Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006541 | Regulator valve with integrated direct acting solenoid | Robert O. Burkhart, Derek Kinch, John Butwin, Anthony Koenings, Wei-Wei Zhuang | 2018-06-26 |
| 9803637 | Variable displacement hydraulic pump control | Derek Kinch, Mark R. Dobson, Lev Pekarsky | 2017-10-31 |
| 9803638 | Control circuit for transmission variable displacement pump with improved efficiency | Derek Kinch, Mark R. Dobson, Lev Pekarsky | 2017-10-31 |
| 9441732 | Regulator valve with integrated direct acting solenoid | Robert O. Burkhart, Derek Kinch, John Butwin, Anthony Koenings, Wei-Wei Zhuang | 2016-09-13 |
| 9010374 | Regulator valve with integrated direct acting solenoid | Robert O. Burkhart, Derek Kinch, John Butwin, Anthony Koenings, Wei-Wei Zhuang | 2015-04-21 |
| 8960232 | Latch valve for actuating a transmission control element | Robert O. Burkhart, John Butwin, Derek Kinch, Wei-Wei Zhuang, Anthony Koenings | 2015-02-24 |
| 8490640 | Latching pressure regulator | Robert O. Burkhart, John Butwin | 2013-07-23 |
| 7192005 | Control method and controller for a solenoid-operated electrohydraulic control valve | Gary Denyer, Bud Orley Burkhart, Jacob M. Povirk, Stephen Siatczynski, Robert Pavlik | 2007-03-20 |