Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858203 | Method and device for treating a contaminated slurry | Iwan Johannes Wilhelmus Weultjes, Gerrit Derk Enoch | 1999-01-12 |
| 5453254 | Apparatus for effecting chemical and/or physical reactions | Jan B. Lefers | 1995-09-26 |
| 5158754 | Process and apparatus for effecting chemical and/or physical reactions | Jan B. Lefers | 1992-10-27 |