Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440281 | Device for the prevention of arcing in vacuum sputtering installations | Michael Lubbehusen, Gernot Thorn | 2002-08-27 |
| 5281321 | Device for the suppression of arcs | Gotz Teschner | 1994-01-25 |
| 5047911 | Device for a unipolarly operated electrical circuit component | Wolfgang Sperzel, Horst Landwehr, Friedrich-Werner Thomas, Guido Hubertus | 1991-09-10 |
| 4768141 | D.c.-a.c. converter having an asymmetric half-bridge circuit | Guido Hubertus, Freidrich-Werner Thomas, Wolfgang Sperzel | 1988-08-30 |
| 4748311 | Inverter with power supply to chopper through parallel resonant circuit tuned to twice the chopper frequency | Friedrich-Werner Thomas | 1988-05-31 |
| 4700281 | Direct-current-alternating-current inverter comprising a load which gains by forcing an output voltage of the direct-current-alternating-current inverter having a defined wave shape and frequency | Gernot Thorn, Friedrich-Werner Thomas, Dietrich Dahlinger, Guido Hubertus, Wolfgang Sperzel | 1987-10-13 |
| 4525652 | Auxiliary-voltage source for supplying electric circuits which are at a high potential | Wolfgang Sperzel | 1985-06-25 |