Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966812 | Multi-stage regeneration of particulate filter | Lifeng Xu, William Charles Ruona, George Graham, Robert Walter McCabe | 2011-06-28 |
| 7749474 | Catalyst composition for use in a lean NOx trap and method of using | John Li, Christian T. Goralski, Harendra S. Gandhi | 2010-07-06 |
| 7622095 | Catalyst composition for use in a lean NOx trap and method of using | John Li, Christian T. Goralski, George Graham, Harendra S. Gandhi | 2009-11-24 |
| 7329629 | Catalyst system for lean burn engines | Haren S Gandhi, Jun Li, Joseph Robert Theis, Ronald G. Hurley | 2008-02-12 |
| 7199078 | Vehicle sulfur oxide trap and related method | Amy Berris, Jun Li, Mohinder S. Chattha | 2007-04-03 |
| 7137249 | Thermally stable lean nox trap | John Li, Christian T. Goralski | 2006-11-21 |
| 7021049 | Vehicle sulfur oxide trap and related method | Amy Berris, Jun Li, Mohinder S. Chattha | 2006-04-04 |
| 6607704 | Sulfur tolerant lean NOx trap | Diane Guttridge, Jun Li, Mohinder S. Chattha, Robert J. Kudla | 2003-08-19 |
| 6537511 | Modified platinum NOx trap for automotive emission reduction | Mohinder S. Chattha, Jun Li, Amy Berris | 2003-03-25 |
| 6378359 | Method and system for evaluating exhaust on-board diagnostics system | Douglas Allen Dobson, Jeffrey Scott Hepburn, Michael Igor Kluzner, Robert Joseph Jerger, Timothy Brian Chanko | 2002-04-30 |
| 6296822 | Process for manufacturing nox traps with improved sulfur tolerance | Jeffrey Scott Hepburn, John Denari | 2001-10-02 |
| 6129898 | NOx trap catalyst for lean burn engines | Robert J. Kudla, Mohinder S. Chattha | 2000-10-10 |
| 5939037 | Sulfur tolerant NO.sub.x traps highly loaded with sodium or potassium | Jeffrey Scott Hepburn | 1999-08-17 |
| 5866498 | Composite catalysts for hydrocarbon oxidation | Mohinder S. Chattha, Somasundaram Subramanian | 1999-02-02 |
| 5837212 | Potassium/manganese nitrogen oxide traps for lean-burn engine operation | Jeffrey Scott Hepburn, Eva Thanasiu, Carolyn Parks Hubbard, Douglas Allen Dobson, Haren Sakarlal Gandhi | 1998-11-17 |
| 5758489 | Sulfur tolerant Pt/lithium NOx traps | Jeffrey Scott Hepburn | 1998-06-02 |
| 5753192 | Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance | Douglas Allen Dobson, Carolyn Parks Hubbard | 1998-05-19 |
| 5750082 | Nox trap with improved performance | Jeffrey Scott Hepburn, Eva Thanasiu, Carolyn Parks Hubbard, Douglas Allen Dobson, Haren Sakarlal Gandhi | 1998-05-12 |
| 5556825 | Automotive catalysts with improved oxygen storage and metal dispersion | Mordecai Shelef, Rengin K. Usmen, George Graham, Robert Walter McCabe | 1996-09-17 |
| 5376344 | Three-way catalyst for automotive emission control | Mohinder S. Chattha, Haren S. Gandhi | 1994-12-27 |
| 5234881 | Binary LA-PA oxide catalyst and method of making the catalyst | Chaitanya K. Narula, Mohinder S. Chattha | 1993-08-10 |
| 5210062 | Aluminum oxide catalyst supports from alumina sols | Chaitanya K. Narula, Mordecai Shelef | 1993-05-11 |
| 5208204 | Three-way catalyst for treating emissions from compressed natural gas fueled engines | Somasundaram Subramanian, Mohinder S. Chattha | 1993-05-04 |
| 5196175 | Dispersion enhanced PT group metal catalysts | Somasundaram Subramanian, Mohinder S. Chattha | 1993-03-23 |
| 5179060 | Dispersion enhanced PT group metal catalysts and method of making the catalysts | Somasundaram Subramanian, Mohinder S. Chattha | 1993-01-12 |