Patents by Inventor John E. Van Voorhis

John E. Van Voorhis 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 having textured pellet and method for making same
    Patent number: 6191936
    Abstract: A pellet for use in a capacitor includes a rectangular body formed from compressed and sintered particles of conductive material. The body has an exterior surface which is textured to form a plurality of indentations therein. The profile of the textured surface in cross section is selected from the group including essentially of a curved profile, a sine shape profile, a rectangular shaped profile, a U-shaped profile, and a V-shaped profile.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: February 20, 2001
    Assignee: Vishay Sprague, Inc.
    Inventors: Dean A. Webber, John E. Van Voorhis
  • Solid electrolyte capacitor anode assembly
    Patent number: 4517626
    Abstract: A low capacitance solid electrolyte capacitor employs an anode assembly of a body portion which is a short piece of valve-metal wire to which is attached, preferably by welding, a riser portion which is of narrower cross-section wire than the body portion. The anode assembly is cleaned and processed into a capacitor in the same manner as prior art porous pellet capacitor sections.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: May 14, 1985
    Assignee: Sprague Electric Company
    Inventors: Michael D. Allen, John E. Van Voorhis