Patents by Inventor Kartik Ganesan Iyer

Kartik Ganesan Iyer 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).

  • Particulate trap
    Patent number: 7288137
    Abstract: A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters. At least one of the first and second flow members is movable to selectively block exhaust flow to at least one of the plurality of filters at a given time.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: October 30, 2007
    Assignee: Caterpillar Inc.
    Inventors: Kartik Ganesan Iyer, Kerry Allen Delvecchio, Joanna Louise Costura
  • Particulate trap
    Patent number: 7185489
    Abstract: A particulate trap has a housing and a plurality of filters disposed within the housing. The particulate trap also has a plurality of dividers fluidly isolating one or more of the plurality of filters into filter divisions. The particulate trap has at least one inlet and at least one outlet individually associated with each filter division, and a valve assembly configured to selectively block a flow of exhaust air through each of the inlets.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: March 6, 2007
    Assignee: Caterpillar Inc
    Inventors: Owen Charles Kolstad, Kartik Ganesan Iyer, Kerry Allen Delvecchio, Joanna Louise Williams
  • Particulate trap
    Patent number: 7169200
    Abstract: A particulate trap has a plurality of filters and an air distributor. The air distributor has an inner tube and an outer tube. Each of the inner and outer tubes have a plurality of openings to allow exhaust flow to the plurality of filters. One of the inner and outer tubes is rotatable to selectively block exhaust flow to at least one of the plurality of filters at a given time.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: January 30, 2007
    Assignee: Caterpillar Inc
    Inventors: Owen Charles Kolstad, Kartik Ganesan Iyer, Kerry Allen Delvecchio, Joanna Louise Williams