Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506673 | Silica removal from pregnant leach solutions | David R. Baughman, Dennis D. Gertenbach, Wayne W. Hazen, George Owusu, John C. Wilmot | 2013-08-13 |
| 8273237 | Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning | John O. Marsden, John C. Wilmot | 2012-09-25 |
| 8114365 | Silica removal from pregnant leach solutions | David R. Baughman, Dennis D. Gertenbach, Wayne W. Hazen, George Owusu, John C. Wilmot | 2012-02-14 |
| 7691347 | Silica removal from pregnant leach solutions | David R. Baughman, Dennis D. Gertenbach, Wayne W. Hazen, George Owusu, John C. Wilmot | 2010-04-06 |
| 7416711 | Atmospheric pressure leach process for lateritic nickel ore | Houyuan Liu, Coralie Lewis, David Neudorf, Steven Barnett | 2008-08-26 |
| 6379636 | Method for leaching nickeliferous laterite ores | J. Carlos Arroyo, David Neudorf, Erik M. Weenink | 2002-04-30 |