Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505542 | Conching machine with multiple rotors | Willy Braeker | 1996-04-09 |
| 5379950 | Method and system for controlling a layer thickness in a grinding operation | — | 1995-01-10 |
| 5156867 | Method and apparatus for operating a conching device | Johannes Leuthold | 1992-10-20 |
| 4971643 | Method for retreading and partially replacing the belt of a pneumatic vehicle tire having a radial carcass tire body | Peter Entmayr, Manfred Reppin | 1990-11-20 |
| 4746070 | Roll refiner and method for operating same | — | 1988-05-24 |
| 4322529 | Tertiary-alkylamine salts of azine dyestuffs | — | 1982-03-30 |