Patents by Inventor Mark Wayne Hammerton

Mark Wayne Hammerton 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).

  • Patent number: 8668255
    Abstract: A stamped roof panel for the cab of a utility vehicle includes a base portion having a periphery, a protrusion extending upwardly around the periphery of the base portion, and a plurality of drainage gaps in the protrusion. The protrusion has a generally U-shaped cross-sectional profile with a first leg extending from the base portion, a bight portion, and a second leg extending downwardly from the bight portion. The second leg of the protrusion may extend downwardly beyond the base portion and the top edge of the wall panels of the cab. The roof panel may further include a raised panel spaced upwardly from the base portion.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: March 11, 2014
    Assignee: Caterpillar Inc.
    Inventors: Sean A. Randleman, Timothy J. Linder, Mark Wayne Hammerton, Rajesh Mishra, Dale B. Higdon, Ahti J. Isolehto, Thomas A. Jenne, Daniel K. Allen
  • Publication number: 20100089888
    Abstract: A method for welding an edge of a first member to a side surface of a second member is provided. The first member and the second member are joined to one another at a joint. The method includes beveling an edge of the first member. The method also includes positioning the edge of the first member proximate the side surface of the second member. The method further includes supplying welding material via a welding wire along the edge of the first member to create a joint between the first and second members. Supplying welding material includes controlling a feed rate of the welding wire, such that a weld bead formed at the joint defines a concave cross-section.
    Type: Application
    Filed: October 10, 2008
    Publication date: April 15, 2010
    Inventors: James Anthony Forck, Alexei Peter Yelistratov, Mark Wayne Hammerton