Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753424 | Fuel system diagnostics | Aed M. Dudar, Robert Roy Jentz | 2014-06-17 |
| 8744726 | Method for purging fuel vapors | Ralph Wayne Cunningham | 2014-06-03 |
| 8739766 | Method and system for fuel vapor control | Robert Roy Jentz, Ann Irene DeZelia, Aed M. Dudar | 2014-06-03 |
| 8584650 | Ignition energy control for mixed fuel engine | Jason Eugene Devries, John M. Roth, John Hedges | 2013-11-19 |
| 8551214 | Fuel system diagnostics | Aed M. Dudar, Robert Roy Jentz | 2013-10-08 |
| 8521399 | System and method for reducing particulate matter produced by an engine | Eric Krengel | 2013-08-27 |
| 8483934 | Method for purging fuel vapors | Ralph Wayne Cunningham | 2013-07-09 |
| 8439017 | Diagnostic strategy for a fuel vapor control system | Eric A. Macke, Christopher Kragh, Robert Roy Jentz | 2013-05-14 |
| 8371272 | Vapor purge system integrity diagnosis for a hybrid vehicle | Douglas Raymond Martin, Ann Irene Sipes, Robert Roy Jentz, Aed M. Dudar, Guopeng Hu | 2013-02-12 |
| 8336526 | Vapor purge system integrity diagnosis for a hybrid vehicle | Douglas Raymond Martin, Ann Irene Sipes, Robert Roy Jentz, Aed M. Dudar, Guopeng Hu | 2012-12-25 |
| 8191536 | Multi-path evaporative purge system for fuel combusting engine | Jason Eugene Devries | 2012-06-05 |
| 8181631 | Hydrocarbon storage canister purge system and method | Scott A. Bohr, Chris Kragh, Michael Heim | 2012-05-22 |
| 8166952 | Fuel injection control during start-up | David Karl Bidner, John M. Roth | 2012-05-01 |
| 8161732 | System and method to improve engine emissions for a dual fuel engine | John M. Roth, Ken Jahr, Jason Eugene Devries, John Hedges | 2012-04-24 |
| 8020532 | Fuel injection control during start-up | David Karl Bidner, John M. Roth | 2011-09-20 |
| 7980228 | Vehicle fuel vapor management | Steven James Hoffman, John Hedges | 2011-07-19 |
| 7921833 | Fuel injection control during start-up | David Karl Bidner, John M. Roth | 2011-04-12 |
| 7900608 | Fuel vapor purging diagnostics | Richard Shimon, Robert Roy Jentz, Scott A. Bohr, Ross Dykstra Pursifull | 2011-03-08 |
| 7810475 | Fuel vapor purging diagnostics | Richard Shimon, Robert Roy Jentz, Scott A. Bohr, Ross Dykstra Pursifull | 2010-10-12 |
| 7768382 | Vehicle misfueling mitigation system and method | Ralph Wayne Cunningham | 2010-08-03 |
| 6961654 | Controlled engine shutdown for a hybrid electric vehicle | David Lee Boggs, Jerry D. Robichaux, Stephen John Kotre | 2005-11-01 |
| 6868926 | Hybrid electric vehicle and a method for operating a hybrid electric vehicle | David Lee Boggs, Jerry D. Robichaux, Paul Michael Deniston, Stephen John Kotre | 2005-03-22 |
| 6856034 | Method of operating a hybrid electric vehicle to reduce emissions | David Lee Boggs | 2005-02-15 |
| 6763298 | Controlled engine shutdown for a hybrid electric vehicle | David Lee Boggs, Jerry D. Robichaux, Stephen John Kotre | 2004-07-13 |
| 6688411 | Hybrid electric vehicle and a method for operating a hybrid electric vehicle | David Lee Boggs, Jerry D. Robichaux, Paul Michael Deniston, Stephen John Kotre | 2004-02-10 |