Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655329 | Variable valve train for a cam activated lifting valve of an internal combustion engine | Thomas Kammerdiener, Peter Herzog | 2003-12-02 |
| 6213086 | Combustion engine | Franz Chmela | 2001-04-10 |
| 5865695 | Training device for basketball players for developing proper shooting technique | Robert Mahala, Mark Qualben | 1999-02-02 |
| 5539182 | Process for increasing moisture permeability of leather, especially for seating in the automobile industry | — | 1996-07-23 |
| 5269814 | Method of producing a split leather, especially for automotive applications subject to temperature and humidity fluctuations | Gunter Schmidt | 1993-12-14 |
| 4742623 | Process and equipment for the indirect drying of sludge, especially for the drying of wastewater sludge | Heinrich Steuber, Jurgen Bassler, Winfried Liebig, Ludwig Muhlhaus | 1988-05-10 |
| RE31179 | Method of processing waste sludge from wet phosphoric acid purification facilities | Martin Hater, Fritz Meininghaus, Rudiger Scheel | 1983-03-15 |
| 4257898 | Method of processing waste sludge from wet phosphoric acid purification facilities | Martin Hater, Fritz Meininghaus, Rudiger Scheel | 1981-03-24 |
| 4203409 | Low-noise-level internal combustion engine | Heinz Fachbach, Gerhard Thien | 1980-05-20 |