Assignee
GRAY JR CHARLES L
US·14 granted patents·4 pending applications·133 citations·filing 2005–2013
Top patents by PatentIndex Score
18 records- 0197US8118132B2Hydraulic hybrid vehicle method of safe operationGRAY JR CHARLES L·Filed 2006·Granted Feb 21, 2012·77 cites·24 claims
- 0288US8162094B2Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereofGRAY JR CHARLES L·Filed 2011·Granted Apr 24, 2012·9 cites·11 claims
- 0379US9346347B2Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motorsGRAY JR CHARLES L·Filed 2011·Granted May 24, 2016·4 cites·10 claims
- 0478US8985089B2Low temperature dual fuel combustion utilizing diesel and methanol fuelsGRAY JR CHARLES L·Filed 2012·Granted Mar 24, 2015·4 cites·4 claims
- 0573US8407999B2Efficiency turbocharged engine system with bottoming cycle, and method of operationGRAY JR CHARLES L·Filed 2008·Granted Apr 2, 2013·5 cites·31 claims
- 0672US8387385B2Efficient bypass valve for multi-stage turbocharging systemGRAY JR CHARLES L·Filed 2005·Granted Mar 5, 2013·7 cites·31 claims
- 0772US8306682B2Methods for optimizing the efficiency of a series hybrid vehicle with multi-gear transmissionGRAY JR CHARLES L·Filed 2009·Granted Nov 6, 2012·8 cites·5 claims
- 0870US9121395B2Method for assembling a bent-axis pump/motorGRAY JR CHARLES L·Filed 2013·Granted Sep 1, 2015·1 cites·6 claims
- 0969US8069657B2Diesel particulate filter regeneration systemGRAY JR CHARLES L·Filed 2008·Granted Dec 6, 2011·4 cites·8 claims
- 1067US8104436B2Quasi free piston engineGRAY JR CHARLES L·Filed 2009·Granted Jan 31, 2012·5 cites·10 claims
- 1166US8646565B2Hydraulic hybrid vehicle method of safe operationGRAY JR CHARLES L·Filed 2012·Granted Feb 11, 2014·2 cites·14 claims
- 1261US8522546B2On-demand power brake system and methodGRAY JR CHARLES L·Filed 2008·Granted Sep 3, 2013·3 cites·19 claims
- 1360US8177009B2Independent displacement opposing pump/motors and method of operationGRAY JR CHARLES L·Filed 2005·Granted May 15, 2012·4 cites·43 claims
- 1449US2014271244A1Radial hydraulic motor for a hydraulic hybrid vehicleGRAY JR CHARLES L·Filed 2013·Application pending·0 cites
- 1546US8893491B2Modular hydraulic hybrid drivetrainGRAY JR CHARLES L·Filed 2012·Granted Nov 25, 2014·0 cites·24 claims
- 1646US2012178570A1Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereofGRAY JR CHARLES L·Filed 2012·Application pending·0 cites
- 1744US2014311576A1Integrated Hydraulic Accumulator Dual Shut-Off ValveGRAY JR CHARLES L·Filed 2013·Application pending·0 cites
- 1843US2014200754A1Methods of Operating a Series Hybrid VehicleGRAY JR CHARLES L·Filed 2013·Application pending·0 cites
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