Patents by Inventor Denzal Van Winkle

Denzal Van Winkle 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: 20070051164
    Abstract: A system for verifying the integrity of a seal comprises an elastomeric seal on either side of a metal sealing gasket. A pressure test penetration is provided into an axial channel at a position between the metal sealing gasket and the lower of the elastomeric seals.
    Type: Application
    Filed: September 8, 2005
    Publication date: March 8, 2007
    Applicant: VARCO I/P INC.
    Inventor: Denzal Van Winkle