Patents by Inventor Donald G. Beltz

Donald G. Beltz 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).

  • Capacitor case insulation and method of installation
    Patent number: 4480286
    Abstract: A power factor capacitor made with case to housing insulation of thin electrical grade polypropylene in multilayers to greatly exceed basic impulse level voltage test requirements.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: October 30, 1984
    Assignee: Sangamo Weston, Inc.
    Inventors: Boyce D. Whitman, Donald G. Beltz, Morris T. Reese