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