Inventor · disambiguated record
Scott F. Shafer
Also filed as: SHAFER SCOTT · SHAFER SCOTT F
69 granted patents·14 pending applications·1,254 citations·filing 1986–2019
99Inventor score
Top patents by PatentIndex Score
83 records- 0197US6715693B1Thin film coating for fuel injector componentsCATERPILLAR INC·Filed 2000·Granted Apr 6, 2004·65 cites·27 claims
- 0296US8287256B2Valve assemblySHAFER SCOTT F·Filed 2007·Granted Oct 16, 2012·33 cites·16 claims
- 0395US8291889B2Pressure control in low static leak fuel systemSHAFER SCOTT F·Filed 2009·Granted Oct 23, 2012·86 cites·14 claims
- 0495US6725838B2Fuel injector having dual mode capabilities and engine using sameCATERPILLAR INC·Filed 2002·Granted Apr 27, 2004·65 cites·61 claims
- 0594US6769635B2Mixed mode fuel injector with individually moveable needle valve membersCATERPILLAR INC·Filed 2003·Granted Aug 3, 2004·94 cites·20 claims
- 0693US4721081AFlame incubating and propagating apparatus for a fuel combustion systemCATERPILLAR INC·Filed 1986·Granted Jan 26, 1988·102 cites·21 claims
- 0792US6173913B1Ceramic check for a fuel injectorCATERPILLAR INC·Filed 1999·Granted Jan 16, 2001·95 cites·24 claims
- 0891US7819107B2Pumping element for a fluid pump and methodCATERPILLAR INC·Filed 2008·Granted Oct 26, 2010·15 cites·25 claims
- 0991US5515829AVariable-displacement actuating fluid pump for a HEUI fuel systemCATERPILLAR INC·Filed 1994·Granted May 14, 1996·87 cites·3 claims
- 1089US6951204B2Hydraulic fuel injection system with independently operable direct control needle valveCATERPILLAR INC·Filed 2003·Granted Oct 4, 2005·27 cites·38 claims
- 1188US9957940B2Fluid conditioning moduleCATERPILLAR INC·Filed 2015·Granted May 1, 2018·4 cites·18 claims
- 1288US9909468B2Fluid conditioning system with recirculation loop and method for operating sameCATERPILLAR INC·Filed 2015·Granted Mar 6, 2018·4 cites·20 claims
- 1387US5084606AEncapsulated heating filament for glow plugCATERPILLAR INC·Filed 1990·Granted Jan 28, 1992·61 cites·15 claims
- 1486US10519877B2Mitigation of intermittent cylinder misfire on dual fuel enginesCATERPILLAR INC·Filed 2016·Granted Dec 31, 2019·3 cites·17 claims
- 1585US6655602B2Fuel injector having a hydraulically actuated control valve and hydraulic system using sameCATERPILLAR INC·Filed 2001·Granted Dec 2, 2003·25 cites·20 claims
- 1683US6973921B2Fuel pumping system and methodCATERPILLAR INC·Filed 2003·Granted Dec 13, 2005·18 cites·12 claims
- 1783US5651345ADirect operated check HEUI injectorCATERPILLAR INC·Filed 1995·Granted Jul 29, 1997·42 cites·22 claims
- 1882US7150268B2Fuel pumping system and methodCATERPILLAR INC·Filed 2005·Granted Dec 19, 2006·9 cites·14 claims
- 1982US6978760B2Mixed mode fuel injector and injection systemCATERPILLAR INC·Filed 2003·Granted Dec 27, 2005·25 cites·20 claims
- 2081US6823287B2Method for predicting the quality of a productCATERPILLAR INC·Filed 2002·Granted Nov 23, 2004·17 cites·21 claims
- 2180US7690353B2Synchronizing common rail pumping events with engine operationCATERPILLAR INC·Filed 2007·Granted Apr 6, 2010·9 cites·16 claims
- 2280US7444989B2Opposed pumping load high pressure common rail fuel pumpCATERPILLAR INC·Filed 2006·Granted Nov 4, 2008·10 cites·20 claims
- 2380US5421359AEngine valve seating velocity hydraulic snubberCATERPILLAR INC·Filed 1992·Granted Jun 6, 1995·34 cites·18 claims
- 2478US7451741B1High-pressure pumpCATERPILLAR INC·Filed 2007·Granted Nov 18, 2008·10 cites·24 claims
- 2576US7021557B2Thin film coatings for fuel injector componentsCATERPILLAR INC·Filed 2004·Granted Apr 4, 2006·12 cites·29 claims
