Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385892 | System and method for providing hydraulic power | Sharath Cugati, Christoper Williamson, Pengfei Ma, Sean Johnson, James W. Fuerst +1 more | 2019-08-20 |
| 10100494 | Closed-loop control of swing | Douglas W. Seeger, Christopher Alan Williamson | 2018-10-16 |
| 7213502 | Robustly stable servo-controlled metering poppet valve | — | 2007-05-08 |
| 7130721 | Electrohydraulic control system | Jerry A. Wear, Hongliu Du, Greg A. Ferkol, Jeff Kuehn, Jason L. Brinkman | 2006-10-31 |
| 7121189 | Electronically and hydraulically-actuated drain value | Yun Guo, Mikhall A. Sorokine, Aleksandar Egelja, Pengfei Ma | 2006-10-17 |
| 6848888 | Sensor for a variable displacement pump | Hongliu Du | 2005-02-01 |