Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383070 | Method for recovering rhenium and other metals from rhenium-bearing materials | Eberhard LUEDERITZ, Ulrich R. Schlegel, Dale L. Schneck | 2013-02-26 |
| 8177882 | Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials | Ulrich R. Schlegel, Dale L. Schneck | 2012-05-15 |
| 7048774 | Recovery of metal values from cermet | Ulrich R. Schlegel, Kenneth E. Riegel | 2006-05-23 |
| 6830605 | Recovery of metal values from cermet | Ulrich R. Schlegel, Kenneth E. Riegel | 2004-12-14 |
| 4356030 | Safe disposal of metal values in slag | George L. Zarur | 1982-10-26 |