Patents by Inventor Vanson Hyunh

Vanson Hyunh 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).

  • Independently Wellhead Drilling Adapter
    Publication number: 20090032265
    Abstract: An assembly for connecting a drilling adapter to a wellhead comprising external threads on an end portion thereof.
    Type: Application
    Filed: July 3, 2008
    Publication date: February 5, 2009
    Applicant: Vetco Gray Inc.
    Inventors: Eugene A. Borak, JR., Anton J. Dach, JR., Vanson Hyunh