Assignee
HYDRAULIK RING GMBH
US·102 granted patents·6 pending applications·1,519 citations·filing 1992–2010
Top patents by PatentIndex Score
108 records- 0192US7640902B2Rotor for vane-type motor with reduced leakageHYDRAULIK RING GMBH·Filed 2006·Granted Jan 5, 2010·21 cites·15 claims
- 0292US7600531B2Valve with check valveHYDRAULIK RING GMBH·Filed 2006·Granted Oct 13, 2009·37 cites·15 claims
- 0392US7198013B2Device and method for the relative rotational adjustment of a camshaft and a drive wheel of an internal combustion engineHYDRAULIK RING GMBH·Filed 2005·Granted Apr 3, 2007·19 cites·12 claims
- 0492US6899126B2Check valve and valve arrangement comprising such a check valveHYDRAULIK RING GMBH·Filed 2002·Granted May 31, 2005·54 cites·19 claims
- 0591US7946266B2Hydraulic circuit, particularly for camshaft adjusters, and corresponding control elementHYDRAULIK RING GMBH·Filed 2008·Granted May 24, 2011·23 cites·13 claims
- 0691US6315268B1Solenoid and hydraulic valve with a solenoidHYDRAULIK RING GMBH·Filed 2000·Granted Nov 13, 2001·83 cites·12 claims
- 0790US7594516B2Freeze-resistant metering valveHYDRAULIK RING GMBH·Filed 2006·Granted Sep 29, 2009·18 cites·18 claims
- 0890US7497193B2Rotor of a camshaft adjusterHYDRAULIK RING GMBH·Filed 2007·Granted Mar 3, 2009·14 cites·13 claims
- 0990US6374784B1Valve control mechanism for intake and exhaust valves of internal combustion enginesHYDRAULIK RING GMBH·Filed 1999·Granted Apr 23, 2002·61 cites·46 claims
- 1088US6941912B2Device and method for the relative rotational adjustment of a camshaft and a drive wheel of an internal combustion engineHYDRAULIK RING GMBH·Filed 2004·Granted Sep 13, 2005·27 cites·5 claims
- 1188US6085708ADevice for hydraulic rotational angle adjustment of a shaft relative to a drive wheelHYDRAULIK RING GMBH·Filed 1998·Granted Jul 11, 2000·51 cites·11 claims
- 1287US7513230B2Camshaft adjusting deviceHYDRAULIK RING GMBH·Filed 2005·Granted Apr 7, 2009·18 cites·15 claims
- 1386US7836857B2Hydraulic circuit, particularly for camshaft adjusters, and corresponding control elementHYDRAULIK RING GMBH·Filed 2008·Granted Nov 23, 2010·11 cites·6 claims
- 1486US5911400ASolenoid valve and method for its manufactureHYDRAULIK RING GMBH·Filed 1996·Granted Jun 15, 1999·48 cites·23 claims
- 1583US6871621B2Camshaft adjuster for internal combustion engines of motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Mar 29, 2005·21 cites·33 claims
- 1682US7000381B2Device for exhaust gas after treatment of motor vehicles, in particular, diesel engine vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Feb 21, 2006·23 cites·26 claims
- 1782US6336470B1Directional seat valveHYDRAULIK RING GMBH·Filed 2000·Granted Jan 8, 2002·24 cites·11 claims
- 1881US7603973B2Variable mechanical valve control for an internal combustion engineHYDRAULIK RING GMBH·Filed 2007·Granted Oct 20, 2009·7 cites·15 claims
- 1981US6814036B2Valve control for adjusting the stroke of valves of motor vehicle enginesHYDRAULIK RING GMBH·Filed 2003·Granted Nov 9, 2004·18 cites·10 claims
- 2081US6681732B2Control device for switching intake and exhaust valves of internal combustion enginesHYDRAULIK RING GMBH·Filed 2001·Granted Jan 27, 2004·19 cites·24 claims
- 2181US6578606B2Solenoid valve, in particular, a pressure control valveHYDRAULIK RING GMBH·Filed 2001·Granted Jun 17, 2003·25 cites·9 claims
- 2280US7331318B2Camshaft adjuster with play-free lockingHYDRAULIK RING GMBH·Filed 2006·Granted Feb 19, 2008·12 cites·10 claims
- 2380US7278385B2Camshaft adjuster with a locking position that, with regard to design, is freely selectableHYDRAULIK RING GMBH·Filed 2006·Granted Oct 9, 2007·8 cites·25 claims
- 2480US5597367AApparatus for tensioning of a cam shaft driveHYDRAULIK RING GMBH·Filed 1994·Granted Jan 28, 1997·33 cites·15 claims
- 2579US6397891B1Hydraulic valve, in particular, adjustable pressure control valveHYDRAULIK RING GMBH·Filed 2000·Granted Jun 4, 2002·43 cites·13 claims
- 2678US7497232B2Pressure control valveHYDRAULIK RING GMBH·Filed 2005·Granted Mar 3, 2009·11 cites·24 claims
