Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672254 | Contact element for transmitting current to a workpiece for use in electrochemical material working | — | 1997-09-30 |
| 4740152 | Mixing block for mixing a combustible gas mixture | Hans-Jurgen Conrad | 1988-04-26 |
| 4595359 | Apparatus for treating workpieces in a combustion chamber | Hans-Jurgen Conrad, Walter Schildhorn | 1986-06-17 |
| 4388083 | Mixing block for explosive gas mixtures detonated in a combustion chamber | — | 1983-06-14 |