Patents by Inventor William D. Egbert

William D. Egbert 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: 4018589
    Abstract: A form for shaping softened glass on a full-contact mold without spalling or mark-off. The invention includes a base having a plurality of threaded rods extending vertically therefrom; each rod having a trunnion threaded thereon for adjusting purposes. The trunnions make engagement with support members which maintain a mold sheet for forming the glass. The support members may have clamps on them at each end thereof for purposes of securing the mold sheet. In a preferred embodiment of the invention a lubricated plane is provided over the forming sheet; the lubricating plane preferably comprising a powder-impregnated fiber glass sheet.
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: April 19, 1977
    Assignee: Goodyear Aerospace Corporation
    Inventors: William D. Egbert, Wilson C. McDonald