Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184436 | Fluid injector supply system and method for operating same | Scott F. Shafer, Martin Lehman, Lifeng Wang, Taylor Tang, Andrew O. Marrack +1 more | 2019-01-22 |
| 10036314 | Fuel system flush circuitry and method for operating the same | Martin Lehman, Scott F. Shafer | 2018-07-31 |
| 10036401 | Recirculating pump inlet | Scott F. Shafer | 2018-07-31 |
| 9957940 | Fluid conditioning module | Scott F. Shafer, Steven Y. Tian, Martin Lehman | 2018-05-01 |
| 9447740 | Engine system having hydraulically actuated gas injector | Aaron Michael Brown, Lifeng Wang, Scott F. Shafer, Alan R. Stockner, Martin Lehman | 2016-09-20 |
| 9303604 | Asymmetrical orifice for bypass control | Scott F. Shafer, Martin Lehman, Alan W. Wells, Lifeng Wang | 2016-04-05 |
| 9291133 | Shaft arrangement for an axial piston pump assembly | Michael E. Pickell, Bryan E. Nelson, Satyasai C. Avasarala | 2016-03-22 |
| 8991360 | Coaxial quill assembly retainer and common rail fuel system using same | — | 2015-03-31 |
| 8833344 | Dual fuel injector feed using differential length quills | Mark F. Sommars | 2014-09-16 |
| 8726884 | Quill assembly for a dual fuel common rail fuel system | — | 2014-05-20 |
| 6647770 | Apparatus and method for testing internal combustion engine valves | Mysore S. Satish, Timothy Edward McGreevy, James J. Buettner, David A. Cusac, Gregory J. Kaufmann +8 more | 2003-11-18 |
| 6626137 | Automatic lash adjuster | — | 2003-09-30 |
| 6349686 | Hydraulically-driven valve and hydraulic system using same | Dennis D. Feucht | 2002-02-26 |
| 6092495 | Method of controlling electronically controlled valves to prevent interference between the valves and a piston | — | 2000-07-25 |
| 5931131 | Valve cover assembly having an integrated heat exchanger for cooling exhaust gases | — | 1999-08-03 |
| 5927257 | Pressure compensating exhaust gas recirculation valve | — | 1999-07-27 |
| 5724939 | Exhaust pulse boosted engine compression braking method | James J. Faletti | 1998-03-10 |
| 5692462 | Transfer valve assembly providing variable valve lash | — | 1997-12-02 |
| 5647307 | Valving for dual compression/expansion engine and method of assembling the same | John M. Clarke | 1997-07-15 |
| 5611308 | Apparatus for interconnecting an actuator and an exhaust valve opening member | — | 1997-03-18 |
| 5435280 | Method of mounting a ceramic valve guide assembly | Michael H. Haselkorn | 1995-07-25 |
| 5372103 | Method of mounting a ceramic valve guide assembly | Michael H. Haselkorn | 1994-12-13 |
| 5365894 | Valve actuation device | — | 1994-11-22 |
| 5205259 | Modified cylinder head | John M. Clarke, James J. Faletti | 1993-04-27 |
| D316986 | Body for utility vehicle | Kevin K. Hunter, Kintaro Matsumoto | 1991-05-21 |