Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590153 | Method for producing an adsorption heat exchanger | Walter Mittelbach, Manfred Arnold | 2013-11-26 |
| 6818726 | Polymers from hydroxyalkyl amino triazines and polyfunctional compounds | Manfred Ratzsch, Martin Burger, Manfred Arnold | 2004-11-16 |
| 6818768 | Mixtures of triazine derivatives free from polyalkylene oxide | Manfred Ratzsch, Martin Burger, Manfred Arnold | 2004-11-16 |
| 4737671 | Circuit for detecting the current flow of a triac | Karl-Diether Nutz | 1988-04-12 |