Patents by Inventor Jon Chatwood

Jon Chatwood 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).

  • Composition and method to form displacements for use in metal casting
    Patent number: 10646916
    Abstract: A method to form a displacement includes disposing a powder blend (comprising a plurality of ground ceramic particles and a plurality of ground resin particles) into a mold, densifying the powder blend while in the mold, heating the mold to form a first displacement, impregnating said first displacement with a polymer precursor compound to form a second displacement, and heating the second displacement to form a third displacement.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: May 12, 2020
    Assignee: Destech Corporation
    Inventors: David A. Rohrbacker, Jon Chatwood, William Palmer
  • COMPOSITION AND METHOD TO FORM DISPLACEMENTS FOR USE IN METAL CASTING
    Publication number: 20190039122
    Abstract: A method to form a displacement includes disposing a powder blend (comprising a plurality of ground ceramic particles and a plurality of ground resin particles) into a mold, densifying the powder blend while in the mold, heating the mold to form a first displacement, impregnating said first displacement with a polymer precursor compound to form a second displacement, and heating the second displacement to form a third displacement.
    Type: Application
    Filed: October 11, 2018
    Publication date: February 7, 2019
    Inventors: David A. Rohrbacker, Jon Chatwood, William Palmer
  • COMPOSITION AND METHOD TO FORM DISPLACEMENTS FOR USE IN METAL CASTING
    Publication number: 20170297087
    Abstract: A method to form a displacement, the method including disposing a powder blend comprising a plurality of ground ceramic particles and a plurality of ground resin particles into a mold, densifying the powder blend while in the mold, heating the mold to form a first displacement, impregnating said first displacement with a polymer precursor compound to form a second displacement, and heating the second displacement to form a third displacement.
    Type: Application
    Filed: April 18, 2016
    Publication date: October 19, 2017
    Inventors: David A. Rohrbacker, Jon Chatwood, William Palmer