Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647536 | Injection rate shaping nozzle assembly for a fuel injector | B. M. Yen, J. P. Perr, A. S. Ghuman, Dennis Ashwill | 1997-07-15 |
| 5619969 | Fuel injection rate shaping control system | Chung Y. Liu, Benjamin M. Yen, Julius P. Perr, Russ P. Durrett, Donald N. Case +4 more | 1997-04-15 |
| 5611317 | Open nozzle fuel injector having drive train wear compensation | Julius P. Perr, Yul J. Tarr | 1997-03-18 |
| 5607106 | Low inertia, wear-resistant valve for engine fuel injection systems | Joseph C. Bentz, John T. Carroll, III, Thomas M. Yonushonis, Jeffrey L. Campbell | 1997-03-04 |
| 5533672 | Dual event nozzle for low opening and high closing pressure injector | — | 1996-07-09 |
| 5518030 | Three-way flow valve with variable drain orifice area | Chung Y. Liu, Benjamin M. Yen, Julius P. Perr | 1996-05-21 |
| 5441027 | Individual timing and injection fuel metering system | David L. Buchanon, Julius P. Perr, Yul J. Tarr | 1995-08-15 |
| 5409165 | Wear resistant fuel injector plunger assembly | John T. Carroll, III, Katsuhiro Shinosawa, Jeffrey L. Campbell, Joseph C. Bentz | 1995-04-25 |
| 5404855 | Variable displacement high pressure pump for fuel injection systems | Bai Mao Yen, Julius P. Perr, Bryan W. Swank | 1995-04-11 |
| 5353766 | Distributor for a high pressure fuel system | Bai Mao Yen, Julius P. Perr | 1994-10-11 |
| 5326034 | Compact closed nozzle assembly for a fuel injector | — | 1994-07-05 |
| 5299738 | High pressure fuel injector with cushioned plunger stop | David P. Genter | 1994-04-05 |
| 5277162 | Infinitely variable hydromechanical timing control | Edward D. Smith, David L. Buchanan | 1994-01-11 |
| 5098260 | Position-servo device for positioning a stop in a positive displacement fuel injection system | Edward D. Smith | 1992-03-24 |
| 5094397 | Unit fuel injector with injection chamber spill valve | Julius P. Perr | 1992-03-10 |
| 5042445 | Electronic controlled fuel supply system for high pressure injector | Julius P. Perr, Edward D. Smith | 1991-08-27 |
| 5037031 | Reduced trapped volume | Jeffery L. Campbell, Gary L. Gant, Leslie A. Roettgen, David P. Genter, Kevin R. Wadell | 1991-08-06 |
| 4986472 | High pressure unit fuel injector with timing chamber pressure control | Timothy Warlick, Jeffrey L. Campbell, Michael E. Lucas, Julius P. Perr, Kuang-Wen T. Wan | 1991-01-22 |
| 4971016 | Electronic controlled fuel supply system for high pressure injector | Julius P. Perr, Edward D. Smith | 1990-11-20 |
| 4909219 | Hydromechanical fuel pump system | Julius P. Perr, Edward D. Smith | 1990-03-20 |
| 4621605 | Positive displacement fuel injection system | Alfred W. Carey, Jr. | 1986-11-11 |
| 4463901 | Unit fuel injector having independently controlled timing and metering | Julius P. Perr | 1984-08-07 |
| 4441654 | Fuel injector assembly including a blow-back prevention cam | — | 1984-04-10 |
| 4410138 | Unit injector cooled by timing control fluid | Timothy Warlick | 1983-10-18 |
| 4294109 | Test apparatus for hydraulic valve | John W. Black | 1981-10-13 |