Patents by Inventor Shawn R. Herold

Shawn R. Herold 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).

  • Fluid reservoir having inlet filtering
    Patent number: 10328366
    Abstract: An inlet filter is disclosed for use with a reductant tank having a fill spout. The inlet filter may have a generally cylindrical base portion with an open top end and an open bottom end and configured for mounting inside the fill spout. The inlet filter may also have a mesh bag with a top connected to the generally cylindrical base portion, a folded bottom, and open side edges. The inlet filter may further have a bag carrier configured to close the open side edges.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: June 25, 2019
    Assignee: Caterpillar Inc.
    Inventors: Jason W. Hudgens, Theron J. Cassidy, Dave T. Ahlman, Shawn R. Herold
  • HEADER UNIT FOR REDUCTANT TANK
    Publication number: 20160376968
    Abstract: A header unit for a reductant tank is provided. The header unit includes a reductant draw conduit extending into an interior space of the reductant tank. The reductant draw conduit is configured to draw a reductant from the reductant tank. The reductant draw conduit includes at least one expansion opening provided along a length thereof. The header unit also includes a valve element coupled to the reductant draw conduit. The valve element includes a main body member defining a channel therethrough. The main body member circumferentially surrounds at least a portion of the reductant draw conduit corresponding to the at least one expansion opening. The main body member is made of an elastomeric material configured to accommodate an expansion thereof.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Applicant: Caterpillar Inc.
    Inventors: Dongming Tan, Brian M. Cole, Shawn R. Herold, Kevin L. Dea, Theron Cassidy, Matthew F. Fahrenkrug, Douglas A. Long, James J. Driscoll
  • FLUID RESERVOIR HAVING INLET FILTERING
    Publication number: 20160339370
    Abstract: An inlet filter is disclosed for use with a reductant tank having a fill spout. The inlet filter may have a generally cylindrical base portion with an open top end and an open bottom end and configured for mounting inside the fill spout. The inlet filter may also have a mesh bag with a top connected to the generally cylindrical base portion, a folded bottom, and open side edges. The inlet filter may further have a bag carrier configured to close the open side edges.
    Type: Application
    Filed: January 22, 2016
    Publication date: November 24, 2016
    Applicant: Caterpillar Inc.
    Inventors: Jason W. Hudgens, Theron J. Cassidy, Dave T. Ahlman, Shawn R. Herold