The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2022
Filed:
Aug. 20, 2019
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
David Bergeal, Royston, GB;
Nicholas Dunkley, Royston, GB;
Daniel Hatcher, Royston, GB;
Andrew Izzard, Royston, GB;
Paul Phillips, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 3/035 (2006.01); F01N 13/00 (2010.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 3/2006 (2013.01); F01N 3/206 (2013.01); F01N 3/2013 (2013.01); F01N 3/2066 (2013.01); F01N 9/00 (2013.01); F01N 9/002 (2013.01); F01N 3/035 (2013.01); F01N 3/0807 (2013.01); F01N 3/106 (2013.01); F01N 3/2026 (2013.01); F01N 3/2892 (2013.01); F01N 13/009 (2014.06); F01N 2240/16 (2013.01); F01N 2240/20 (2013.01); F01N 2240/40 (2013.01); F01N 2250/02 (2013.01); F01N 2250/12 (2013.01); F01N 2590/11 (2013.01); F01N 2610/02 (2013.01); F01N 2900/1404 (2013.01); Y02A 50/20 (2018.01); Y02T 10/12 (2013.01); Y02T 10/40 (2013.01);
Abstract
An exhaust system comprising: a NOx storage catalyst; an electric heating element; and a NOx reduction catalyst wherein the heating element is located downstream of the NOx storage catalyst.