Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875489 | Reduction of particulate, NOx, and ammonia emissions | Yisun Cheng, Giovanni Cavataio | 2014-11-04 |
| 8726638 | Reduction of NOx trap at engine shutoff | John William Hoard, Lifeng Xu, Robert Walter McCabe | 2014-05-20 |
| 8209955 | Reduction of particulate, NOx, and ammonia emissions | Yisun Cheng, Giovanni Cavataio | 2012-07-03 |
| 8096111 | Reduction of NOx trap at engine shutoff | John William Hoard, Lifeng Xu, Robert Walter McCabe | 2012-01-17 |
| 7788910 | Particulate filter regeneration and NOx catalyst re-activation | Robert Walter McCabe, Lifeng Xu, John William Hoard | 2010-09-07 |
| 7320781 | Method for adjusting a reductant used in an internal combustion engine to reduce NOx | Christine Kay Lambert, Robert Henry Hammerle | 2008-01-22 |
| 6532736 | Emission control system with a catalyst | Robert Henry Hammerle, Paul M. Laing | 2003-03-18 |
| 6502386 | Catalyst monitoring in a diesel engine | Christopher John Mazur, Paul M. Laing, Robert Henry Hammerle | 2003-01-07 |
| 6305160 | Emission control system | Robert Henry Hammerle, Paul M. Laing | 2001-10-23 |
| 6295809 | Emission control system with a catalyst | Robert Henry Hammerle, Paul M. Laing | 2001-10-02 |
| 6182443 | Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent | Mottlene Jarvis | 2001-02-06 |
| 5443660 | Water-based no-clean flux formulation | Guilian Gao, Jay DeAvis Baker, Brenda Joyce Nation | 1995-08-22 |
| 4508691 | Method for treating exhaust gases with an improved catalyst composition | Haren S. Gandhi | 1985-04-02 |
| 4389382 | Method of using a simplified low cost catalyst system | Haren S. Gandhi | 1983-06-21 |
| 4374103 | Method of using a low cost catalyst system | Haren S. Gandhi | 1983-02-15 |