Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944168 | High pressure multistage centrifugal pump for fracturing hydrocarbon reserves | Dana Pettigrew, Zoran Vukadin | 2015-02-03 |
| 5667314 | Horizontal thrust bearing assembly | Robert DeLong | 1997-09-16 |