| 9945396 |
Fluid systems for machines with integrated energy recovery circuit |
Tonglin Shang, Aleksandar Egelja, Jiao Zhang, Pengfei Ma, Dayao Chen |
2018-04-17 |
| 8479504 |
Hydraulic system having an external pressure compensator |
Philippe Vande Kerckhove, James A. Aardema, Pengfei Ma |
2013-07-09 |
| 8336232 |
Multi-function wheel loader linkage control with optimized power management |
Aleksandar Egelja, Jiao Zhang |
2012-12-25 |
| 7908852 |
Control system for recovering swing motor kinetic energy |
Jiao Zhang, Pengfei Ma, Michael Schwab, Tonglin Shang |
2011-03-22 |
| 7269944 |
Hydraulic system for recovering potential energy |
Jiao Zhang, Pengfei Ma, Michael Schwab, Tonglin Shang |
2007-09-18 |
| 7243493 |
Valve gradually communicating a pressure signal |
Pengfei Ma, Jiao Zhang, Jeff Kuehn |
2007-07-17 |