Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428336 | Ball float vent valve | William N. O'Neill, Bruno L. Risatti, Michael A Zolvinski, Bill F. Erdman | 2022-08-30 |
| 11144594 | Search method, search apparatus and non-temporary computer-readable storage medium for text search | Ming-Te Liu, Mengmeng Pang, Tao Feng, Zhizhao Zeng, Yongchao WEI +1 more | 2021-10-12 |
| 11052881 | Hydraulic retarding control system | William F. Erdman, Edward William Mate | 2021-07-06 |
| 10837472 | Hydraulic cylinder health monitoring and remaining life system | Kalpeshkumar N. Patel | 2020-11-17 |
| 10467881 | Hydraulic accumulator health monitoring and remaining life system | Aleksandar Egelja, Kalpeshkumar N. Patel | 2019-11-05 |
| 10174770 | System and method of hydraulic energy recovery for machine start-stop and machine ride control | Jiao Zhang, Sudheer Holenarasipura | 2019-01-08 |
| 9951795 | Integration of swing energy recovery and engine anti-idling systems | Tonglin Shang, Pengfei Ma, Jeremy T. Peterson, Emily A. Morris | 2018-04-24 |
| 9945396 | Fluid systems for machines with integrated energy recovery circuit | Tonglin Shang, Aleksandar Egelja, Kalpesh Patel, Jiao Zhang, Pengfei Ma | 2018-04-17 |
| 9932993 | System and method for hydraulic energy recovery | Jiao Zhang, Jeremy T. Peterson, Michael L. Knussman | 2018-04-03 |
| 9809958 | Engine assist by recovering swing kinetic energy | Tonglin Shang, Pengfei Ma | 2017-11-07 |
| 9745940 | Machine having hydraulic start assist system | Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Pengfei Ma | 2017-08-29 |
| 9618014 | Implement system having hydraulic start assist | Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Pengfei Ma | 2017-04-11 |
| 9556591 | Hydraulic system recovering swing kinetic and boom potential energy | Tonglin Shang, Jiao Zhang, Pengfei Ma | 2017-01-31 |
| 9388829 | Hydraulic control system having swing motor energy recovery | Jiao Zhang, Lawrence J. Tognetti, Pengfei Ma, John Ferraz, Jr., Tetsuya Yoshino | 2016-07-12 |
| 9366269 | Hydraulic accumulator health diagnosis | Pengfei Ma, Tonglin Shang, Bryan J. Hillman | 2016-06-14 |
| 9315968 | Hydraulic control system for machine | Tonglin Shang | 2016-04-19 |
| 9290911 | Energy recovery system for hydraulic machine | Pengfei Ma, Tonglin Shang, Jiao Zhang, Gang Wen | 2016-03-22 |
| 9279236 | Electro-hydraulic system for recovering and reusing potential energy | Jiao Zhang, Pengfei Ma, Tonglin Shang, Gang Wen, Bryan E. Nelson | 2016-03-08 |
| 9139982 | Hydraulic control system having swing energy recovery | Pengfei Ma, Jiao Zhang, Tonglin Shang | 2015-09-22 |
| 9086061 | Energy recovery hydraulic system | Jiao Zhang, Gang Wen, Pengfei Ma, Tonglin Shang, Bryan J. Hillman +1 more | 2015-07-21 |
| 9086081 | Hydraulic control system having swing motor recovery | Jiao Zhang, Pengfei Ma, Tonglin Shang, Rustu Cesur, Bryan J. Hillman +3 more | 2015-07-21 |
| 8966890 | Method and arrangement for active make-up in an overrunning actuator | Daniel T. Mather, Troy A. Shawgo, Daniel H. Killion, Vishnu Irigireddy, Deepak Amaravadi +5 more | 2015-03-03 |
| 8919113 | Hydraulic control system having energy recovery kit | Pengfei Ma, Jiao Zhang, Tonglin Shang, Peter Spring, Salik Abdul Syed +2 more | 2014-12-30 |
| 8833143 | Hydraulic accumulator pre-charge pressure detection | Pengfei Ma, Tonglin Shang, Bryan J. Hillman | 2014-09-16 |
| 8776511 | Energy recovery system having accumulator and variable relief | Jiao Zhang, Pengfei Ma, Tonglin Shang, Lawrence J. Tognetti, Jeffrey L. Kuehn | 2014-07-15 |