Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024708 | Cold planer yield measurement system | John L. Marsolek, Nicholas J. Argenziano, Eric S. Engelmann | 2018-07-17 |
| 9975538 | Milling machine fuel efficiency control system | — | 2018-05-22 |
| 9651067 | Hydraulic system with a dynamic seal | Matthew J. Beschorner, Eric C. Hughes, Mikhail A. Sorokine, Thomas J. Hajek, Jr., Aleksandra M. Egelja | 2017-05-16 |
| 9464580 | Torque limit control | Eric S. Engelmann | 2016-10-11 |
| 8635903 | Method and system for compaction measurement | Nicholas A. Oetken, Kristopher A. Hanson, Bryan J. Downing | 2014-01-28 |
| 8631650 | Hydraulic system and method for control | Michael T. Verkuilen, John J. Krone, Douglas W. Koehler | 2014-01-21 |
| 8479504 | Hydraulic system having an external pressure compensator | Philippe Vande Kerckhove, Pengfei Ma, Kalpesh Patel | 2013-07-09 |
| 8424836 | Bidirectional force feedback poppet valve | Pengfei Ma, Philippe Vande Kerckhove | 2013-04-23 |
| 7293579 | Poppet valve arrangements | Rudy V. Mills, David P. Smith | 2007-11-13 |
| 6199378 | Off-setting rate of pressure rise in a fluid system | Thomas J. Hajek, Jr., Douglas W. Koehler, Edward William Mate, Vincent Triffaux | 2001-03-13 |
| 5960695 | System and method for controlling an independent metering valve | Douglas W. Koehler | 1999-10-05 |
| 5947140 | System and method for controlling an independent metering valve | Douglas W. Koehler | 1999-09-07 |
| 5906351 | Integrated electrohydraulic actuator | Edward William Mate, Srikrishnan T. Tolappa, Thomas J. Hajek, Jr. | 1999-05-25 |
| 5880957 | Method for programming hydraulic implement control system | David G. Blahnik, Stephen J. Jackson, Steven D. Monday, Amy L. Moore-McKee, David W. Stevens | 1999-03-09 |
| 5645263 | Pilot valve for a flow amplyifying poppet valve | — | 1997-07-08 |
| 5568759 | Hydraulic circuit having dual electrohydraulic control valves | — | 1996-10-29 |
| 5137254 | Pressure compensated flow amplifying poppet valve | Andrew H. Nippert, Lawrence F. Schexnayder | 1992-08-11 |
| 4832321 | Variable stiffness spring suspension | — | 1989-05-23 |