Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005149 | Method and apparatus for processing organic materials to produce chemical gases and carbon char | — | 1999-12-21 |
| 5851246 | Apparatus for gasifying organic materials | Ricardo Viramontes-Brown | 1998-12-22 |
| 5656044 | Method and apparatus for gasification of organic materials | Ricardo Viramontes-Brown | 1997-08-12 |
| 5584255 | Method and apparatus for gasifying organic materials and vitrifying residual ash | D. Gene Taylor | 1996-12-17 |
| 5425792 | Method for gasifying organic materials | Ricardo Viramontes-Brown | 1995-06-20 |
| 5028034 | Continuous feed shaft retort appartus for recovery of non-ferrous metals | N. Edward Bottinelli, Norman L. Kotraba | 1991-07-02 |
| 4983214 | Method and apparatus for direct reduction of metal oxides | N. Edward Bottinelli, Norman L. Kotraba | 1991-01-08 |
| 4963182 | Continuous feed shaft retort process for recovery of non-ferrous metals from process dust | N. Edward Bottinelli, Norman L. Kotraba | 1990-10-16 |
| 4836847 | Method for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous | N. Edward Bottinelli, Norman L. Kotraba | 1989-06-06 |
| 4758268 | Method and apparatus for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous | N. Edward Bottinelli, Norman L. Kotraba | 1988-07-19 |