Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624112 | Desalination system using a filter press | Daniel J. Simpson | 2017-04-18 |
| 9303211 | Bitumen extraction and dewatering in a filter press | Daniel J. Simpson | 2016-04-05 |
| 9186605 | Filter press with side feed ports | Daniel J. Simpson | 2015-11-17 |
| 9138668 | Dewatering of drilling mud using a filter press | Daniel J. Simpson | 2015-09-22 |
| 8999160 | Filter plate shifter | — | 2015-04-07 |
| 8580084 | Desalination method using a filter press | Daniel J. Simpson | 2013-11-12 |
| 8535542 | Filter press with integrated radio frequency heating | Daniel J. Simpson | 2013-09-17 |