Assignee
DIESEL ENGINE RETARDERS INC
US·61 granted patents·3,657 citations·filing 1994–2003
Top patents by PatentIndex Score
61 records- 0198US6422186B1Lost motion rocker arm system with integrated compression brakeDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Jul 23, 2002·105 cites·45 claims
- 0298US6244257B1Internal combustion engine with combined cam and electro-hydraulic engine valve controlDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Jun 12, 2001·101 cites·22 claims
- 0398US5829397ASystem and method for controlling the amount of lost motion between an engine valve and a valve actuation meansDIESEL ENGINE RETARDERS INC·Filed 1996·Granted Nov 3, 1998·141 cites·33 claims
- 0498US5680841AInternal combustion engines with combined cam and electro-hydraulic engine valve controlDIESEL ENGINE RETARDERS INC·Filed 1996·Granted Oct 28, 1997·162 cites·38 claims
- 0598US5537976AFour-cycle internal combustion engines with two-cycle compression release brakingDIESEL ENGINE RETARDERS INC·Filed 1995·Granted Jul 23, 1996·168 cites·32 claims
- 0697US6510824B2Variable lost motion valve actuator and methodDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Jan 28, 2003·130 cites·90 claims
- 0797US6415752B1Captive volume accumulator for a lost motion systemDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Jul 9, 2002·73 cites·15 claims
- 0897US6082328AMethod and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engineDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jul 4, 2000·87 cites·33 claims
- 0997US6012424AMethod and apparatus to accomplish exhaust gas recirculation and/or engine braking to overhead cam internal combustion enginesDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Jan 11, 2000·80 cites·52 claims
- 1096US6594996B2Method and system for engine braking in an internal combustion engine with exhaust pressure regulation and turbocharger controlDIESEL ENGINE RETARDERS INC·Filed 2001·Granted Jul 22, 2003·83 cites·22 claims
- 1196US6125828AInternal combustion engine with combined cam and electro-hydraulic engine valve controlDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Oct 3, 2000·79 cites·14 claims
- 1296US6085705AVariable lost motion valve actuator and methodDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jul 11, 2000·81 cites·21 claims
- 1396US6000374AMulti-cycle, engine braking with positive power valve actuation control system and process for using the sameDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Dec 14, 1999·104 cites·21 claims
- 1496US5479890ACompression release engine brakes with electronically controlled, multi-coil hydraulic valvesDIESEL ENGINE RETARDERS INC·Filed 1994·Granted Jan 2, 1996·96 cites·15 claims
- 1595US6474277B1Method and apparatus for valve seating velocity controlDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Nov 5, 2002·55 cites·43 claims
- 1695US6354254B1Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive powerDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Mar 12, 2002·64 cites·16 claims
- 1795US6192841B1Device to limit valve seating velocities in limited lost motion tappetsDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Feb 27, 2001·77 cites·28 claims
- 1895US5839453AInternal combustion engines with combined cam and electro-hydraulic engine valve controlDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Nov 24, 1998·75 cites·27 claims
- 1995US5718199AElectronic controls for compression release engine brakesDIESEL ENGINE RETARDERS INC·Filed 1994·Granted Feb 17, 1998·72 cites·26 claims
- 2094US6189504B1System for combination compression release braking and exhaust gas recirculationDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Feb 20, 2001·109 cites·15 claims
- 2194US5967115AElectronic controls for compression release engine brakesDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Oct 19, 1999·66 cites·22 claims
- 2294US5809964AMethod and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engineDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Sep 22, 1998·66 cites·86 claims
- 2394US5619965ACamless engines with compression release brakingDIESEL ENGINE RETARDERS INC·Filed 1995·Granted Apr 15, 1997·89 cites·27 claims
- 2493US6694933B1Lost motion system and method for fixed-time valve actuationDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Feb 24, 2004·61 cites·23 claims
