Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106787 | Method of and apparatus for treating fluids to alter their physical characteristics | William W. Rippetoe | 2000-08-22 |
| 6036849 | Process for the removal of hydrocarbons from soils | William W. Rippetoe | 2000-03-14 |
| 5554301 | Water clarification system | William W. Rippetoe | 1996-09-10 |
| 5538081 | Method of increasing the amount of hydrocarbons from an undeground reservoir | William W. Rippetoe | 1996-07-23 |
| 5485883 | Method and apparatus to enhance the recovery of crude oil | William W. Rippetoe | 1996-01-23 |
| 5482629 | Method and apparatus for separating particles from liquids | William W. Rippetoe | 1996-01-09 |