Patents by Inventor Russell C. Retzloff

Russell C. Retzloff 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).

  • Patent number: 4221053
    Abstract: An inspection apparatus for determining the contours of sheet material, particularly glass sheets, comprising a checking fixture having a plurality of probe assemblies for determining the exact position of points along the sheet and the deviation, if any, of such measured points from reference points constituting the ideal contour. The probe assemblies generate linear signals transmitted to a controller which, in turn, converts such signals into data displayed on a video screen in selectively different forms.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: September 9, 1980
    Assignee: Libbey-Owens-Ford Company
    Inventors: Robert J. Bobel, II, Richard H. Blausey, Jr., Edward D. Floyd, Donald B. Hopings, Russell C. Retzloff, Andrew W. Rudolph
  • Patent number: 4078911
    Abstract: This invention pertains to determination of relative elevations of various components of a float glass producing facility. The extremely flat top surface of the bath of molten tin upon which the glass ribbon is formed is utilized as a reference plane. The elevation of this surface is precisely determined, with the elevation serving as a common bench mark for measuring the relative elevations of various components along both sides of the float glass facility.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: March 14, 1978
    Assignee: Libbey-Owens-Ford Company
    Inventors: Charles F. Green, III, Russell C. Retzloff