Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523694 | Cylinder liner preload system | Lopek Drzewiecki, Michael J. Kubinski, Andrew Dale Riley | 2009-04-28 |
| 6588318 | Hydraulic retention system for reciprocating pump cylinder liner | Mark A. Staggs | 2003-07-08 |
| 6554523 | Hydraulic rod connector system | Randall Ferrain Weaver | 2003-04-29 |