- 2778US7069951B2Proportional solenoid valve for a camshaft adjusting device of motor vehiclesHYDRAULIK RING GMBH·Filed 2004·Granted Jul 4, 2006·22 cites·18 claims
- 2877US6053138ADevice for hydraulic rotational angle adjustment of a shaft relative to a drive wheelHYDRAULIK RING GMBH·Filed 1998·Granted Apr 25, 2000·30 cites·20 claims
- 2976US6289921B1Hydraulic valve, especially for controlling a camshaft movement in a motor vehicleHYDRAULIK RING GMBH·Filed 1998·Granted Sep 18, 2001·49 cites·9 claims
- 3075US6968815B2Actuating device for securing a camshaft of an engine of a motor vehicle in a start positionHYDRAULIK RING GMBH·Filed 2004·Granted Nov 29, 2005·10 cites·20 claims
- 3175US6923223B2Storage device for a liquid mediumHYDRAULIK RING GMBH·Filed 2003·Granted Aug 2, 2005·14 cites·21 claims
- 3275US5941611AActuating device for brakes of a vehicle, preferably a motor vehicleHYDRAULIK RING GMBH·Filed 1997·Granted Aug 24, 1999·26 cites·30 claims
- 3373US7156239B2Filter unit for freezable liquids, particularly for a metering unit of an exhaust gas treatment deviceHYDRAULIK RING GMBH·Filed 2003·Granted Jan 2, 2007·20 cites·17 claims
- 3473US7047931B2Control device for at least one consumer, such as a camshaft adjuster, automatic transmission and the like, of motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted May 23, 2006·15 cites·3 claims
- 3571US6739297B2Actuating device for securing a camshaft of an engine of a motor vehicle in a start positionHYDRAULIK RING GMBH·Filed 2001·Granted May 25, 2004·9 cites·11 claims
- 3671US5323809AHydraulic solenoid valveHYDRAULIK RING GMBH·Filed 1992·Granted Jun 28, 1994·31 cites·19 claims
- 3768US7246580B2Camshaft adjuster for vehicles, especially motor vehiclesHYDRAULIK RING GMBH·Filed 2004·Granted Jul 24, 2007·12 cites·28 claims
- 3868US7004129B2Camshaft adjusting device for vehicles, especially motor vehiclesHYDRAULIK RING GMBH·Filed 2004·Granted Feb 28, 2006·11 cites·14 claims
- 3968US6419607B1Actuating device for a differential lock, preferably a frictional lockHYDRAULIK RING GMBH·Filed 2000·Granted Jul 16, 2002·12 cites·15 claims
- 4068US5592972AElectroproportional solenoid valve unitHYDRAULIK RING GMBH·Filed 1995·Granted Jan 14, 1997·19 cites·6 claims
- 4167US5916326AControl device using a single actuator to rotate and translate a shift selector for automatically operating a manual transmission of a vehicleHYDRAULIK RING GMBH·Filed 1997·Granted Jun 29, 1999·20 cites·22 claims
- 4265US6407362B1Protective device for producing very small bores in tubular components, and method for producing boresHYDRAULIK RING GMBH·Filed 1999·Granted Jun 18, 2002·26 cites·19 claims
- 4364US7418935B2Stroke adjusting device for valves of a combustion engineHYDRAULIK RING GMBH·Filed 2003·Granted Sep 2, 2008·8 cites·3 claims
- 4464US7121553B2Bushing for a hydraulic valveHYDRAULIK RING GMBH·Filed 2004·Granted Oct 17, 2006·10 cites·13 claims
- 4564US6387000B1Pressure medium supply arrangement for a continuous variable transmissionHYDRAULIK RING GMBH·Filed 2000·Granted May 14, 2002·13 cites·9 claims
- 4664US6223763B1Hydraulic system for actuating at least two operational areas in a vehicleHYDRAULIK RING GMBH·Filed 1999·Granted May 1, 2001·22 cites·18 claims
- 4763US7296689B2Filter cartridge for liquid media at risk for freezing, particularly for use in fuel cell operated vehicles and in internal combustion enginesHYDRAULIK RING GMBH·Filed 2003·Granted Nov 20, 2007·11 cites·21 claims
- 4863US6851326B2Control device for a semiautomatic gearshift mechanism of vehicles, preferably motor vehiclesHYDRAULIK RING GMBH·Filed 2002·Granted Feb 8, 2005·9 cites·38 claims
- 4962US6814103B2Solenoid valve, in particular, a pressure control valveHYDRAULIK RING GMBH·Filed 2003·Granted Nov 9, 2004·9 cites·6 claims
- 5062US6053137ADevice for supplying pressure medium and/or lubricant to a hydraulic consumer in an internal combustion engineHYDRAULIK RING GMBH·Filed 1998·Granted Apr 25, 2000·19 cites·20 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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