- 2593US6412457B1Engine valve actuator with valve seating controlDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jul 2, 2002·54 cites·23 claims
- 2693US6257183B1Lost motion full authority valve actuation systemDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jul 10, 2001·68 cites·22 claims
- 2793US5787859AMethod and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engineDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Aug 4, 1998·67 cites·44 claims
- 2892US6321701B1Lost motion valve actuation systemDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Nov 27, 2001·72 cites·13 claims
- 2991US6591795B2Captive volume accumulator for a lost motion systemDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Jul 15, 2003·31 cites·26 claims
- 3091US6450144B2Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motionDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Sep 17, 2002·55 cites·38 claims
- 3191US6394067B1Apparatus and method to supply oil, and activate rocker brake for multi-cylinder retardingDIESEL ENGINE RETARDERS INC·Filed 2000·Granted May 28, 2002·64 cites·16 claims
- 3291US5462025AHydraulic circuits for compression release engine brakesDIESEL ENGINE RETARDERS INC·Filed 1994·Granted Oct 31, 1995·55 cites·19 claims
- 3390US6691674B2Latched reset mechanism for engine brakeDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Feb 17, 2004·38 cites·26 claims
- 3490US6647954B2Method and system of improving engine braking by variable valve actuationDIESEL ENGINE RETARDERS INC·Filed 2001·Granted Nov 18, 2003·38 cites·29 claims
- 3590US6550433B2Engine valve actuator with valve seating controlDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Apr 22, 2003·28 cites·16 claims
- 3690US6293237B1Variable lost motion valve actuator and methodDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Sep 25, 2001·32 cites·6 claims
- 3790US5975251ARocker brake assembly with hydraulic lockDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Nov 2, 1999·57 cites·6 claims
- 3890US5746175AFour-cycle internal combustion engines with two-cycle compression release brakingDIESEL ENGINE RETARDERS INC·Filed 1996·Granted May 5, 1998·56 cites·20 claims
- 3989US6273057B1Hydraulically-actuated fail-safe stroke-limiting pistonDIESEL ENGINE RETARDERS INC·Filed 1999·Granted Aug 14, 2001·55 cites·27 claims
- 4089US6170474B1Method and system for controlled exhaust gas recirculation in an internal combustion engine with application to retarding and powering functionDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jan 9, 2001·69 cites·23 claims
- 4189US6152104AIntegrated lost motion system for retarding and EGRDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Nov 28, 2000·50 cites·2 claims
- 4289US5996550AApplied lost motion for optimization of fixed timed engine brake systemDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Dec 7, 1999·57 cites·26 claims
- 4388US6302370B1Valve seating control device with variable area orificeDIESEL ENGINE RETARDERS INC·Filed 1999·Granted Oct 16, 2001·47 cites·28 claims
- 4488US6179096B1Exhaust brake variable bypass circuitDIESEL ENGINE RETARDERS INC·Filed 1997·Granted Jan 30, 2001·66 cites·23 claims
- 4587US6718940B2Hydraulic lash adjuster with compression release brakeDIESEL ENGINE RETARDERS INC·Filed 2001·Granted Apr 13, 2004·28 cites·26 claims
- 4687US6109027AExhaust restriction deviceDIESEL ENGINE RETARDERS INC·Filed 1999·Granted Aug 29, 2000·59 cites·17 claims
- 4787US5460131ACompact combined lash adjuster and reset mechanism for compression release engine brakesDIESEL ENGINE RETARDERS INC·Filed 1994·Granted Oct 24, 1995·49 cites·4 claims
- 4886US6866017B2Method and system for engine braking in an internal combustion engine using a stroke limited high pressure engine brakeDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Mar 15, 2005·32 cites·14 claims
- 4984US6267098B1Valve operating system having full authority lost motionDIESEL ENGINE RETARDERS INC·Filed 1998·Granted Jul 31, 2001·39 cites·27 claims
- 5081US6394050B1Actuator piston assembly for a rocker arm systemDIESEL ENGINE RETARDERS INC·Filed 2000·Granted May 28, 2002·20 cites·15 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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