Inventor · disambiguated record
Alfred Trzmiel
Also filed as: TRZMIEL ALFRED
38 granted patents·3 pending applications·599 citations·filing 1991–2016
98Inventor score
Top patents by PatentIndex Score
41 records- 0190US6374784B1Valve control mechanism for intake and exhaust valves of internal combustion enginesHYDRAULIK RING GMBH·Filed 1999·Granted Apr 23, 2002·61 cites·46 claims
- 0288US6085708ADevice 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
- 0388US5606941AVariable timing camshaft drive systemPORSCHE AG·Filed 1995·Granted Mar 4, 1997·54 cites·16 claims
- 0484US5109813AChain drive tensioning and adjusting arrangementPORSCHE AG·Filed 1991·Granted May 5, 1992·39 cites·6 claims
- 0581US6814036B2Valve control for adjusting the stroke of valves of motor vehicle enginesHYDRAULIK RING GMBH·Filed 2003·Granted Nov 9, 2004·18 cites·10 claims
- 0680US5597367AApparatus for tensioning of a cam shaft driveHYDRAULIK RING GMBH·Filed 1994·Granted Jan 28, 1997·33 cites·15 claims
- 0777US6053138ADevice 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
- 0875US6968815B2Actuating 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
- 0975US6923223B2Storage device for a liquid mediumHYDRAULIK RING GMBH·Filed 2003·Granted Aug 2, 2005·14 cites·21 claims
- 1075US6205965B1Device for adjusting the relative rotational background of camshaftsPORSCHE AG·Filed 1999·Granted Mar 27, 2001·27 cites·17 claims
- 1175US5941611AActuating device for brakes of a vehicle, preferably a motor vehicleHYDRAULIK RING GMBH·Filed 1997·Granted Aug 24, 1999·26 cites·30 claims
- 1273US5117786AChain tensioner for an internal-combustion enginePORSCHE AG·Filed 1991·Granted Jun 2, 1992·27 cites·12 claims
- 1371US6739297B2Actuating 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
- 1464US6668777B2Arrangement for the relative angle-of-rotation adjustment of a camshaft of an internal-combustion engine with respect to a driving wheelPORSCHE AG·Filed 2002·Granted Dec 30, 2003·9 cites·2 claims
- 1564US6223763B1Hydraulic system for actuating at least two operational areas in a vehicleHYDRAULIK RING GMBH·Filed 1999·Granted May 1, 2001·22 cites·18 claims
- 1663US6851326B2Control device for a semiautomatic gearshift mechanism of vehicles, preferably motor vehiclesHYDRAULIK RING GMBH·Filed 2002·Granted Feb 8, 2005·9 cites·38 claims
- 1762US6053137ADevice 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
- 1862US5887851AControl device, especially for a transmission of a motor vehicle, as well as a method for manufacturing such a control deviceHYDRAULIK RING GMBH·Filed 1996·Granted Mar 30, 1999·15 cites·6 claims
- 1962US5301781AClutch for vehiclesHYDRAULIK RING GMBH·Filed 1992·Granted Apr 12, 1994·16 cites·9 claims
- 2059US6222360B1Arrangement for determining the position of an object of measurement without contacting the objectHYDRAULIK RING GMBH·Filed 1999·Granted Apr 24, 2001·15 cites·26 claims
- 2157US6474749B2Hydraulic system for actuating at least two operating systems of a motor vehicleHYDRAULIK RING GMBH·Filed 2001·Granted Nov 5, 2002·5 cites·12 claims
- 2256US5623852AAdjusting drive system for transmission of motorized vehiclesHYDRAULIK RING GMBH·Filed 1994·Granted Apr 29, 1997·16 cites·8 claims
- 2355US6981429B2Actuating device, especially a hydraulic or pneumatic actuator, for transmissions of vehicles, particularly motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Jan 3, 2006·6 cites·33 claims
- 2453US5821671AActuating device, preferably for vehicles, especially for motor vehiclesHYDRAULIK RING GMBH·Filed 1997·Granted Oct 13, 1998·11 cites·10 claims
- 2551US7107952B2Actuating device for securing a camshaft of an engine of a motor vehicle in a start positionHYDRAULIK RING GMBH·Filed 2004·Granted Sep 19, 2006·3 cites·9 claims
- 2649US6202699B1Solenoid valveHYDRAULIK RING GMBH·Filed 1999·Granted Mar 20, 2001·13 cites·26 claims
- 2749US5706712AAdjusting drive for transmission of motorized vehiclesHYDRAULIK RING GMBH·Filed 1994·Granted Jan 13, 1998·12 cites·4 claims
- 2847US5120278AArrangement for the tensioning and adjusting of a camshaft chain drivePORSCHE AG·Filed 1991·Granted Jun 9, 1992·15 cites·24 claims
- 2946US9309791B2Valve control for a gas exchange valve of an internal combustion engineTRZMIEL ALFRED·Filed 2014·Granted Apr 12, 2016·0 cites·18 claims
- 3045US6205964B1Damping device for movable masses, preferably for electromagnetic systemsHYDRAULIK RING GMBH·Filed 1999·Granted Mar 27, 2001·10 cites·20 claims
- 3144US6910465B2Throttle valve especially for high-pressure diesel pumps of injection devices of motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Jun 28, 2005·1 cites·20 claims
- 3244US2008123871A1Device for Generating Audio SignalsTRZMIEL ALFRED·Filed 2007·Application pending·0 cites
- 3341US9919192B2Golf clubTRZMIEL ALFRED·Filed 2016·Granted Mar 20, 2018·0 cites·3 claims
- 3438US10436243B2Crank shaft for an inline internal combustion engine and an inline internal combustion enginePROMESCON GMBH·Filed 2015·Granted Oct 8, 2019·0 cites·12 claims
- 3537US7013877B2Pressure control valve, especially for high pressure diesel pumps of injection devices of motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Mar 21, 2006·0 cites·7 claims
- 3637US2002178902A1Control device for hydraulic and/or mechanical componentsHYDRAULIK RING GMBH·Filed 2002·Application pending·0 cites
- 3736US6833779B2Proportional solenoid valve, preferably proportional throttle valve, especially for high pressure diesel pumps of motor vehiclesHYDRAULIK RING GMBH·Filed 2003·Granted Dec 21, 2004·0 cites·29 claims
- 3834US2012085322A1Internal Combustion Engine as well as Retrofitting/Conversion Kit for such an Internal Combustion EngineTRZMIEL ALFRED·Filed 2011·Application pending·0 cites
- 3930US5802849AActuating device for coupling of an automatic transmission of a vehicleHYDRAULIK RING GMBH·Filed 1997·Granted Sep 8, 1998·0 cites·22 claims
- 4029US6227390B1Closure arrangement for a container with clamping projections and interfitting slanted groovesHYDRAULIK RING GMBH·Filed 1999·Granted May 8, 2001·2 cites·15 claims
- 4124US5322259AProportional magnet valveHYDRAULIK RING GMBH·Filed 1992·Granted Jun 21, 1994·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Alfred Trzmiel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →