Inventor · disambiguated record
Jens Schafer
Also filed as: SCHAEFER JENS · SCHAFER JENS · SCHäFER JENS
75 granted patents·7 pending applications·596 citations·filing 1997–2022
99Inventor score
Files withSCHAEFFLER KG16SCHAEFFLER WAELZLAGER OHG15INA SCHAEFFLER KG11SCHAEFFLER TECHNOLOGIES AG11SCHAEFFLER TECHNOLOGIES GMBH5
Top patents by PatentIndex Score
82 records- 0195US7506623B2Camshaft adjustment device for an internal combustion engineSCHAEFFLER KG·Filed 2006·Granted Mar 24, 2009·23 cites·11 claims
- 0295US6981478B2Electrically driven camshaft adjusterINA SCHAEFFLER KG·Filed 2005·Granted Jan 3, 2006·42 cites·26 claims
- 0389US6313726B1Electromagnet, particularly a proportional magnet for operating a hydraulic valveSCHAEFFLER WAELZLAGER OHG·Filed 1999·Granted Nov 6, 2001·57 cites·15 claims
- 0487US11964570B2Method for operating an electric vehicle and electric vehicleSEW EURODRIVE GMBH & CO KG·Filed 2020·Granted Apr 23, 2024·2 cites·24 claims
- 0587US9297283B2Camshaft unitSCHAEFFLER TECHNOLOGIES GMBH·Filed 2013·Granted Mar 29, 2016·6 cites·10 claims
- 0687US8973544B2Construction of a hydraulic oil channel between a central valve and a volume accumulator of a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Mar 10, 2015·5 cites·9 claims
- 0787US7032552B2Camshaft adjuster with an electrical driveINA SCHAEFFLER KG·Filed 2004·Granted Apr 25, 2006·22 cites·7 claims
- 0887US6481401B1Device for independent hydraulic actuation of the phase and axial position of a camshaftSCHAEFFLER WAELZLAGER OHG·Filed 2001·Granted Nov 19, 2002·28 cites·9 claims
- 0986US8776747B2Non-return valve of a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Jul 15, 2014·5 cites·10 claims
- 1085US6799746B2Electromagnet, in particular a proportional magnet for operating a hydraulic valveINA SCHAEFFLER KG·Filed 2002·Granted Oct 5, 2004·25 cites·15 claims
- 1184US7597075B2Electrically driven camshaft adjusterSCHAEFFLER KG·Filed 2005·Granted Oct 6, 2009·9 cites·13 claims
- 1282US9638306B2Camshaft unitSCHAEFFLER TECHNOLOGIES GMBH & CO KG·Filed 2013·Granted May 2, 2017·4 cites·12 claims
- 1382US7380530B2Camshaft adjuster with a superposition driveSCHAEFFLER KG·Filed 2007·Granted Jun 3, 2008·9 cites·4 claims
- 1482US7047923B2Device for varying valve timing in an internal combustion engineINA SCHAEFFLER KG·Filed 2005·Granted May 23, 2006·8 cites·9 claims
- 1581US9920660B2Camshaft adjuster and method for operating a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2014·Granted Mar 20, 2018·3 cites·10 claims
- 1680US9206713B2Arrangement of a volume accumulatorSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Dec 8, 2015·3 cites·10 claims
- 1780US8863712B2Configuration of a tank connection in a camshaft adjuster with volume accumulatorSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Oct 21, 2014·3 cites·10 claims
- 1879US7308876B2Electrically driven camshaft adjusterSCHAEFFLER KG·Filed 2003·Granted Dec 18, 2007·22 cites·15 claims
- 1978US10156164B2Arrangement of a volume accumulator in a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2015·Granted Dec 18, 2018·1 cites·13 claims
- 2078US6805080B2Device for changing the control times of gas exchange valves of internal combustion engine, particularly rotary piston adjustment device for rotation angle adjustment of a camshaft relative to a crankshaftINA SCHAEFFLER KG·Filed 2002·Granted Oct 19, 2004·17 cites·8 claims
- 2178US6367434B1Solenoid valve, particularly a proportional hydraulic valveSCHAEFFLER WAELZLAGER OHG·Filed 2000·Granted Apr 9, 2002·19 cites·5 claims
- 2277US6669567B1Device for hydraulically adjusting the angle of rotation of a shaft relative to a driving wheelINA SCHAEFFLER KG·Filed 2000·Granted Dec 30, 2003·17 cites·7 claims
- 2374US6651600B1Rotary piston adjusterINA SCHAEFFLER KG·Filed 2000·Granted Nov 25, 2003·14 cites·10 claims
- 2473US5860397ADevice for varying valve timing of gas exchange valves of internal combustion engineSCHAEFFLER WAELZLAGER OHG·Filed 1998·Granted Jan 19, 1999·26 cites·5 claims
- 2572US7703425B2Electromotive camshaft adjusterSCHAEFFLER KG·Filed 2005·Granted Apr 27, 2010·6 cites·16 claims
