Inventor · disambiguated record
Steffen Heyn
Also filed as: HEYN STEFFEN
19 granted patents·4 pending applications·190 citations·filing 1993–2025
94Inventor score
Files withZAHNRADFABRIK FRIEDRICHSHAFEN10HEYN STEFFEN5MANNESMANN SACHS AG3BAALMANN HELMUT1FICHTEL & SACHS AG1
Top patents by PatentIndex Score
23 records- 0193US6305512B1Valve which reacts as a function of pressure, especially for a vibration damperMANNESMANN SACHS AG·Filed 2000·Granted Oct 23, 2001·70 cites·16 claims
- 0278US8245823B2Vibration damperZEISSNER BERND·Filed 2006·Granted Aug 21, 2012·15 cites·5 claims
- 0376US6561720B2Axial securing device for two components by means of a locking ringMANNESMANN SACHS AG·Filed 2001·Granted May 13, 2003·26 cites·12 claims
- 0474US8978844B2Adjustable damping valve arrangementHEYN STEFFEN·Filed 2013·Granted Mar 17, 2015·6 cites·8 claims
- 0572US8479895B2Vibration damper with stroke-dependent damping forceHEYN STEFFEN·Filed 2011·Granted Jul 9, 2013·4 cites·7 claims
- 0672US8113324B2Damping valve for a vibration damperBAALMANN HELMUT·Filed 2008·Granted Feb 14, 2012·7 cites·14 claims
- 0771US8789667B2Adjustable damping valve device having an emergency operation valveHEYN STEFFEN·Filed 2012·Granted Jul 29, 2014·3 cites·8 claims
- 0868US9926918B2Energy-recuperating fluid vibration damperZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Mar 27, 2018·3 cites·8 claims
- 0967US8181757B2Adjustable damping valve with a fail-safe damping force characteristicHEYN STEFFEN·Filed 2007·Granted May 22, 2012·5 cites·7 claims
- 1065US9212718B2Adjustable damping valveHEYN STEFFEN·Filed 2009·Granted Dec 15, 2015·5 cites·10 claims
- 1163US7104369B2Vibration damper with stroke-dependent damping forceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Sep 12, 2006·10 cites·14 claims
- 1262US2025290554A1Adjustable damping valve device for a vibration damperZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2025·Application pending·0 cites
- 1358US11739809B2Throttle point with a valve body with a changing diameterZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2021·Granted Aug 29, 2023·0 cites·17 claims
- 1454US10427485B2Method of operating a motor vehicle, and motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2015·Granted Oct 1, 2019·1 cites·14 claims
- 1554US5431260AShock absorber having an elastic gasket upper mounting assemblyFICHTEL & SACHS AG·Filed 1993·Granted Jul 11, 1995·24 cites·20 claims
- 1651US11255399B2Damping valve for a vibration damperZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2019·Granted Feb 22, 2022·0 cites·7 claims
- 1751US6581734B2Damping valve for a shock absorberZF SACHS AG·Filed 2002·Granted Jun 24, 2003·6 cites·8 claims
- 1847US2008116024A1Vibration damper with adjustable damping forceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Application pending·0 cites
- 1946US6364332B1Adjustable vibration damper with safety deviceMANNESMANN SACHS AG·Filed 2000·Granted Apr 2, 2002·5 cites·6 claims
- 2043US10434834B2Method for operating a motor vehicle, method for roll compensation of a motor vehicle, and motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2015·Granted Oct 8, 2019·0 cites·18 claims
- 2143US10245913B2Vibration damper and motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2015·Granted Apr 2, 2019·0 cites·14 claims
- 2240US2009127039A1Vibration DamperZF FRIEDCHSHAFEN AG·Filed 2006·Application pending·0 cites
- 2332US2019047350A1Vibration Damper, Method For Operating A Vibration Damper, Control Device And Motor VehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →