Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068803 | Method of making building blocks from coal combustion waste and related products | Thomas E. Weyand, Wolfgang Baum | 2000-05-30 |
| 5887724 | Methods of treating bi-modal fly ash to remove carbon | Thomas E. Weyand | 1999-03-30 |
| 5300137 | Method for removing mercury from contaminated soils and industrial wastes and related apparatus | Thomas E. Weyand | 1994-04-05 |