Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8978576 | Spiral gas-solids contact apparatus | Robert Brandt, Peter T. Kashulines, Jr., K. Ressie Cavenaugh | 2015-03-17 |
| 8323711 | Spiral gas-solids contact apparatus and method | Robert Brandt, Peter T. Kashulines, Jr., K. Ressie Cavenaugh | 2012-12-04 |