Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137085 | Gear pump with slots in teeth to reduce cavitation | Weishun Ni, Steven A. Heitz, Joseph Wetch | 2012-03-20 |
| 8113804 | Vane pump with rotating cam ring and increased under vane pressure | Steven A. Heitz | 2012-02-14 |
| 7094042 | Dual-inlet gear pump with unequal flow capability | David W. Borgetti, Timothy P. Walgren | 2006-08-22 |