Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367440 | Variable engagement centrifugal clutch assembly | Muneer AbuSamra, Robert Sayman, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Ludger Ronge +3 more | 2008-05-06 |
| 7338409 | Centrifugal clutch assembly with dedicated maneuvering mode | Ludger Ronge, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, James DeVore, Loren Christopher Dreier +3 more | 2008-03-04 |
| 7318513 | Multi-function centrifugal clutch | Muneer AbuSamra, Ludger Ronge, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Loren Christopher Dreier +3 more | 2008-01-15 |
| 7314430 | Disabling engine speed limiters during centrifugal clutch installation | James DeVore, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Ludger Ronge, Loren Christopher Dreier +3 more | 2008-01-01 |
| 7306084 | Dynamic modification of centrifugal clutch | Muneer AbuSamra, Ludger Ronge, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Loren Christopher Dreier +3 more | 2007-12-11 |
| 7147093 | Centrifugal clutch | Reinhold Weidinger | 2006-12-12 |
| 7143886 | Arrangement for generating actuation force in a centrifugal clutch | Reinhold Weidinger | 2006-12-05 |
| 7140482 | Centrifugal clutch | Reinhold Weidinger | 2006-11-28 |
| 7063199 | Centrifugal clutch | Reinhold Weidinger | 2006-06-20 |
| 7017725 | Centrifugal clutch | Reinhold Weidinger | 2006-03-28 |
| 7000751 | Normally open clutch assembly device | Muneer AbuSamra, Ludger Ronge, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Loren Christopher Dreier +3 more | 2006-02-21 |
| 6939268 | Vehicle transmission system with coast controls | James DeVore, Charles E. Allen, Jr., Karl-Fritz Heinzelmann, Ludger Ronge, Loren Christopher Dreier +3 more | 2005-09-06 |
| 6502683 | Driver disk for a clutch plate | Norbert Lohaus | 2003-01-07 |
| 6234290 | Actuating installation for pneumatic clutch actuation with overload protection and/or incorrect-operation protection | Hans-Jurgen Drexl, Barbara Ester, Frank Hirschmann, Jurgen Liebler, Joachim Lindner +2 more | 2001-05-22 |
| 6186302 | Motor vehicle clutch | Hans-Jurgen Drexl, Reinhold Weidinger | 2001-02-13 |
| 6142909 | Device for controlling a starting process of a motor vehicle | Hans-Jurgen Drexl, Martin Dettmar | 2000-11-07 |
| 6116400 | Assembly for a friction clutch | Roland Muller, Marco Greubel, Erwin Ziegler, Frank Hirschmann | 2000-09-12 |
| 5662200 | Clutch disc of a motor vehicle, which clutch disc has an elastic connection between the carrier plate and hub | Klaus Memmel, Gunter Wawrzik, Harald Jeppe | 1997-09-02 |
| 5337866 | Device for monitoring a friction clutch | Hans-Jurgen Drexl | 1994-08-16 |
| 4848555 | Twin-disc clutch | Hans-Walter Riese, Erwin Ziegler, Reinhold Ruppel | 1989-07-18 |
| 4751990 | Multi-disc clutch unit, particularly for heavy-duty motor vehicles | Alfred Schraut, Peter Janda, Nikolaus D. Mackert, Dieter Howorka, Werner Fricke +1 more | 1988-06-21 |