Patents by Inventor Gerald E. Wlson

Gerald E. Wlson 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).

  • SLIP FREE DRILL PIPE
    Publication number: 20120067649
    Abstract: A drill pipe includes a pin-type connector part, a box-type pipe connector part, a tube part attached to the pin-type pipe connector part, and an intermediary pipe part disposed between and attached to the box-type pipe connector part and the tube part. The intermediary pipe part has a shoulder for engagement with a handling tool.
    Type: Application
    Filed: April 27, 2010
    Publication date: March 22, 2012
    Applicant: National Oilwell Varco, L.P.
    Inventor: Gerald E. Wlson