Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491501 | Progressing cavity pump system for transporting high-solids, high-viscosity, dewatered materials | Charles Leonard Snyder, III, Todd Brown, Richard A. Sliwinski | 2002-12-10 |
| 5820354 | Cascaded progressing cavity pump system | Kamran Z. Mirza, Sheldon Chang | 1998-10-13 |
| 5722820 | Progressing cavity pump having less compressive fit near the discharge | Kamran Z. Mirza | 1998-03-03 |
| 5688114 | Progressing cavity pumps with split extension tubes | John A. Millington | 1997-11-18 |
| 4639200 | Sealing apparatus for a gear ball joint | Terry A. Baumgardner, Jere L. Krouse | 1987-01-27 |