HE

Helmut Engelhardt

SC Schaeffler: 5 patents #768 of 2,365Top 35%
IO Ina Wälzlager Schaeffler Ohg: 4 patents #25 of 222Top 15%
IK Ina Schaeffler Kg: 3 patents #34 of 264Top 15%
IK Ina-Walzlager Schaeffler Kg: 2 patents #45 of 184Top 25%
BMW: 1 patents #2,164 of 5,361Top 45%
Overall (All Time): #348,315 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9856762 Variable-stroke valve train of an internal combustion engine 2018-01-02
8328959 Lever-type cam follower Ernst Ammon 2012-12-11
8025038 Cam follower Christian Minner 2011-09-27
7721695 Connection element for the secure fixing of a lever-type cam follower Stephan Moeck 2010-05-25
7350489 Finger lever of a valve train of an internal combustion engine Johann Kecker, Jorg Michel 2008-04-01
7350490 Connection element for the captive mounting of a lever-like cam follower Stephan Mock 2008-04-01
7219639 Drag lever of a valve mechanism in an internal combustion engine Johann Kecker, Jorg Michel 2007-05-22
7146950 Connecting element for inseparable retention of a lever-type cam follower Stephan Moeck 2006-12-12
6273044 Valve actuating lever Wolfgang Mayer, Johannes Meyer 2001-08-14
6253721 Swivel-mounted cam follower for a valve drive of an internal combustion engine Wolfgang Mayer, Walter Speil 2001-07-03
6062184 Rocker arm or finger lever formed by a chipless process Wolfgang Mayer 2000-05-16
6035820 Rocker arm or finger lever formed by a chipless process Wolfgang Mayer 2000-03-14
5775280 Securing device for an actuating lever in a valve control mechanism of internal combustion engines Dieter Schmidt, Gunter Eisenhardt, Norbert Geheeb, Peter Sailer, Wolfgang Mayer 1998-07-07
5704319 Hydraulic clearance compensation element for valve control units of internal-combustion engines Dieter Schmidt 1998-01-06