Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915368 | Electrohydraulic valve having dual-action right-angle pilot actuator | — | 2018-03-13 |
| 9897228 | Valve having opposing right-angle actuators | Matthew J. Beschorner | 2018-02-20 |
| 9803661 | Valve having right-angle proportional and directional pilot actuators | — | 2017-10-31 |
| 9371843 | Failsafe pilot supply selector valve | Paul Moser, Jeffrey Allan Digby, Wendell D. Stahl | 2016-06-21 |
| 9366272 | Hydraulic system having low speed operation | Susan E. Bieker, Eric P. Jakubiak, John J. Kaufman, Edward William Mate, Scott Vollmer +2 more | 2016-06-14 |
| 7434392 | Configurable hydraulic system for agricultural tractor and implement combination | — | 2008-10-14 |
| 7422033 | Position feedback pilot valve actuator for a spool control valve | — | 2008-09-09 |
| 7415989 | Spool activated lock-out valve for a hydraulic actuator load check valve | — | 2008-08-26 |
| 7021332 | Hydraulic valve section with reduced bore distortion | Jason Greenwood | 2006-04-04 |
| 6871574 | Hydraulic control valve assembly having dual directional spool valves with pilot operated check valves | — | 2005-03-29 |
| 6869060 | Hydraulic poppet valve with force feedback | Michael J. Paik | 2005-03-22 |
| 6698523 | Electrohydraulic control system for implement lift cylinders | — | 2004-03-02 |
| 6318079 | Hydraulic control valve system with pressure compensated flow control | — | 2001-11-20 |
| 6269885 | Blade height control system for a motorized grader | Patrick Mullins | 2001-08-07 |
| 5921279 | Solenoid operated dual spool control valve | — | 1999-07-13 |
| 5279121 | Flow control valve with pilot operation and pressure compensation | — | 1994-01-18 |
| 5201174 | Auxiliary hydraulic pump system | Gregory E. Sparks | 1993-04-13 |
| 4967851 | Agricultural depth control system including cross plumbed series cylinders | — | 1990-11-06 |
| 4713936 | Motor seal protector valve | Larry M. Delfs, Ronnie Franklin Burk | 1987-12-22 |