Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855965 | Process for the production of a powder coating, apparatus for carrying out the process, and powder formulation for carrying out the process | Karl-Ernst Wirth, Christopher Hilger, Joachim Woltering, Heinrich Wonnemann | 1999-01-05 |
| 4931260 | Process and apparatus for the treatment of granular solid materials in a fluidized layer | Karl-Ernst Wirth | 1990-06-05 |