Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267538 | Mechanical valve tappet for an internal combustion engine | Walter Speil, Michael Zipprath | 1993-12-07 |
| 5078657 | Belt tensioner | Walter Speil | 1992-01-07 |
| 5075447 | Ruthenium complexes useful as carriers for immunologically active materials | Francis X. Muller | 1991-12-24 |
| 5040054 | Circuit apparatus for automatic correction of TV color balance | Peter Bachmann | 1991-08-13 |
| 4985009 | Tensioning device for chain or belt drives | Bolko Schuseil | 1991-01-15 |
| 4876994 | Hydraulic play compensation element | Walter Speil, Bolko Schuseil | 1989-10-31 |
| 4856468 | Ball-and-socket joint | Walter Speil, Michael Zipprath | 1989-08-15 |
| 4840160 | Valve control device | Michael Zipprath | 1989-06-20 |
| 4811631 | Shifting method for hydrodynamic-mechanical transmission | Ernst-August Honig, Lothar Kaspar, Manfred Kalversberg, Gerd Oberpichler, Gottfried Hagemann | 1989-03-14 |
| 4792322 | Chain tightener | Dieter Goppelt | 1988-12-20 |
| 4790801 | Mechanic-hydraulic actuating element for a belt tightener | Dieter Goppelt | 1988-12-13 |
| 4782799 | Self-adjusting hydraulic valve tappet | Dieter Goppelt, Steffen Hertrich, Jurgen Rabe | 1988-11-08 |
| 4772251 | Novel chain tightener assembly | Dieter Goppelt | 1988-09-20 |
| 4747376 | Hydraulic valve clearance compensation element | Walter Speil | 1988-05-31 |
| 4745076 | Ruthenium complexes useful as carriers for immunologically active materials | Francis X. Muller | 1988-05-17 |
| 4721076 | Self-adjusting hydraulic valve tappet | Dieter Goppelt | 1988-01-26 |
| 4694084 | Glycerol ether phosphatides | Manfred Breuninger | 1987-09-15 |
| 4614723 | Porphyrin derivatives as fluorescent markers for immunoassays | Hans Steffen | 1986-09-30 |
| 4612794 | Manual crimping pliers | — | 1986-09-23 |
| RE32175 | (Pneumatic) hydraulic control system for an automatic vehicle transmission | Ferdinand Piech, Heinz Dorpmund, Gerd Oberpilcher, Ernst-August Honig | 1986-06-10 |
| 4566135 | Pressure transducer | — | 1986-01-21 |
| 4553254 | X-Ray diagnostic system comprising at least one x-ray generator and x-ray apparatus | Eric Bach | 1985-11-12 |
| 4530007 | X-ray diagnostic system having an image intensifier television chain | — | 1985-07-16 |
| 4438665 | Control system for an automobile drive | — | 1984-03-27 |
| 4432237 | Ultrasonic transducer | Rolf Engler | 1984-02-21 |