Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091839 | Method and apparatus for supplying voltage to a three-phase voltage system having a load-carrying neutral conductor with a pulse width modulated three phase invertor | Albert Mueller | 1992-02-25 |
| 4779182 | Power supply for an electrostatic filter | Hermann Mickal, Walter Schmidt, Franz Neulinger, Helmut Schummer | 1988-10-18 |
| 4692632 | Procedure and apparatus for uninterruptible power supply | Hermann Mickal, Adolf Haboeck | 1987-09-08 |
| 4670829 | Method and apparatus for supplying an electrostatic precipitator with high voltage pulses | Richard Dallhammer, Gerhard Donig, Walter Schmidt, Franz Neulinger, Helmut Schummer | 1987-06-02 |