Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8926220 | Process for thickening a drilling mud waste materials and a modified drilling mud waste material | Craig D. Iman, James T. George, James S. Herceg, Craig W. Vaughan | 2015-01-06 |
| 8093303 | Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake | Keith C. Hovland, Monica A. Yorke, Charles R. Sundberg, Michael P. Lesar, Ruta O. Rakutis | 2012-01-10 |
| 7824553 | Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake | Keith C. Hovland, Monica A. Yorke, Charles R. Sundberg, Michael P. Lesar, Ruta O. Rakutis | 2010-11-02 |