Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564620 | Visually indicating corrosion sensing | — | 2003-05-20 |
| 6063735 | Superconductor mixture | Jai-Won Park, Karl Koehler, Ferdinand Hardinghaus, Klaus Fischer, Tobias Habisreuther +4 more | 2000-05-16 |
| 5854145 | Corrosion inhibitor solution applicator | Christophe Chandler, Margarita Kharshan, Dan L. Dusing | 1998-12-29 |
| 5324500 | Method for processing residues of barium sulfide or strontium sulfide leaching | Heinz-Hermann Riechers, Karl Koehler, Martin Wulff | 1994-06-28 |
| 5312604 | Work-up of waste materials from barium or strontium sulfide leaching | Hans-Hermann Riechers, Karl Koehler, Martin Wulff | 1994-05-17 |
| 5279064 | Fish hooking apparatus | — | 1994-01-18 |