Patents by Inventor John David Schramm

John David Schramm 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).

  • Methods of measuring a size of edge defects of glass sheets using an edge defect gauge and corresponding edge defect gauge
    Patent number: 11385039
    Abstract: An edge defect gauge that measures a size of edge defects of glass sheets, the edge defect gauge comprising: a body including opposite end edges and opposite side edges that extend between the end edges forming a body, the body having opposite flat faces; and at least one of (i) a dog ear measuring projection extending outward from one of the end edges at one of the side edges, the dog ear measuring projection having a predetermined height and a predetermined length or (ii) a cantilever measuring recess extending inward from the other end edge at the one of the side edges, the cantilever measuring recess having a predetermined height and a predetermined length.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: July 12, 2022
    Assignee: Corning Incorporated
    Inventor: John David Schramm
  • METHODS OF MEASURING A SIZE OF EDGE DEFECTS OF GLASS SHEETS USING AN EDGE DEFECT GAUGE AND CORRESPONDING EDGE DEFECT GAUGE
    Publication number: 20220057185
    Abstract: An edge defect gauge that measures a size of edge defects of glass sheets, the edge defect gauge comprising: a body including opposite end edges and opposite side edges that extend between the end edges forming a body, the body having opposite flat faces; and at least one of (i) a dog ear measuring projection extending outward from one of the end edges at one of the side edges, the dog ear measuring projection having a predetermined height and a predetermined length or (ii) a cantilever measuring recess extending inward from the other end edge at the one of the side edges, the cantilever measuring recess having a predetermined height and a predetermined length.
    Type: Application
    Filed: September 6, 2019
    Publication date: February 24, 2022
    Inventor: John David Schramm