Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9878737 | Hydraulic steering control system | Carl McIlheran, David A. Mork, Christopher W. Johnson, Michael Hudson | 2018-01-30 |
| 9869359 | Hydraulic system with an unloading valve | Carl McIlheran, Andrew J. Kleitsch, John Cody Vacca, Michael Hudson, Derek W. Holmes | 2018-01-16 |
| 9764671 | Unloading relief valve | John Cody Vacca, Bala Natarajan Balashanmugam, Partiban Chengalvarayan, Carl McIlheran, Thomas Dale Morris | 2017-09-19 |
| 8966890 | Method and arrangement for active make-up in an overrunning actuator | Troy A. Shawgo, Daniel H. Killion, Vishnu Irigireddy, Deepak Amaravadi, Dayao Chen +5 more | 2015-03-03 |
| 7658065 | Hydraulic system having in-sump energy recovery device | David P. Smith, Igor Strashny | 2010-02-09 |
| 7631738 | Fluidly actuated sprag | David P. Smith, Eric Lauterbach, Jonathan Lewis Buelow | 2009-12-15 |
| 7497156 | Fluid motor | David P. Smith, Eric Lauterbach, Jonathan Lewis Buelow | 2009-03-03 |
| 7444809 | Hydraulic regeneration system | David P. Smith | 2008-11-04 |
| 7258058 | Metering valve with integral relief and makeup function | David P. Smith, Wayne W. Lark | 2007-08-21 |
| 7240604 | Electro-hydraulic metering valve with integral flow control | David P. Smith | 2007-07-10 |
| 6955115 | Hydraulic circuit having pressure equalization during regeneration | Michael A. A'Hearn, Thomas J. Hajek, Sr., Larry W. Lorimor, Srikrishnan T. Tolappa | 2005-10-18 |
| 6782697 | Pressure-compensating valve with load check | — | 2004-08-31 |
| 6293181 | Control system providing a float condition for a hydraulic cylinder | Thomas J. Hajek, Jr., Srikrishnan T. Tolappa | 2001-09-25 |
| 5546847 | Hydraulic cylinder snubbing arrangement | Charles E. Rector, Steven R. Wells, Robin S. Arndt | 1996-08-20 |