Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536271 | Pump with integral flow monitoring | Lloyd D. Hanson | 2003-03-25 |
| 5143515 | Pump with seal purge heater | Clark S. Boster, Carl F. Reimers, Gordhan K. Vaghasia | 1992-09-01 |
| RE31259 | Two-stage turbo compressor | William L. Kuivinen | 1983-05-31 |
| 4231702 | Two-stage turbo compressor | William L. Kuivinen | 1980-11-04 |
| 4219917 | Pump modification for matching performance | John L. Bearden, John J. Tuzson | 1980-09-02 |