Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489188 | Means for changing frequencies in rotary equipment | Robert J. Meyer | 1996-02-06 |
| 5125792 | Pump stuffing box with heat exchange device | — | 1992-06-30 |
| 5030018 | Adjustment device for centrifugal pump impeller | — | 1991-07-09 |
| 4990055 | Dynamic seal with flushing protection of static seal | — | 1991-02-05 |
| 4973063 | Tandem mounted face seals | — | 1990-11-27 |