Inventor
FEUCHT DENNIS D
US51 patents
⚠️ This page may combine multiple inventors who share the name “FEUCHT DENNIS D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
47 patentsUS6412279B1Jul 2, 2002
Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine
CATERPILLAR INC131 citations98
US6267106B1Jul 31, 2001
Induction venturi for an exhaust gas recirculation system in an internal combustion engine
CATERPILLAR INC104 citations98
US6216458B1Apr 17, 2001
Exhaust gas recirculation system
CATERPILLAR INC148 citations98
US6609374B2Aug 26, 2003
Bypass venturi assembly for an exhaust gas recirculation system
CATERPILLAR INC59 citations96
US6378509B1Apr 30, 2002
Exhaust gas recirculation system having multifunction valve
CATERPILLAR INC61 citations96
US5813231ASep 29, 1998
Engine compression braking apparatus utilizing a variable geometry turbocharger
CATERPILLAR INC62 citations96
US5647318AJul 15, 1997
Engine compression braking apparatus and method
CATERPILLAR INC65 citations96
US5540201AJul 30, 1996
Engine compression braking apparatus and method
CATERPILLAR INC42 citations96
US5531192AJul 2, 1996
Hydraulically actuated valve system
CATERPILLAR INC60 citations96
US6484499B2Nov 26, 2002
Twin variable nozzle turbine exhaust gas recirculation system
CATERPILLAR INC23 citations93
US6484500B1Nov 26, 2002
Two turbocharger engine emission control system
CATERPILLAR INC54 citations93
US6321537B1Nov 27, 2001
Exhaust gas recirculation system in an internal combustion engine
CATERPILLAR INC39 citations93
US5803025ASep 8, 1998
Blowby disposal system
CATERPILLAR INC48 citations93
US5615646AApr 1, 1997
Method and apparatus for holding a cylinder valve closed during combustion
CATERPILLAR INC41 citations93
US5606957AMar 4, 1997
Control system for exhaust gas recirculation
CATERPILLAR INC46 citations93
US6640542B2Nov 4, 2003
Bypass venturi assembly with single shaft actuator for an exhaust gas recirculation system
CATERPILLAR INC20 citations92
US6439212B1Aug 27, 2002
Bypass venturi assembly and elbow with turning vane for an exhaust gas recirculation system
CATERPILLAR INC28 citations92
US6237336B1May 29, 2001
Exhaust gas recirculation system in an internal combustion engine and method of using same
CATERPILLAR INC40 citations92
US6230695B1May 15, 2001
Exhaust gas recirculation system
CATERPILLAR INC38 citations92
US6192686B1Feb 27, 2001
Exhaust gas recirculation system
CATERPILLAR INC20 citations92
US6148793ANov 21, 2000
Engine compression braking apparatus utilizing a variable geometry turbocharger
CATERPILLAR INC39 citations92
US6135073AOct 24, 2000
Hydraulic check valve recuperation
CATERPILLAR INC36 citations92
US5615653AApr 1, 1997
Infinitely variable engine compression braking control and method
CATERPILLAR INC19 citations92
US6422217B1Jul 23, 2002
Back pressure valve drive EGR system
CATERPILLAR INC33 citations89
US5526784AJun 18, 1996
Simultaneous exhaust valve opening braking system
CATERPILLAR INC50 citations89
US5865156AFeb 2, 1999
Actuator which uses fluctuating pressure from an oil pump that powers a hydraulically actuated fuel injector
CATERPILLAR INC27 citations86
US6742503B2Jun 1, 2004
Dual pressure fluid system and method of use
CATERPILLAR INC15 citations84
US6418721B1Jul 16, 2002
Two turbocharger exhaust gas re-circulation system having a first stage variable nozzle turbine
CATERPILLAR INC17 citations84
US6659092B2Dec 9, 2003
Bypass assembly with annular bypass venturi for an exhaust gas recirculation system
CATERPILLAR INC18 citations83
US6609373B2Aug 26, 2003
Exhaust gas recirculation system with variable geometry turbine and bypass venturi assembly
CATERPILLAR INC19 citations83
US6185939B1Feb 13, 2001
Exhaust gas recirculation system
CATERPILLAR INC19 citations82
US5619964AApr 15, 1997
Actuator with concentric parts for use in engine retarding systems
CATERPILLAR INC14 citations82
US5603300AFeb 18, 1997
Wiring arrangement for an engine braking control
CATERPILLAR INC12 citations82
US5586533ADec 24, 1996
Engine compression braking valve actuator apparatus
CATERPILLAR INC13 citations82
US6092371AJul 25, 2000
Turbocharging apparatus including integral exhaust backpressure control means
CATERPILLAR INC18 citations80
US6405707B1Jun 18, 2002
Integral engine and engine compression braking HEUI injector
CATERPILLAR INC13 citations74
US6349686B1Feb 26, 2002
Hydraulically-driven valve and hydraulic system using same
CATERPILLAR INC7 citations74
US6116223ASep 12, 2000
Cam driven exhaust gas recirculation valve assembly
CATERPILLAR INC10 citations74
US6009704AJan 4, 2000
Exhaust gas recirculation system
CATERPILLAR INC8 citations74
US5709178AJan 20, 1998
Electronically controlled outwardly opening valve system for an engine
CATERPILLAR INC14 citations74
US5595158AJan 21, 1997
Dynamic positioning device for an engine brake control
CATERPILLAR INC10 citations74
US5586532ADec 24, 1996
Recirculation of actuating fluid in an engine braking system
CATERPILLAR INC9 citations74
US5570721ANov 5, 1996
Double acting solenoid and poppet valve servomechanism
CATERPILLAR INC16 citations73
US6164269ADec 26, 2000
Exhaust gas recirculation valve assembly having an integrated check valve
CATERPILLAR INC11 citations72
US6050248AApr 18, 2000
Exhaust gas recirculation valve powered by pressure from an oil pump that powers a hydraulically actuated fuel injector
CATERPILLAR INC10 citations70
US5694893ADec 9, 1997
Outward opening valve system for an engine
CATERPILLAR INC14 citations70
USRE36499EJan 18, 2000
Method and apparatus for holding a cylinder valve closed during combustion
CATERPILLAR INC2 citations63
CATERPILLAR TRACTOR CO
3 patentsShowing the top 50 of 51 patents by PatentIndex Score.