- 2675US9440169B2Fuel filtration system, filter exchange module therefor, and method of replacing fuel filtersSHAFER SCOTT F·Filed 2012·Granted Sep 13, 2016·5 cites·14 claims
- 2775US7272532B2Method for predicting the quality of a productCATERPILLAR INC·Filed 2004·Granted Sep 18, 2007·7 cites·23 claims
- 2875US6354270B1Hydraulically actuated fuel injector including a pilot operated spool valve assembly and hydraulic system using sameCATERPILLAR INC·Filed 2000·Granted Mar 12, 2002·17 cites·20 claims
- 2974US5084607AInterference connection between a heating element and body of a glow plugCATERPILLAR INC·Filed 1989·Granted Jan 28, 1992·34 cites·15 claims
- 3074US5075536AHeating element assembly for glow plugCATERPILLAR INC·Filed 1990·Granted Dec 24, 1991·33 cites·37 claims
- 3173US10830194B2Common rail fuel system having pump-accumulator injectorsCATERPILLAR INC·Filed 2016·Granted Nov 10, 2020·1 cites·8 claims
- 3273US10029193B2Dual loop fuel filtration system with controllerCATERPILLAR INC·Filed 2016·Granted Jul 24, 2018·2 cites·20 claims
- 3373US7517200B2Variable discharge fuel pumpCATERPILLAR INC·Filed 2004·Granted Apr 14, 2009·15 cites·6 claims
- 3473US6769405B2Engine with high efficiency hydraulic system having variable timing valve actuationCATERPILLAR INC·Filed 2002·Granted Aug 3, 2004·14 cites·20 claims
- 3572US8240291B2Pressure relief valveIBRAHIM DANIEL R·Filed 2009·Granted Aug 14, 2012·6 cites·16 claims
- 3672US8006715B2Valve with thin-film coatingCATERPILLAR INC·Filed 2007·Granted Aug 30, 2011·6 cites·25 claims
- 3772US7392790B2System and method for resolving crossed electrical leadsCATERPILLAR INC·Filed 2006·Granted Jul 1, 2008·7 cites·23 claims
- 3871US10036314B2Fuel system flush circuitry and method for operating the sameCATERPILLAR INC·Filed 2016·Granted Jul 31, 2018·1 cites·13 claims
- 3971US9447740B2Engine system having hydraulically actuated gas injectorCATERPILLAR INC·Filed 2014·Granted Sep 20, 2016·2 cites·19 claims
- 4070US10208727B2Fluid conditioning moduleCATERPILLAR INC·Filed 2015·Granted Feb 19, 2019·1 cites·18 claims
- 4170US7331329B2Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using sameCATERPILLAR INC·Filed 2002·Granted Feb 19, 2008·13 cites·18 claims
- 4269US9797342B2Port injection system for gaseous fuelsCATERPILLAR INC·Filed 2014·Granted Oct 24, 2017·3 cites·18 claims
- 4366US10036401B2Recirculating pump inletCATERPILLAR INC·Filed 2015·Granted Jul 31, 2018·1 cites·13 claims
- 4464US7370635B2System and method for resolving electrical leadsCATERPILLAR INC·Filed 2006·Granted May 13, 2008·5 cites·22 claims
- 4563US6886762B2Nozzle insert for dual mode fuel injectorCATERPILLAR INC·Filed 2001·Granted May 3, 2005·10 cites·19 claims
- 4663US6766792B2Engine component actuation moduleCATERPILLAR INC·Filed 2002·Granted Jul 27, 2004·11 cites·17 claims
- 4762US11566545B2Cam actuated gas admission valve with electro-hydraulic trim controlCATERPILLAR INC·Filed 2019·Granted Jan 31, 2023·0 cites·18 claims
- 4862US8002206B2Avoidance of spark damage on valve membersCATERPILLAR INC·Filed 2006·Granted Aug 23, 2011·3 cites·22 claims
- 4962US5832954ACheck valve assembly for inhibiting Helmholtz resonanceCATERPILLAR INC·Filed 1994·Granted Nov 10, 1998·22 cites·3 claims
- 5062US5606940AEngine valve seating velocity hydraulic snubberCATERPILLAR INC·Filed 1995·Granted Mar 4, 1997·19 cites·5 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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