Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10898886 | Hydrocarbon and nitrogen oxides catalyst trap | Lifeng Xu, Giovanni Cavataio, Jeffrey Scott Hepburn, Gang Guo | 2021-01-26 |
| 9903291 | Method of controlling NOx by PNA | Joseph Robert Theis, Christine Kay Lambert | 2018-02-27 |
| 9782761 | Selective catalytic reduction catalyst | Christine Kay Lambert, Giovanni Cavataio | 2017-10-10 |
| 9394822 | Emission control system including an oxidation catalyst and selective catalytic reduction catalyst | Christine Kay Lambert, Douglas Allen Dobson | 2016-07-19 |
| 7870724 | Lean NOx trap with PGM zoned axially | Joseph Robert Theis, Christian T. Goralski | 2011-01-18 |
| 7718150 | Reverse platinum group metal zoned lean NOx trap system and method of use | Joseph Robert Theis, Robert Walter McCabe | 2010-05-18 |
| 7673445 | Mechanical apparatus having a catalytic NOx storage and conversion device | Christian T. Goralski, Joseph Robert Theis, Gopichandra Surnilla, Shane Elwart | 2010-03-09 |
| 7481046 | Method of desulfating a NOx storage and conversion device | Christian T. Goralski, Joseph Robert Theis | 2009-01-27 |
| 7238640 | Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity | Hungwen Jen, Gopichandra Surnilla, Christian T. Goralski, Joseph Robert Theis | 2007-07-03 |
| 6823843 | System and method to minimize the amount of NOx released from a NOx trap | Christian T. Goralski, Joseph Robert Theis, Gopichandra Surnilla, Hungwen Jen | 2004-11-30 |