Patents by Inventor Ashko Kumar

Ashko Kumar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SCR EXHAUST AFTERTREATMENT APPARATUS, SYSTEM AND METHODS INCLUDING MULTIPLE WASHCOAT FORMULATIONS
    Publication number: 20170122175
    Abstract: Unique SCR catalyst including multiple washcoat formulations with differing performance characteristics are disclosed. One exemplary embodiment is an apparatus including a catalyst substrate defining a plurality of flow channels leading from an inlet to an outlet, a first washcoat composition distributed over a first portion of the flow channels, and a second washcoat composition distributed over a second portion of the flow channels. The first washcoat composition has a lower ammonia storage density than the second washcoat composition.
    Type: Application
    Filed: January 17, 2017
    Publication date: May 4, 2017
    Inventors: Ashko Kumar, Krishna Kamasamudram, Jinyong Luo