Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9437356 | Medium frequency transformer | Christoph Gulden | 2016-09-06 |
| 6190596 | Process for producing cellulosic shaped objects | Derek Budgell, Ulrich Wachsmann | 2001-02-20 |
| 5914872 | Converter-fed drive system | — | 1999-06-22 |
| 4977968 | Cleaning device for weighing machines, in particular combination weighing machines | — | 1990-12-18 |
| 4391664 | Process for fixing tiles in position | — | 1983-07-05 |
| 4315122 | Contact arrangement | Joachim Grafling | 1982-02-09 |
| 4211542 | Method and apparatus for producing dry, compressed air for electrical switch gear | — | 1980-07-08 |