Inventor
SOMMARS MARK F
US43 patents
⚠️ This page may combine multiple inventors who share the name “SOMMARS MARK F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
26 patentsUS5697342ADec 16, 1997
Hydraulically-actuated fuel injector with direct control needle valve
CATERPILLAR INC121 citations98
US5494219AFeb 27, 1996
Fuel injection control valve with dual solenoids
CATERPILLAR INC137 citations98
US5628293AMay 13, 1997
Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
CATERPILLAR INC77 citations96
US5551398ASep 3, 1996
Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check
CATERPILLAR INC68 citations96
US7588012B2Sep 15, 2009
Fuel system having variable injection pressure
CATERPILLAR INC29 citations92
US7451742B2Nov 18, 2008
Engine having common rail intensifier and method
CATERPILLAR INC22 citations92
US6530363B1Mar 11, 2003
Variable delivery pump and common rail fuel system using the same
CATERPILLAR INC39 citations92
US5878720AMar 9, 1999
Hydraulically actuated fuel injector with proportional control
CATERPILLAR INC51 citations92
US7398763B2Jul 15, 2008
Multi-source fuel system for variable pressure injection
CATERPILLAR INC11 citations84
US7179060B2Feb 20, 2007
Variable discharge pump with two pumping plungers and shared shuttle member
CATERPILLAR INC18 citations84
US9027534B2May 12, 2015
Dual fuel engine and strategy to avoid atmospheric venting
CATERPILLAR INC15 citations83
US5826802AOct 27, 1998
Damped check valve for fluid injector system
CATERPILLAR INC12 citations74
US9624845B2Apr 18, 2017
Dual fuel injector and engine using same
CATERPILLAR INC3 citations73
US9206778B2Dec 8, 2015
Dual fuel injector with F, A and Z orifice control
CATERPILLAR INC5 citations73
US6644277B2Nov 11, 2003
High pressure pump and engine system using the same
CATERPILLAR INC10 citations73
US5717372AFeb 10, 1998
Dual armature solenoid
CATERPILLAR INC12 citations73
US7762238B2Jul 27, 2010
Sleeve metered unit pump and fuel injection system using the same
CATERPILLAR INC2 citations63
US6354186B1Mar 12, 2002
Hydrostatic thrust bearing for a wobble plate pump
CATERPILLAR INC6 citations63
US6267561B1Jul 31, 2001
Variable delivery, fixed displacement pump
CATERPILLAR INC6 citations63
US6464473B2Oct 15, 2002
Pump apparatus for hydraulically powered fuel injection systems
CATERPILLAR INC3 citations62
US7690588B2Apr 6, 2010
Fuel injector nozzle with flow restricting device
CATERPILLAR INC3 citations60
US7506825B2Mar 24, 2009
Fuel injector control system
CATERPILLAR INC2 citations58
US9863333B2Jan 9, 2018
Dual fuel injector and engine using same
CATERPILLAR INC0 citations52
US9441587B2Sep 13, 2016
Pressure regulator having an integrated check valve
CATERPILLAR INC0 citations52
US9416760B2Aug 16, 2016
Three-way needle control valve and dual fuel injection system using same
CATERPILLAR INC1 citations52
US6364631B1Apr 2, 2002
Pump apparatus for hydraulically powered fuel injection systems
CATERPILLAR INC0 citations51
KIM HOISAN
9 patentsUS8967502B2Mar 3, 2015
Dual fuel injector and engine using same
KIM HOISAN22 citations92
US9234472B2Jan 12, 2016
Dual fuel engine and evaporated natural gas system
KIM HOISAN10 citations84
US8683979B2Apr 1, 2014
Dual fuel common rail system and engine using same
KIM HOISAN10 citations84
US8596561B2Dec 3, 2013
Dual fuel injector with hydraulic lock seal
KIM HOISAN16 citations84
US8522752B2Sep 3, 2013
Co-axial quill assembly for dual fuel common rail system
KIM HOISAN8 citations84
US9422899B2Aug 23, 2016
Dual fuel injector with hydraulic lock seal and liquid leak purge strategy
KIM HOISAN11 citations83
US8925519B2Jan 6, 2015
Dual fuel common rail system and fuel injector
KIM HOISAN7 citations83
US8844842B2Sep 30, 2014
Three-way needle control valve and dual fuel injection system using same
KIM HOISAN15 citations83
US8881709B2Nov 11, 2014
Fluid injector with back end rate shaping capability
KIM HOISAN4 citations73