LW

Ludwig Winkelmann

IK Ina Schaeffler Kg: 7 patents #11 of 264Top 5%
LK Luk Lamellen Und Kupplungsbau Beteiligungs Kg: 7 patents #40 of 378Top 15%
LK Luk Lamellen Und Kupplungsbau: 6 patents #13 of 149Top 9%
SC Schaeffler: 6 patents #337 of 2,365Top 15%
IK Ina-Walzlager Schaeffler Kg: 2 patents #45 of 184Top 25%
IO Ina Wälzlager Schaeffler Ohg: 1 patents #83 of 222Top 40%
Overall (All Time): #132,213 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
8845200 Rolling bearing for a dual mass flywheel in a motor vehicle 2014-09-30
8764301 Thermally insulated anti-friction bearing Gudrun Martin, Juergen Windrich 2014-07-01
8628249 Angular contact ball bearing Harald Peschke, Dieter Jauernig 2014-01-14
8348512 Clutch release bearing and method for the production thereof Steffen Dittmer, Bernhard Kloepfer 2013-01-08
8286775 Clutch release bearing in contact with a disk spring Steffen Dittmer 2012-10-16
7438170 Clutch release arrangement Markus Maier, Bernhard Klopfer 2008-10-21
7416070 Clutch operator for a disconnectable clutch in motor vehicles Steffen Dittmer, Bernhard Klopfer 2008-08-26
7121396 Hydraulic operating arrangement for clutches and the like Axel Rogner, Manfred Jansen, Wolfgang Fugel, Ulrich Helfmeier, Ernani Almeida +11 more 2006-10-17
6854578 Clutch release bearing with improved sealing arrangement Steffen Dittmer, Bernhard Klopfer 2005-02-15
6843354 Self-adjusting clutch release bearing Steffen Dittmer, Bernhard Klopfer 2005-01-18
6810787 Master cylinder Roland Welter, Peter Schaaf, Peter Giese, Gerhard Meyer 2004-11-02
6811013 Clutch release bearing with improved sealing arrangement Steffen Dittmer, Bernhard Klopfer 2004-11-02
6719117 Self-adjusting clutch release bearing Bernhard Klopfer, Steffen Dittmer 2004-04-13
6719115 Hydraulic operating arrangement for clutches and the like Axel Rogner, Manfred Jansen, Wolfgang Fugel, Ulrich Helfmeier, Ernani Almeida +11 more 2004-04-13
6684997 Self-adjusting clutch release bearing Bernhard Klopfer, Steffen Dittmer 2004-02-03
6684996 Release bearing with improved connection to a separating clutch Steffen Dittmer, Bernhard Klopfer, Stefan Kurzbeck 2004-02-03
6640541 Master cylinder for use in power trains of motor vehicles Rainer Venz, Ulrich Helfmeier, Dieter Adler, Uwe Stratil, Thomas Bertelshofer +3 more 2003-11-04
6526868 Master cylinder for use in power trains of motor vehicles Rainer Venz, Ulrich Helfmeier, Dieter Adler, Uwe Stratil, Thomas Bertelshofer +3 more 2003-03-04
6502682 Hydraulic release system Hartmut Koschmieder, Walter Parzefall, Harald Peschke 2003-01-07
6470791 Master cylinder Roland Welter, Peter Schaaf, Peter Giese, Gerhard Meyer 2002-10-29
6446436 Master cylinder for use in power trains of motor vehicles Rainer Venz, Ulrich Helfmeier, Dieter Adler, Uwe Stratil, Thomas Bertelshofer +3 more 2002-09-10
6394253 Clutch actuating apparatus Gerhard Meyer, Dieter Adler 2002-05-28
6328148 Hydraulic clutch release mechanism Gerhard Meyer 2001-12-11
6283266 Hydraulic clutch release mechanism Roland Welter, Gerhard Meyer 2001-09-04
6273231 Fluid operated clutch disengaging apparatus Hartmut Koschmieder, Walter Parzefall, Harald Peschke 2001-08-14