Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11952735 | Subterranean placement of lignocellulosic materials | Laurence E. Allen, IV | 2024-04-09 |
| 8450382 | Compositions of material containing recycled plastics | Brian L. Riise, Ron C. Rau, Michael B. Biddle | 2013-05-28 |
| 7884140 | Compositions of materials containing recycled plastics | Brian L. Riise, Ron C. Rau, Michael B. Biddle | 2011-02-08 |
| 7802685 | Multistep separation of plastics | Brian L. Riise, Paul C. Allen, Ron C. Rau, Michael B. Biddle | 2010-09-28 |
| 7111738 | Technique for enhancing the effectiveness of slurried dense media separations | — | 2006-09-26 |
| 7063213 | Mediating electrostatic separation | Brian L. Riise | 2006-06-20 |
| 6452126 | Electrostatic separation enhanced by media addition | Chuanfu XIAO | 2002-09-17 |
| 6335376 | Apparatus and method for enhancing partitioning of different polymeric materials from a mixture by density differential alteration | Darren F. Arola | 2002-01-01 |
| 6238579 | Device for separating solid particles in a fluid stream | Blaine K. Paxton, Larry G. Heald | 2001-05-29 |