Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950454 | Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing | Wolfram Burst, Horst Hartmann, Wulf Kaiser, Harald Laas, Paul Grafen +1 more | 1999-09-14 |