Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887695 | Fuels for homogenous charge compression ignition engines | Jimell Erwin, Thomas W. Ryan, III | 2011-02-15 |
| 7721541 | Secondary internal combustion device for providing exhaust gas to EGR-equipped engine | Charles E. Roberts, Jr. | 2010-05-25 |
| 7299623 | Method for controlling exhaust gas temperature and space velocity during regeneration to protect temperature sensitive diesel engine components and aftertreatment devices | Ryan C. Roecker, Charles E. Roberts, Jr., Lee G. Dodge, Christopher J. Chadwell, Darius Mehta +1 more | 2007-11-27 |
| 7017547 | Method and apparatus for controlling liquid-phase fuel penetration distance in a direct-fuel injected engine | Darius Mehta, Lee G. Dodge, Charles E. Roberts, Jr. | 2006-03-28 |
| 6966309 | In-cylinder reburn method for emissions reduction | Charles E. Roberts, Jr. | 2005-11-22 |
| 6962143 | High-efficiency, low emission gasoline engines for heavy-duty applications | Thomas W. Ryan, III, Robert W. Burrahm, Charles E. Roberts, Jr., James Snyder, Lee G. Dodge +3 more | 2005-11-08 |
| 6948310 | Use of a variable valve actuation system to control the exhaust gas temperature and space velocity of aftertreatment system feedgas | Charles E. Roberts, Jr., Andrew Matheaus, David P. Branyon, Lee G. Dodge, Thomas W. Ryan, III +1 more | 2005-09-27 |
| 6732507 | NOx aftertreatment system and method for internal combustion engines | Ryan C. Roecker, Charles E. Roberts, Jr., Daniel W. Stewart | 2004-05-11 |
| 6679224 | Method and apparatus for operating a diesel engine under stoichiometric or slightly fuel-rich conditions | — | 2004-01-20 |
| 6662760 | Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine | Charles E. Roberts, Jr., Daniel W. Stewart | 2003-12-16 |
| 6637381 | Oxygenated fuel plus water injection for emissions control in compression ignition engines | Daniel W. Dickey | 2003-10-28 |
| 6543398 | High efficiency compression ignition aftertreatment devices for combined use of lean-burn combustion systems and three-way catalysts | Charles E. Roberts, Jr. | 2003-04-08 |
| 6460491 | Method of water/fuel co-injection for emissions control during transient operating conditions of a diesel engine | Daniel W. Dickey | 2002-10-08 |
| 6378489 | Method for controlling compression ignition combustion | Charles E. Roberts, Jr., Daniel W. Dickey, Thomas W. Ryan, III, Jeffrey A. Leet, Lee G. Dodge +1 more | 2002-04-30 |
| 6240912 | Method for in-cylinder catalytic oxidation of hydrocarbons in direct injected spark ignition engines | Charles E. Roberts, Jr. | 2001-06-05 |
| 6119637 | On-board gasoline distillation for reduced hydrocarbon emissions at start-up | Ronald D. Matthews, George Carver Davis, Wengang Dai | 2000-09-19 |