Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103159 | Method for preventing material to be briquetted from sticking to a roll surface | Werner Plagemann, Siegfried Grone | 2000-08-15 |
| 6086003 | Roll press for crushing abrasive materials | Harald Günter, Werner Plagemann | 2000-07-11 |
| 5755033 | Method of making a crushing roll | Harald Günter, Werner Plagemann | 1998-05-26 |
| 4881031 | Eddy current method and apparatus for determining structural defects in a metal object without removing surface films or coatings | Helmut Pfisterer, Heinz Wezel | 1989-11-14 |