Inventor · disambiguated record
Dana R. Coldren
Also filed as: COLDREN DANA · COLDREN DANA R · COLDREN DANA RAY
101 granted patents·18 pending applications·947 citations·filing 1997–2024
99Inventor score
Files withCATERPILLAR INC95COLDREN DANA R9ELECTRO MOTIVE DIESEL INC2BALDWIN DANIEL R1BROCCO DOUGLAS S1
Top patents by PatentIndex Score
119 records- 0198US11384721B1Dual fuel system having dual fuel injector and engine operating methodCATERPILLAR INC·Filed 2021·Granted Jul 12, 2022·15 cites·14 claims
- 0296US12326127B2Multi-fuel injector with fuel mixingCATERPILLAR INC·Filed 2023·Granted Jun 10, 2025·4 cites·20 claims
- 0396US9856835B1Fuel supply system for an engine with an electric ignition power sourceCATERPILLAR INC·Filed 2016·Granted Jan 2, 2018·13 cites·20 claims
- 0495US10760513B1Engine and method for exhaust aftertreatmentCATERPILLAR INC·Filed 2019·Granted Sep 1, 2020·17 cites·20 claims
- 0594US11815055B1Multi-fuel injector and methodCATERPILLAR INC·Filed 2022·Granted Nov 14, 2023·2 cites·20 claims
- 0694US11773792B1Multi-fuel injection system and injectorCATERPILLAR INC·Filed 2022·Granted Oct 3, 2023·5 cites·20 claims
- 0794US11118490B2Machine system for co-production of electrical power and water and method of operating sameCATERPILLAR INC·Filed 2020·Granted Sep 14, 2021·3 cites·18 claims
- 0894US10626856B2Cryogenic fluid pumpCATERPILLAR INC·Filed 2017·Granted Apr 21, 2020·30 cites·7 claims
- 0994US7111614B1Single fluid injector with rate shaping capabilityCATERPILLAR INC·Filed 2005·Granted Sep 26, 2006·24 cites·20 claims
- 1093US6113014ADual solenoids on a single circuit and fuel injector using sameCATERPILLAR INC·Filed 1998·Granted Sep 5, 2000·70 cites·20 claims
- 1192US12297795B1Multi-function fuel injector valve in dual fuel system and fuel system operating methodCATERPILLAR INC·Filed 2024·Granted May 13, 2025·5 cites·19 claims
- 1292US12085050B2Switching fuel rail for a diesel fuel engineCATERPILLAR INC·Filed 2022·Granted Sep 10, 2024·2 cites·20 claims
- 1392US9518518B2Dual fuel common rail transient pressure control and engine using sameCATERPILLAR INC·Filed 2013·Granted Dec 13, 2016·11 cites·20 claims
- 1492US9376992B2Dual fuel injector and fuel systemCATERPILLAR INC·Filed 2013·Granted Jun 28, 2016·16 cites·14 claims
- 1592US6279843B1Single pole solenoid assembly and fuel injector using sameCATERPILLAR INC·Filed 2000·Granted Aug 28, 2001·55 cites·20 claims
- 1691US6601566B2Fuel injector with directly controlled dual concentric check and engine using sameCATERPILLAR INC·Filed 2001·Granted Aug 5, 2003·38 cites·20 claims
- 1790US9506434B2Dual check fuel injector with single actuatorCOLDREN DANA R·Filed 2012·Granted Nov 29, 2016·8 cites·15 claims
- 1890US9212639B2Debris robust fuel injector with co-axial control valve members and fuel system using sameCATERPILLAR INC·Filed 2012·Granted Dec 15, 2015·9 cites·20 claims
- 1990US7111613B1Fuel injector control system and methodCATERPILLAR INC·Filed 2005·Granted Sep 26, 2006·21 cites·20 claims
- 2089US9915251B2Fuel system having serially arranged in-tank pumpsCATERPILLAR INC·Filed 2015·Granted Mar 13, 2018·5 cites·15 claims
- 2188US6595189B2Method of reducing noise in a mechanically actuated fuel injection system and engine using sameCATERPILLAR INC·Filed 2001·Granted Jul 22, 2003·31 cites·20 claims
- 2287US10247122B1Control system for turbocharged engine system and operating method for sameCATERPILLAR INC·Filed 2018·Granted Apr 2, 2019·3 cites·20 claims
- 2387US8944033B2Limp home capable dual fuel engine and machine using sameCOLDREN DANA R·Filed 2012·Granted Feb 3, 2015·7 cites·14 claims
