Patents by Inventor Danny K. Zitting

Danny K. Zitting 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).

  • Publication number: 20160178070
    Abstract: A seal for a plug valve and method for manufacturing a seal. The seal includes a sealing element, and a back-up ring coupled with the sealing element by an interference fit. When the back-up ring and the sealing element are coupled together, the back-up ring and the sealing element are curved about a first axis and about a second axis.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Applicant: AKTIEBOLAGET SKF
    Inventors: Timothy H. Rushton, Danny K. Zitting, A. Todd Hagen