- 2672US6601554B1Device for varying the valve control times of an internal combustion engine, especially a camshaft adjusting device with a pivotal impeller wheelSCHAEFFLER WAELZLAGER OHG·Filed 2000·Granted Aug 5, 2003·14 cites·7 claims
- 2771US7152561B2Control structure for the adjusting motor of an electric camshaft adjusterINA SCHAEFFLER KG·Filed 2006·Granted Dec 26, 2006·6 cites·20 claims
- 2871US7059285B2Control structure for the adjusting motor of an electric camshaft adjusterINA SCHAEFFLER KG·Filed 2004·Granted Jun 13, 2006·10 cites·7 claims
- 2969US12308756B2System including a first inverter and a second inverter, and method for operating the systemSEW EURODRIVE GMBH & CO KG·Filed 2021·Granted May 20, 2025·0 cites·21 claims
- 3069US8132549B2Reciprocating piston internal combustion engine and method for determining the wear of a transmission element arranged between a crankshaft and a camshaftDELL HEIKO·Filed 2006·Granted Mar 13, 2012·8 cites·10 claims
- 3169US7541803B2Device and method for determining the angle of rotation between a camshaft and a crankshaft in an internal combustion engineSCHAFFLER KG·Filed 2004·Granted Jun 2, 2009·13 cites·4 claims
- 3269US7089897B2Electrically driven camshaft adjusterINA SCHAEFFLER KG·Filed 2004·Granted Aug 15, 2006·11 cites·15 claims
- 3368US10865716B2Camshaft adjuster and method for determining the setting of a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2015·Granted Dec 15, 2020·1 cites·11 claims
- 3467US8960140B2External volume accumulator configuration in a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Feb 24, 2015·1 cites·10 claims
- 3567US8863713B2Camshaft adjuster having a non-return valveSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Oct 21, 2014·2 cites·4 claims
- 3667US7912624B2Synchronization device for an engineSCHAEFFLER TECHNOLOGIES GMBH·Filed 2007·Granted Mar 22, 2011·6 cites·23 claims
- 3767US6637389B2Electrically driven device for angular adjustment of a shaft relative to its driveSCHAEFFLER WAELZLAGER OHG·Filed 2001·Granted Oct 28, 2003·12 cites·9 claims
- 3866US12263441B2System composed of an apparatus for treating a fluid, a handheld device and a method for operating such a systemDONALDSON FILTRATION DEUTSCHLAND GMBH·Filed 2022·Granted Apr 1, 2025·0 cites·12 claims
- 3966US7717072B2Adjustment device for adjusting the relative rotational angle position of a camshaft in relation to a crankshaft of an internal combustion engineSCHAEFFLER KG·Filed 2008·Granted May 18, 2010·2 cites·2 claims
- 4065US7762226B2Method for adjusting a camshaft of an internal combustion engine and internal combustion engine with an adjustable camshaftSCHAEFFLER KG·Filed 2009·Granted Jul 27, 2010·5 cites·21 claims
- 4165US6079382ALocking device for a device for varying valve timing of gas exchange valves of an internal combustion engineSCHAEFFLER WAELZLAGER OHG·Filed 1998·Granted Jun 27, 2000·20 cites·11 claims
- 4264US6363897B2Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston typeSCHAEFFLER WAELZLAGER OHG·Filed 2000·Granted Apr 2, 2002·11 cites·3 claims
- 4362US12394575B2Energy store including a housing and bridge plugSEW EURODRIVE GMBH & CO KG·Filed 2020·Granted Aug 19, 2025·0 cites·20 claims
- 4461US11121636B2System including a first inverter and a second inverter, and method for operating the systemSEW EURODRIVE GMBH & CO·Filed 2017·Granted Sep 14, 2021·0 cites·16 claims
- 4561US8991344B2Filling of a volume accumulator in a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Mar 31, 2015·1 cites·7 claims
- 4660US8844484B2Non-return valve of a camshaft adjusterSCHAEFFLER TECHNOLOGIES AG·Filed 2013·Granted Sep 30, 2014·1 cites·3 claims
- 4760US7644691B2Device for modifying the control times of an internal combustion engineSCHAEFFLER KG·Filed 2005·Granted Jan 12, 2010·2 cites·11 claims
- 4859US7832369B2Device for modifying the control times of an internal combustion engineSCHAEFFLER TECHNOLOGIES GMBH·Filed 2005·Granted Nov 16, 2010·2 cites·5 claims
- 4959US6427654B2Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston typeSCHAEFFLER WAELZLAGER OHG·Filed 2000·Granted Aug 6, 2002·8 cites·7 claims
- 5058US8485150B2Group of multiple camshafts with camshaft adjustersSCHAFER JENS·Filed 2007·Granted Jul 16, 2013·2 cites·14 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →