Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058443 | Process for testing operational components in heaters and testing device for this purpose | — | 1991-10-22 |
| 4940041 | Heater having a casing with an integrally cast mounting space for control components | Friedrich Widemann, Bernhard Schmatelka | 1990-07-10 |
| 4700889 | Connecting device for power supply and heater equipped therewith | Werner Lucius, Ernst Mosig | 1987-10-20 |
| 4436064 | Process and apparatus for determination and utilization of a quantity of preheating energy | Falk Lamkewitz | 1984-03-13 |