Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223711 | Piston, especially for an internal combustion engine with double crank drive | — | 2001-05-01 |
| 6209496 | Reciprocating internal combustion engine | — | 2001-04-03 |
| 6171502 | End piece for a chromatographic column | Hans Daniel Jakob Mueller, Axel Delp, Hans-Dieter Harders, Joseph Spurk | 2001-01-09 |
| 5569027 | Lobed rotor machine | Wilfried Ball, Peter Rönnberg | 1996-10-29 |
| 5051021 | Selectively separable anchoring and retaining means | — | 1991-09-24 |
| 5016934 | Prefabricated inner roof lining for motor vehicles | — | 1991-05-21 |
| 4812190 | Thermally insulating covering and process for producing | — | 1989-03-14 |
| 4812194 | Process for producing a lining member | — | 1989-03-14 |
| 4793393 | Process for the production of a veneer workpiece with cutout, as well as pressure punching tool for performing the same | — | 1988-12-27 |