Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432277 | Method for reducing metal ion content in a chemical compound with a dipole moment | Wolfgang Sievert | 2002-08-13 |
| 6021802 | Device for connecting at least a discharge tube and return tube respectively to a bung connection of a liquid container | Johannes van der Heijden | 2000-02-08 |
| 5667253 | Device for connecting a feed off and return tube to a container for liquids | Cornelis J. A. Jansen, Stephanus Franciscus Schilthuizen, Peter H. Marriott | 1997-09-16 |