Patents by Inventor Donald G. Payton, Jr.

Donald G. Payton, Jr. 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).

  • Patent number: 4424865
    Abstract: In a geothermal production well, oil well or gas well, a thermally energized packer cup having a tapered elastomer body and a reinforcing element fabricated from a shape memory alloy seals the well casing when the packer cup is heated to the transformation temperature of the shape memory alloy.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: January 10, 1984
    Assignee: Sperry Corporation
    Inventor: Donald G. Payton, Jr.