Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667686 | Hydrocyclone for liquid - liquid separation and method | — | 1997-09-16 |
| 5605172 | Fluid control valve and method for subjecting a liquid to a controlled pressure drop | Frank Skilbeck | 1997-02-25 |
| 5498346 | Hydrocyclones for oil spill cleanup having a controlled split ratio | David Hadfield | 1996-03-12 |
| 5366641 | Hydrocyclones for oil spill cleanup with oil slug monitor | David Hadfield | 1994-11-22 |
| 5302294 | Separation system employing degassing separators and hydroglyclones | David Hadfield | 1994-04-12 |
| 5071557 | Liquid/liquid hydrocyclone | Reimer Hansen | 1991-12-10 |