Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7306732 | Treatment of water | Wilhelmus Pulles | 2007-12-11 |
| 7285216 | Treatment of water | Neil Berthold Rein | 2007-10-23 |
| 6521128 | Treatment of water containing carbonaceous solids | Oliver Hart | 2003-02-18 |
| 6315904 | Process for treating sulphate-containing waste water | John Richard Duncan, Robert Paul Van Hille, Genevieve Ann Boshoff | 2001-11-13 |
| 6228263 | Treatment of sulphate- and metal-containing water | Oliver Hart | 2001-05-08 |
| 6203700 | Process for treating metal-containing acid water | John Richard Duncan, Robert Paul Van Hille, Genevieve Ann Boshoff | 2001-03-20 |
| 6197196 | Treatment of water | Oliver Hart | 2001-03-06 |
| 6110370 | Treatment of water | Robert Paul Van Hille, John Richard Duncan, Genevieve Ann Boshoff | 2000-08-29 |
| 5945002 | Method of producing secondary metabolites | Winston Daniel Leukes, Edmund Petrus Jacobs, Stephanie Gail Burton, Ronald Douglas Sanderson | 1999-08-31 |
| 5378369 | Solvent extraction | Trevor David Phillips, Ronald Douglas Sanderson | 1995-01-03 |