Patents by Inventor William Herman Hartman

William Herman Hartman 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).

  • Curled container bodies, method of securing closures thereto and containers formed thereby
    Patent number: 3952677
    Abstract: An open-ended cylindrical container body whose body wall marginal open end portion includes an annular body curl, and comprises metal less than about 0.0057 inch thick for a drawn and ironed container body, and less than about 0.002 inch for the metal foil liner of a composite container body, a method of securing a metal end closure to the curled container bodies by mechanical engagement and compression of end portion of the end closure cover hook substantially axially against the body curl, and the hermetic pressure-resistant containers formed therby.
    Type: Grant
    Filed: June 27, 1974
    Date of Patent: April 27, 1976
    Assignee: American Can Company
    Inventors: William Herman Hartman, Frank Bruno Pas, Joseph Lambert Godar