AS

Alfred Schraut

FS Fichtel & Sachs: 8 patents #30 of 388Top 8%
MA Mannesmann Sachs Ag: 3 patents #67 of 301Top 25%
ZA Zf Sachs Ag: 2 patents #49 of 172Top 30%
📍 Waigolshausen, DE: #1 of 10 inventorsTop 10%
Overall (All Time): #388,645 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6918479 Diaphragm spring for a friction clutch Martin Pahrisch, Ronald Beck, Erwin Ziegler, Frank Hirschmann 2005-07-19
6877596 Diaphragm spring for a friction clutch Martin Pahrisch, Ronald Beck, Erwin Ziegler, Frank Hirschmann 2005-04-12
6564920 Driver disk for a clutch plate Karl Hormann, Andreas Dorsch, Carmen Schleicher, Klaus Steinel, Norbert Lohaus 2003-05-20
6165074 Torsional vibration damper Helmuth Weissenberger, Karl Hubert, Richard Knoblach 2000-12-26
6095308 Clutch plate for motor vehicle clutches Richard Knoblach, Helmuth Weissenberger 2000-08-01
5419422 Driver plate for a clutch plate of a motor vehicle friction clutch 1995-05-30
4941558 Clutch disc 1990-07-17
4810231 Torsional vibration damper having springs with progressive characteristics Helmuth Weissenberger 1989-03-07
4782718 Fly-wheel unit for an internal-combustion engine Franz Hartig, Friedrich Kittel, Manfred Caspar, Bernhard Schierling, Norbert Pieper +2 more 1988-11-08
4751990 Multi-disc clutch unit, particularly for heavy-duty motor vehicles Peter Janda, Nikolaus D. Mackert, Dieter Howorka, Werner Fricke, Winfried Sturmer +1 more 1988-06-21
4727971 Pressure plate unit for a friction clutch Peter Janda, Gunther Rostin 1988-03-01
4651857 Clutch disk unit for a motor vehicle clutch Helmuth Weissenberger 1987-03-24
4591040 Clutch disc for a motor vehicle friction clutch Helmuth Weissenberger 1986-05-27