Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135597 | Method and system for releasing mineral from synthetic bubbles and beads | Paul J. Rothman, Francis K. Didden, Christian V. O'Keefe, Douglas H. Adamson | 2021-10-05 |
| 11117141 | Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads | Paul J. Rothman, Francis K. Didden, Christian V. O'Keefe, Alan D. Kersey, Douglas H. Adamson | 2021-09-14 |
| 11035826 | Method and apparatus for determining GVF—gas volume fraction—for aerated fluids and liquids in flotation tanks, columns, drums, tubes, vats | Timothy J. Bailey, Douglas H. Loose, James M. Sullivan, John Biesak, Alan D. Kersey +1 more | 2021-06-15 |
| 10981181 | Mineral beneficiation utilizing engineered materials for mineral separation and coarse particle recovery | Paul J. Rothman, Peter A. Amelunxen | 2021-04-20 |