Patents by Inventor David Wayne Granderson

David Wayne Granderson 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).

  • DOUBLE TAPER CONNECTOR
    Publication number: 20220316637
    Abstract: A pipe connection for connecting pipe or terminating pipe may include a mandrel with an insertion portion configured for inserting into an open end of a pipe and including a head. The pipe connection may also include a slip for bitingly engaging an outer surface of the pipe and having a first tapered portion and a second tapered portion. The pipe connection may also include a sleeve having cam surfaces for engaging the first and second tapered portions and a head engaging portion for securing the sleeve to the head.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 6, 2022
    Inventor: David Wayne Granderson