 2017·0 cites·20 claims
- 1856US5635688AStart jerk reduction for an elevatorOTIS ELEVATOR CO·Filed 1994·Granted Jun 3, 1997·18 cites·20 claims
- 1955US10236113B2System and method for reducing partial discharge in high voltage planar transformersGEN ELECTRIC·Filed 2017·Granted Mar 19, 2019·0 cites·20 claims
- 2054US8423160B2Systems and methods for controlling electronic circuitry with separated controllersCASTEEL JORDAN BRANTLEY·Filed 2010·Granted Apr 16, 2013·2 cites·18 claims
- 2150US5808240ALow-inductance planar bus arrangementOTIS ELEVATOR CO·Filed 1996·Granted Sep 15, 1998·17 cites·7 claims
- 2249US8981762B2Apparatus and method for improved current shunt sensingWAGONER ROBERT GREGORY·Filed 2011·Granted Mar 17, 2015·0 cites·18 claims
- 2344US2010049486A1Systems and Methods for Simulating Plant OperationsGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 2440US7984118B2Persistent configuration in a multiple processor repairable systemGEN ELECTRIC·Filed 2004·Granted Jul 19, 2011·0 cites·22 claims
- 2539US9798318B2Online frequency response characterization system and methodGEN ELECTRIC·Filed 2014·Granted Oct 24, 2017·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →