Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9097149 | Aspirator for crankcase ventilation and vacuum generation | Todd Anthony Rumpsa, Ross Dykstra Pursifull | 2015-08-04 |
| 9010116 | Method and system for providing vacuum | Ralph Wayne Cunningham, Moses Alexander Fridman, Todd Anthony Rumpsa, Clifford E. Maki, Ross Dykstra Pursifull | 2015-04-21 |
| 8821349 | Method and system for controlling engine air | Ralph Wayne Cunningham, Ross Dykstra Pursifull | 2014-09-02 |
| 8752475 | Method and system for improving vehicle braking | Ralph Wayne Cunningham, Ross Dykstra Pursifull | 2014-06-17 |
| 8683800 | Method and system for providing vacuum | Ralph Wayne Cunningham, Moses Alexander Fridman, Todd Anthony Rumpsa, Cliff Maki, Ross Dykstra Pursifull | 2014-04-01 |
| 8343011 | Method and system for controlling engine air | Ralph Wayne Cunningham, Ross Dykstra Pursifull | 2013-01-01 |
| 7373924 | Method and system to mitigate pump noise in a direct injection, spark ignition engine | Eric Krengel, Deanna Marie Winton Hoffman | 2008-05-20 |