Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10678207 | Method and apparatus for the control of a flotation separation process, including parameters of the flotation process and reagent addition to optimize mineral recovery | Christian V. O'Keefe | 2020-06-09 |
| 10427166 | Transportable modular system for enhanced mineral recovery, from tailings line and deposits | Francis K. Didden, Alan D. Kersey, Mark R. Fernald | 2019-10-01 |
| 10413847 | Mineral separation using functionalized polymer or polymer-coated filters and membranes | — | 2019-09-17 |
| 10357782 | Flotation separation using lightweight synthetic beads or bubbles | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2019-07-23 |
| 10245597 | Dimensionally controlled ‘engineered polymer bubble’ for flotation separation | Francis K. Didden, Alan D. Kersey, Michael A. Davis, Mark R. Fernald, Christian V. O'Keefe +1 more | 2019-04-02 |
| 9981271 | Method and system for releasing mineral from synthetic bubbles and beads | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Douglas H. Adamson | 2018-05-29 |
| 9981272 | Techniques for transporting synthetic beads or bubbles in a flotation cell or column | Mark R. Fernald, Francis K. Didden, Douglas H. Adamson | 2018-05-29 |
| 9943860 | Mineral recovery in tailings using functionalized polymers | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2018-04-17 |
| 9827574 | Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2017-11-28 |
| 9731221 | Apparatus having polymer surfaces having a siloxane functional group | Mark R. Fernald, Francis K. Didden, Douglas H. Adamson | 2017-08-15 |
| 9645001 | Performance monitoring of individual hydrocyclones using sonar-based slurry flow measurement | Alex M. Van Der Spek, Robert J. Maron, Christian V. O'Keefe, Douglas H. Loose | 2017-05-09 |
| 9352335 | Synthetic beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2016-05-31 |
| 9327294 | Synthetic bubbles or beads having hydrophobic surface | Mark R. Fernald, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2016-05-03 |
| 9302270 | Mineral separation using functionalized filters and membranes | Mark R. Fernald, Francis K. Didden, Douglas H. Adamson | 2016-04-05 |
| 9291490 | Applications of sonar-based VF/GVF metering to industrial processing | Robert J. Maron, Christian V. O'Keefe | 2016-03-22 |
| 7426852 | Submersible meter for measuring a parameter of gas hold-up of a fluid | — | 2008-09-23 |
| 7328113 | Method for calibrating a volumetric flow meter having an array of sensors | Daniel L. Gysling, Douglas H. Loose, Alex Kravets | 2008-02-05 |
| 7139667 | Method for calibrating a volumetric flow meter having an array of sensors | Daniel L. Gysling, Douglas H. Loose, Alex Kravets | 2006-11-21 |
| 5619968 | Electronic ignition system with pre-ignition prevention apparatus and method | Mitchell C. Hillsberg | 1997-04-15 |