Inventor
CARROLL III JOHN T
US39 patents
⚠️ This page may combine multiple inventors who share the name “CARROLL III JOHN T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS ENGINE CO INC
14 patentsUS5819704AOct 13, 1998
Needle controlled fuel system with cyclic pressure generation
CUMMINS ENGINE CO INC79 citations96
US5676114AOct 14, 1997
Needle controlled fuel system with cyclic pressure generation
CUMMINS ENGINE CO INC71 citations96
US5607106AMar 4, 1997
Low inertia, wear-resistant valve for engine fuel injection systems
CUMMINS ENGINE CO INC71 citations95
US5409165AApr 25, 1995
Wear resistant fuel injector plunger assembly
CUMMINS ENGINE CO INC63 citations95
US6557779B2May 6, 2003
Variable spray hole fuel injector with dual actuators
CUMMINS ENGINE CO INC53 citations92
US5899136AMay 4, 1999
Low leakage plunger and barrel assembly for high pressure fluid system
CUMMINS ENGINE CO INC51 citations92
US5435234AJul 25, 1995
Mechanically retained wear-resistant ceramic pad
CUMMINS ENGINE CO INC21 citations92
US5435286AJul 25, 1995
Ball link assembly for vehicle engine drive trains
CUMMINS ENGINE CO INC52 citations92
US5765755AJun 16, 1998
Injection rate shaping nozzle assembly for a fuel injector
CUMMINS ENGINE CO INC36 citations90
US6550455B2Apr 22, 2003
Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery
CUMMINS ENGINE CO INC7 citations74
US5542315AAug 6, 1996
Elephant's foot adjusting screw assembly for internal combustion engine
CUMMINS ENGINE CO INC7 citations73
US5410995AMay 2, 1995
Valve crosshead assembly with wear-reducing contact pad
CUMMINS ENGINE CO INC7 citations73
US5279211AJan 18, 1994
Mechanically retained wear-resistant ceramic pad
CUMMINS ENGINE CO INC15 citations73
US5621160AApr 15, 1997
Apparatus and method for determining start of injection in a fuel injected internal combustion engine
CUMMINS ENGINE CO INC7 citations72
CUMMINS INC
12 patentsUS6823834B2Nov 30, 2004
System for estimating auxiliary-injected fueling quantities
CUMMINS INC80 citations98
US6557530B1May 6, 2003
Fuel control system including adaptive injected fuel quantity estimation
CUMMINS INC123 citations98
US6497223B1Dec 24, 2002
Fuel injection pressure control system for an internal combustion engine
CUMMINS INC61 citations96
US6439202B1Aug 27, 2002
Hybrid electronically controlled unit injector fuel system
CUMMINS INC70 citations96
US6637675B2Oct 28, 2003
Rate shaping fuel injector with limited throttling
CUMMINS INC33 citations93
US6990855B2Jan 31, 2006
System for estimating a quantity of parasitic leakage from a fuel injection system
CUMMINS INC31 citations92
US6705543B2Mar 16, 2004
Variable pressure fuel injection system with dual flow rate injector
CUMMINS INC48 citations92
US6557776B2May 6, 2003
Fuel injector with injection rate control
CUMMINS INC46 citations92
US6353791B1Mar 5, 2002
Apparatus and method for determining engine static timing errors and overall system bandwidth
CUMMINS INC36 citations92
US6405709B1Jun 18, 2002
Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery
CUMMINS INC11 citations74
US6832748B2Dec 21, 2004
Outwardly opening, seat-sealed, force balanced, hydraulic valve and actuator assembly
CUMMINS INC6 citations63
US6637776B2Oct 28, 2003
Fluid manifold connector and fluid manifold assembly
CUMMINS INC5 citations61
CUMMINS FILTRATION IP INC
8 patentsUS10184415B2Jan 22, 2019
Electronic filter detection feature for liquid filtration systems
CUMMINS FILTRATION IP INC15 citations93
US9597620B2Mar 21, 2017
Apparatus, system and method for detecting the presence of genuine serviceable product components
CUMMINS FILTRATION IP INC18 citations90
US11739718B2Aug 29, 2023
Electronic filter detection feature for liquid filtration systems
CUMMINS FILTRATION IP INC1 citations72
US8931261B2Jan 13, 2015
Apparatus, system, and method for diverting fluid
CUMMINS FILTRATION IP INC1 citations62
US12203432B2Jan 21, 2025
Electronic filter detection feature for liquid filtration systems
CUMMINS FILTRATION IP INC0 citations61
US11680547B2Jun 20, 2023
Electronic filter detection feature for liquid filtration systems
CUMMINS FILTRATION IP INC0 citations61
US11015556B2May 25, 2021
Electronic filter detection feature for liquid filtration systems
CUMMINS FILTRATION IP INC0 citations61
US7845162B2Dec 7, 2010
Apparatus, system, and method for diverting fluid
CUMMINS FILTRATION IP INC0 citations52