RD

Ralf Dreibholz

ZA Zf Friedrichshafen Ag: 61 patents #13 of 2,695Top 1%
BMW: 1 patents #2,164 of 5,361Top 45%
📍 Meckenbeuren, DE: #1 of 95 inventorsTop 2%
Overall (All Time): #36,880 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
6597978 Method for controlling an automatic transmission Hans-Jorg Domian 2003-07-22
6484084 Method and device for controlling and regulating a coupling Martin Vohmann 2002-11-19
6454067 Method and device for controlling and regulating a coupling Martin Vohmann, Joachim Foth 2002-09-24
6366843 Method for controlling an automatic transmission Martin Vohmann, Gerd Frotscher 2002-04-02
6244402 Power shift transmission for motor vehicles Hans-Jorg Domian, Walter Kuhn 2001-06-12
6217478 Position and/or angle control method and device without absolute positions sensor Martin Vohmann, Günther Bauer 2001-04-17
6101438 Process for automatically co-ordinating the filling operation of shift elements Kai Staiger, Gerd Frotscher 2000-08-08
6081760 Error recognition process for automatic gear boxes transmission Gerd Frotscher, Kai Staiger 2000-06-27
6026699 Shuttle shift control using both a directional clutch and a transmission clutch Uwe Heitz, Hugo Burkhart 2000-02-22
5997433 Transmission control system for reducing thermal load on engaging elements Hans-Jorg Domian 1999-12-07
5911648 Automatic transmission control method including shifting aberration regulating phase Gerd Frotscher, Thomas Schober, Martin Vohmann 1999-06-15
5795265 Process for controlling an automatic transmission Hans-Jorg Domian, Gerd Frotscher, Thomas Schober 1998-08-18