Inventor · disambiguated record
Mark E. Schumacher
Also filed as: SCHUMACHER MARK E
12 granted patents·1 pending application·450 citations·filing 1991–2017
94Inventor score
Top patents by PatentIndex Score
13 records- 0197US9002581B2Object tracking and steer maneuvers for materials handling vehiclesCASTANEDA ANTHONY T·Filed 2013·Granted Apr 7, 2015·48 cites·37 claims
- 0297US8731777B2Object tracking and steer maneuvers for materials handling vehiclesCASTANEDA ANTHONY T·Filed 2011·Granted May 20, 2014·47 cites·28 claims
- 0396US8970363B2Wrist/arm/hand mounted device for remotely controlling a materials handling vehicleKRAIMER JAMES V·Filed 2011·Granted Mar 3, 2015·57 cites·24 claims
- 0496US5687081ALift truck control systemCROWN EQUIP CORP·Filed 1994·Granted Nov 11, 1997·58 cites·24 claims
- 0595US9493184B2Steer maneuvers for materials handling vehiclesCROWN EQUIP CORP·Filed 2014·Granted Nov 15, 2016·28 cites·60 claims
- 0694US9522817B2Sensor configuration for a materials handling vehicleCASTANEDA ANTHONY T·Filed 2013·Granted Dec 20, 2016·32 cites·20 claims
- 0794US8452464B2Steer correction for a remotely operated materials handling vehicleCASTANEDA ANTHONY T·Filed 2009·Granted May 28, 2013·55 cites·23 claims
- 0892US10179723B2Systems and methods of remotely controlling a materials handling vehicleCROWN EQUIP CORP·Filed 2017·Granted Jan 15, 2019·14 cites·20 claims
- 0981US5890086ARemovable programmable cartridge for a lift truck control systemCROWN EQUIP CORP·Filed 1997·Granted Mar 30, 1999·85 cites·14 claims
- 1056US2015057843A1Device for remotely controlling a materials handling vehicleCROWN EQUIP CORP·Filed 2014·Application pending·0 cites
- 1154US5223742ACircuit and method for monitoring a pulse width modulated waveformSCHUMACHER MARK E·Filed 1991·Granted Jun 29, 1993·14 cites·12 claims
- 1238US5170118ACircuit and method for testing inverter drive logic switching patternsSUNDSTRAND CORP·Filed 1991·Granted Dec 8, 1992·7 cites·24 claims
- 1337US5264802ACircuit and method for monitoring phase error modulationBEG MIRZA A·Filed 1991·Granted Nov 23, 1993·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →