Watkins; William Lewis Henderson
Patent Applications and Registrations
Patent applications and USPTO patent grants for Watkins; William Lewis Henderson.The latest application filed is for "vehicle-based strategy for removing urea deposits from an scr catalyst".
- Watkins; William Lewis Henderson - Toledo MI
| Patent | Date |
|---|---|
| Vehicle-Based Strategy for Removing Urea Deposits from an SCR Catalyst App 20120216510 - Xu; Lifeng ; et al. | 2012-08-30 |
| Multi-stage regeneration of particulate filter Grant 7,966,812 - Xu , et al. June 28, 2 | 2011-06-28 |
| Multi-Stage Regeneration of Particulate Filter App 20090056310 - Xu; Lifeng ; et al. | 2009-03-05 |
| Catalyst system for lean burn engines Grant 7,329,629 - Gandhi , et al. February 12, 2 | 2008-02-12 |
| Vehicle sulfur oxide trap and related method Grant 7,199,078 - Berris , et al. April 3, 2 | 2007-04-03 |
| An Improved Vehicle Sulfur Oxide Trap And Related Method App 20060105909 - Berris; Amy ; et al. | 2006-05-18 |
| Vehicle sulfur oxide trap and related method Grant 7,021,049 - Berris , et al. April 4, 2 | 2006-04-04 |
| Catalyst system for lean burn engines App 20040082470 - Gandhi, Haren S. ; et al. | 2004-04-29 |
| Noise attenuating emission converter App 20030211020 - Rao, V. Durga Nageswar ; et al. | 2003-11-13 |
| Vehicle sulfur oxide trap and related method App 20030159435 - Berris, Amy ; et al. | 2003-08-28 |
| Sulfur tolerant lean NOx trap Grant 6,607,704 - Guttridge , et al. August 19, 2 | 2003-08-19 |
| A BARIUM SUBSTITUTED-SULFUR TOLERANT LEAN NOx TRAP App 20030129124 - Guttridge , Diane L. ; et al. | 2003-07-10 |
| Sulfur tolerant lean NOx trap App 20030077218 - Guttridge, Diane L. ; et al. | 2003-04-24 |
| Modified platinum NOx trap for automotive emission reduction Grant 6,537,511 - Chattha , et al. March 25, 2 | 2003-03-25 |
| Method and system for evaluating exhaust on-board diagnostics system Grant 6,378,359 - Dobson , et al. April 30, 2 | 2002-04-30 |
| Process for manufacturing nox traps with improved sulfur tolerance Grant 6,296,822 - Hepburn , et al. October 2, 2 | 2001-10-02 |
| NOx trap catalyst for lean burn engines Grant 6,129,898 - Watkins , et al. October 10, 2 | 2000-10-10 |
| Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance Grant 5,753,192 - Dobson , et al. May 19, 1 | 1998-05-19 |
| Nox trap with improved performance Grant 5,750,082 - Hepburn , et al. May 12, 1 | 1998-05-12 |
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