Patents by Inventor James N. Morrell

James N. Morrell 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).

  • Valve control
    Patent number: 3994179
    Abstract: The specification discloses a power operated valve operator to open and close valves. Thrust from the valve stem is transmitted to a drive sleeve journaled in a housing through a disc spring.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: November 30, 1976
    Inventor: James N. Morrell