Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9248854 | Electro-hydraulic steering control system | Daryl Belshan, Beau D. Kuipers, Edward William Mate | 2016-02-02 |
| 7204185 | Hydraulic system having a pressure compensator | Pengfei Ma, Jiao Zhang, Aleksandar Egelja, Robert Scot Lehmann, Michael A. Sorokine | 2007-04-17 |
| 5077972 | Load pressure duplicating circuit | Donald L. Bianchetta | 1992-01-07 |
| 5067389 | Load check and pressure compensating valve | — | 1991-11-26 |
| 4914913 | Load responsive flow amplified control system for power steering | John B. Waggoner | 1990-04-10 |
| 4700794 | Vehicle steering apparatus | James R. Bernhagen, Elmer R. Crabb, Marilyn S. Murphy, Daniel G. Roley, James H. Tunnell | 1987-10-20 |