Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9744575 | Treatment of waste | Fan Zhang | 2017-08-29 |
| 9611520 | Base metal recovery | Matthew Slinn | 2017-04-04 |
| 9441284 | Precious metal recovery | Shashini Premathilaka, Saeed Ismail | 2016-09-13 |
| 9382144 | Hazardous waste treatment process | Chris Chapman, Saeed Ismail | 2016-07-05 |
| 9057118 | Plasma method and apparatus for recovery of precious metals | Tim Johnson | 2015-06-16 |
| 8443741 | Waste treatment process and apparatus | Chris Chapman, David Ovens, Saeed Ismail | 2013-05-21 |
| 8438983 | Waste treatment process and apparatus | Chris Chapman, David Ovens, Saeed Ismail | 2013-05-14 |
| 8404919 | Treatment of nuclear sludge | Chris Chapman, Saeed Ismail | 2013-03-26 |
| 8109218 | Waste treatment process and apparatus | Chris Chapman, David Ovens, Saeed Ismail | 2012-02-07 |
| 8062616 | Method for treating spent pot liner | Chris Chapman, Hao Ly | 2011-11-22 |
| 7727460 | Plasma arc reactor for the production of fine powders | Chris Chapman, Timothy P. Johnson | 2010-06-01 |
| 7658155 | Waste treatment process and apparatus | Chris Chapman, David Ovens, Saeed Ismail | 2010-02-09 |
| 7022155 | Plasma arc reactor for the production of fine powders | Chris Chapman, Timothy P. Johnson | 2006-04-04 |
| 6796107 | Method and apparatus for packaging ultra fine powders into containers | Timothy P. Johnson, Christopher David Chapman | 2004-09-28 |
| 6744006 | Twin plasma torch apparatus | Timothy P. Johnson, Christopher David Chapman, John K. Williams | 2004-06-01 |