Patents by Inventor Jon Shumaker

Jon Shumaker 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: 9587740
    Abstract: A repaired piston includes a crown composed of base and welding filler materials, and having an annular rim extending around a combustion bowl. A finite number of repaired defects are within the annular rim, and have a spatial distribution limited by a multidirectional spacing parameter, and a size distribution limited by a unidirectional sizing parameter.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: March 7, 2017
    Assignee: Caterpillar Inc.
    Inventors: Kegan Luick, Thomas Parnell, Aaron Claver, Jon Shumaker, Donald Clark
  • Publication number: 20140298987
    Abstract: A repaired piston includes a crown composed of base and welding filler materials, and having an annular rim extending around a combustion bowl. A finite number of repaired defects are within the annular rim, and have a spatial distribution limited by a multidirectional spacing parameter, and a size distribution limited by a unidirectional sizing parameter.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: Caterpillar Inc.
    Inventors: Kegan Luick, Thomas Parnell, Aaron Claver, Jon Shumaker, Donald Clark