Patents by Inventor John E. Dornfeld

John E. Dornfeld 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).

  • Ceramic capacitor with surface electrodes
    Patent number: 4188651
    Abstract: A reduced barium titanate ceramic capacitor in the form of a rod has closely-spaced electrodes connected in parallel or two spiraled electrodes on the surface thereof and a dielectric layer underneath each. By reducing both the distance between adjacent electrodes and the width of the electrodes, a capacitor with a low power factor is obtained.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: February 12, 1980
    Assignee: Sprague Electric Company
    Inventors: John E. Dornfeld, Bobby L. Joyner