- 2487US8496191B2Seal arrangement for a fuel injector needle valveGRANT MARION B·Filed 2008·Granted Jul 30, 2013·21 cites·23 claims
- 2586US10041447B2Pump manifoldCATERPILLAR INC·Filed 2015·Granted Aug 7, 2018·4 cites·19 claims
- 2686US9664122B2In-cylinder dynamic gas blending fuel injector and dual fuel engineCATERPILLAR INC·Filed 2015·Granted May 30, 2017·4 cites·16 claims
- 2786US9193362B2Consist power system having auxiliary load managementELECTRO MOTIVE DIESEL INC·Filed 2013·Granted Nov 24, 2015·9 cites·19 claims
- 2886US9068539B2Dual check fuel injector and fuel system using sameCOLDREN DANA R·Filed 2012·Granted Jun 30, 2015·6 cites·20 claims
- 2986US8925519B2Dual fuel common rail system and fuel injectorKIM HOISAN·Filed 2011·Granted Jan 6, 2015·7 cites·20 claims
- 3085US11125147B2Prechamber ignition system having hydraulically actuated pistonCATERPILLAR INC·Filed 2019·Granted Sep 21, 2021·2 cites·15 claims
- 3185US6830202B2Two stage intensifierCATERPILLAR INC·Filed 2002·Granted Dec 14, 2004·24 cites·24 claims
- 3284US12492670B2Dual fuel system having dual fuel injector and engine operating methodCATERPILLAR INC·Filed 2023·Granted Dec 9, 2025·0 cites·10 claims
- 3384US8434457B2System and method for cooling fuel injectorsCOLDREN DANA R·Filed 2010·Granted May 7, 2013·7 cites·20 claims
- 3483US9234468B2Fuel systemCATERPILLAR INC·Filed 2012·Granted Jan 12, 2016·7 cites·20 claims
- 3583US8820295B2Single actuator fuel injector for dual fuelsCOLDREN DANA R·Filed 2011·Granted Sep 2, 2014·8 cites·20 claims
- 3683US7707993B2Electronic pressure relief in a mechanically actuated fuel injectorCATERPILLAR INC·Filed 2008·Granted May 4, 2010·11 cites·7 claims
- 3782US6684854B2Auxiliary systems for an engine having two electrical actuators on a single circuitCATERPILLAR INC·Filed 2001·Granted Feb 3, 2004·23 cites·20 claims
- 3881US10060421B2Hydraulic drive multi-element cryogenic pumpCATERPILLAR INC·Filed 2015·Granted Aug 28, 2018·3 cites·13 claims
- 3980US9970421B2Dual-stage cryogenic pumpCATERPILLAR INC·Filed 2015·Granted May 15, 2018·2 cites·18 claims
- 4079US11815054B2Dual fuel system having dual fuel injector and engine operating methodCATERPILLAR INC·Filed 2022·Granted Nov 14, 2023·0 cites·18 claims
- 4179US10495083B2Reciprocating pushrod assembly and cryogenic pumpCATERPILLAR INC·Filed 2017·Granted Dec 3, 2019·2 cites·7 claims
- 4279US9562497B2Engine system having piezo actuated gas injectorCATERPILLAR INC·Filed 2014·Granted Feb 7, 2017·3 cites·20 claims
- 4379US6167869B1Fuel injector utilizing a multiple current level solenoidCATERPILLAR INC·Filed 1997·Granted Jan 2, 2001·36 cites·29 claims
- 4478US7523606B2Parasitic load control system for exhaust temperature controlCATERPILLAR INC·Filed 2005·Granted Apr 28, 2009·14 cites·44 claims
- 4578US6976474B1Mechanically actuated, electronically controlled fuel injection systemCATERPILLAR INC·Filed 2004·Granted Dec 20, 2005·18 cites·20 claims
- 4677US11008957B2Spill valve assembly for improved minimum delivery capability in fuel systemCATERPILLAR INC·Filed 2019·Granted May 18, 2021·1 cites·20 claims
- 4776US5961052AControl valve having a top mounted single pole solenoid for a fuel injectorCATERPILLAR INC·Filed 1997·Granted Oct 5, 1999·33 cites·19 claims
- 4875US5961045AControl valve having a solenoid with a permanent magnet for a fuel injectorCATERPILLAR INC·Filed 1997·Granted Oct 5, 1999·32 cites·20 claims
- 4974US12460596B2Fuel injector drive systemCATERPILLAR INC·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
- 5074US7059301B2End of injection rate shapingCATERPILLAR INC·Filed 2003·Granted Jun 13, 2006·15 cites·19 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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