Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200437 | Wall-covering for electrolytic cells | Stefan Venghaus, Horst Dykrzak | 2001-03-13 |
| 6200438 | Cell cover for electrolytic cells | Stefan Venghaus | 2001-03-13 |
| 6178293 | Method and an apparatus for improving heat transfer | Hans-Joachim Brockhaus, Clemens Casper, Karl-Heinz Jonen | 2001-01-23 |
| 4880446 | Process for heating up moist gases containing hydrogen halides | Wolfgang Dietz, Rudolf Gerken, Gunter Lailach | 1989-11-14 |
| 4839534 | Method and apparatus for establishing a system clock in response to the level of one of two clock signal sources | — | 1989-06-13 |