Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7465153 | Diverter for reducing wear in a slurry pump | Thomas G. Mueller, Stephan Bross, John Maffett | 2008-12-16 |
| 7189054 | Self-compensating clearance seal for centrifugal pumps | — | 2007-03-13 |
| 6739829 | Self-compensating clearance seal for centrifugal pumps | — | 2004-05-25 |
| 6582191 | Liner for centrifugal slurry pumps | Edward L. Ray | 2003-06-24 |
| 6450023 | Method and apparatus for air testing pumps | Peter Hergt | 2002-09-17 |
| 6431831 | Pump impeller with enhanced vane inlet wear | Peter Hergt | 2002-08-13 |
| 6428268 | Pump with auxiliary impeller vane inlet device | Peter Hergt | 2002-08-06 |
| 6053698 | High capacity slurry pump | Peter Hergt, Robert J. Visintainer | 2000-04-25 |
| 6033187 | Method for controlling slurry pump performance to increase system operational stability | — | 2000-03-07 |
| 5813833 | High capacity, large sphere passing, slurry pump | Robert J. Visintainer | 1998-09-29 |
| 4923369 | Slurry pump having increased efficiency and wear characteristics | Robert J. Visintainer | 1990-05-08 |
| 4872809 | Slurry pump having increased efficiency and wear characteristics | Robert J. Visintainer | 1989-10-10 |
| 4527948 | Pump adjustment assembly | — | 1985-07-09 |