Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488370 | Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates | Michael Matthew Hourn, Rodrigo U Ventura, David Winborne | 2009-02-10 |
| 6968798 | Anchor with releasable shank | — | 2005-11-29 |
| 6833021 | Method for treating precious metal bearing minerals | Michael Matthew Hourn, Rodrigo U Ventura, David Winborne | 2004-12-21 |
| 6827803 | Method of joining belt ends | — | 2004-12-07 |
| 6390010 | Self-righting anchor with float | — | 2002-05-21 |
| 6243274 | Shields for electronic components with ready access to shielded components | — | 2001-06-05 |
| 6228200 | Belt press using differential thermal expansion | Adrian Willis | 2001-05-08 |
| 6041731 | Self-righting plow anchor with float | — | 2000-03-28 |
| 5974935 | Belt splitting machine | Adrian Willis, George H. Stoner, III, William J. Hayes | 1999-11-02 |