Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049240 | Vaccum distillation system | Johannes A. Hamer, Cornelis J. Van Der Burg, Dirk Kanbier | 1991-09-17 |
| 5034103 | Distillation column with a draw-off device | Johannes A. Hamer, Pieter J. Hoek | 1991-07-23 |
| 5032231 | Vacuum distillation process | Johannes A. Hamer | 1991-07-16 |
| 5019218 | Vacuum distillation process | Johannes A. Hamer | 1991-05-28 |
| 5019219 | Vacuum distillation process | Johannes A. Hamer | 1991-05-28 |