Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8109009 | Air seal for rotary dryer/kiln | Warren Kelm | 2012-02-07 |
| 7993048 | Rotary thermal recycling system | Warren Kelm | 2011-08-09 |
| 7807048 | Thermal recovery of petroleum crude oil from tar sands and oil shale deposits | — | 2010-10-05 |
| 7758235 | Recycled asphalt pavement (RAP) preparation system | — | 2010-07-20 |
| 7479170 | Modular up-draft pressure pulse bag house | — | 2009-01-20 |
| 7384181 | Milled asphalt pavement recycling | — | 2008-06-10 |
| 6110430 | Decontamination plant including an indirectly heated desorption system | George W. Swisher, Jr., Jianmin Zhang | 2000-08-29 |
| 5425923 | Thermal soil remediation system | George W. Swisher, Jr. | 1995-06-20 |
| 4947767 | Dual chamber volatilization system | — | 1990-08-14 |
| 4945839 | Dual chamber volatilization system | — | 1990-08-07 |
| 4865259 | Asphalt recycling conveyor | — | 1989-09-12 |
| 4827854 | Reflux volatilization system | — | 1989-05-09 |
| 4798533 | Asphalt recycling conveyor | — | 1989-01-17 |