Patents by Inventor Donald W. Millard

Donald W. Millard 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).

  • COMPRESSION COUPLING FOR PIPES SUBJECTED TO TENSION LOADS AND ASSOCIATED METHODS
    Publication number: 20130161021
    Abstract: A riser system for underwater oil and gas wells features subsections with flanges that may be fastened together. Riser pipes extend between the flanges, through apertures with tapered seats. The riser pipes may be may from aluminum to reduce the weight of the riser system and may be a composite of two or more sections coupled together by compression fittings.
    Type: Application
    Filed: December 23, 2011
    Publication date: June 27, 2013
    Inventors: Stephen J. Makosey, Daniel B. Bergstrom, K. Rao Vemuri, Stephen M. Wallace, Donald W. Millard