Patents by Inventor Charles J. Trexler

Charles J. Trexler 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).

  • Filter connector arrangement having a ferrite barrel with a rectangular bore
    Patent number: 5489220
    Abstract: A filter connector has a ferrite barrel with a rectangular bore therethrough. The configuration of the bore closely matches the substantially rectangular cross sectional configuration of an electrical connector received within the bore. The connector has a pair of wings upstanding from a base thereof. A single gate or a cooperating pair of gates is(are) attached to one or both of the wings. When folded the gate(s) close the bore through the barrel.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: February 6, 1996
    Assignee: Berg Technology, Inc.
    Inventors: Taj F. Hanna, Stanley W. Olson, Charles J. Trexler, Wayne G. Weigard
  • Thick film planar filter connector having separate ground plane shield
    Patent number: 4682129
    Abstract: A filter connector for attenuating frequencies up to 1000 MHz having a conductive housing enclosing a planar filter element. Rows of conductive pins and associated capacitors are mounted on the filter element and there is a ground plane over one or both surfaces of the filter element. The pins pass through holes in each ground plane without touching it.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: July 21, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Frank C. Bakermans, Charles J. Trexler