Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576136 | Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration | Walterus Van der Meer, Harm Van Dalfsen | 2003-06-10 |
| 6302448 | Coupling unit for membrane elements | Walterus Gijsbertus Joseph Van Der Meer, Wilhelmus Van Paassen | 2001-10-16 |