Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396323 | Electro-hydraulic steering control system | — | 2022-07-26 |
| 10668947 | Electro-hydraulic steering control system | — | 2020-06-02 |
| 7458428 | Towed scraper blade control method | Gregory Joseph Laudick, William Guy Alexander, Jeffrey D. Dawson, Thomas E. Boe | 2008-12-02 |
| 7142968 | Hitch raise rate calibration method | William Guy Alexander, Thomas E. Boe, Jianming Yu | 2006-11-28 |
| 6371158 | Hydraulic system sump standpipe | Yifei Raymond Hou | 2002-04-16 |
| 5394701 | Brake valve with prefill chamber unloading valve | Douglas M. Durant, Larry M. Delfs | 1995-03-07 |
| 5245827 | Supply valve arrangement for closed center hydraulic system | Douglas M. Durant, Larry M. Delfs, Ronald Pratt | 1993-09-21 |
| 5020324 | Charge flow priority circuit | Donald J. MacDonald, James A. Miller | 1991-06-04 |
| 4470259 | Closed center, load sensing hydraulic system | James A. Miller | 1984-09-11 |
| 4470260 | Open center load sensing hydraulic system | James A. Miller | 1984-09-11 |
| 4463557 | Open center hydraulic system | James A. Miller | 1984-08-07 |
| 4463558 | Load sensing hydraulic system | James A. Miller | 1984-08-07 |
| 4381995 | In-line filter and flow control valve | — | 1983-05-03 |