| 8528594 |
Hydraulic system with leakage fluid removal |
— |
2013-09-10 |
| 8156738 |
Hydrostatic transmission having two axial piston units |
— |
2012-04-17 |
| 8142170 |
Radial piston pump |
— |
2012-03-27 |
| 7892130 |
Transmission concept for dual yoke hydrostatic units |
Eric R. Jacobson |
2011-02-22 |
| 6837046 |
Control device for a proportionally adjustable hydraulic pump and a variable displacement pump for a hydrostatic drive |
— |
2005-01-04 |
| 6485387 |
Apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission |
Trent L. Goodnight, Douglas Rene Johnson, David D. Dirks |
2002-11-26 |
| 6339928 |
System for controlling a hydraulic propulsion drive |
— |
2002-01-22 |
| 6283721 |
Production of hydrostatic axial piston machines by means of stepper motors |
— |
2001-09-04 |
| 6260468 |
Single-piece proportional control |
James D. Ryken, David D. Dirks, Doug Kardell |
2001-07-17 |
| 6257119 |
Ball joint for servo piston actuation in a bent axis hydraulic unit |
James D. Ryken, David D. Dirks, Doug Kardell |
2001-07-10 |
| 6202783 |
Hydrostatically driven vehicle with retarder valve |
Lloyd D. Taylor |
2001-03-20 |
| 5881629 |
Control device for variable hydraulic machines |
Eckhard Skirde |
1999-03-16 |
| 5703345 |
Hydrostatic drive with data carrier control |
Manfred Maiers |
1997-12-30 |
| 5628187 |
Method to calibrate a hydrostatic transmission with electronic controls |
— |
1997-05-13 |
| 5390759 |
Driving mechanism for an automotive propel drive |
— |
1995-02-21 |
| 5205201 |
Displacement control valve |
— |
1993-04-27 |