Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771270 | Cold filament ignition system and method of silicon rods | Michael Harro Liese, Casey Michael Wornath | 2017-09-26 |
| 9255325 | Method and apparatus for igniting silicon rods outside a CVD-reactor | — | 2016-02-09 |
| 9090968 | Apparatus and method for supplying electric power to a CVD-reactor | — | 2015-07-28 |
| 9013157 | Phase-fired control arrangement and method | — | 2015-04-21 |
| 7851942 | Circuit arrangement for supplying variable loads from three phases | Michael Harro Liese | 2010-12-14 |
| 7279811 | Arrangement for supplying variable loads | Michael Harro Liese | 2007-10-09 |