Patents by Inventor John N. Eggert

John N. Eggert 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).

  • Apparatus for washing curved sheets
    Patent number: 4352221
    Abstract: An apparatus for washing curved glass sheets comprising a cluster of brushes including a pair of upper brushes and a lower brush mounted above and below, respectively, the horizontal path of movement of the glass sheets. Each brush is formed into an arcuately shaped configuration conforming to the shape of the glass sheets being processed. Each brush is mounted on a composite shaft having an arcuately shaped inner core and an outer, driven, flexible sleeve assuming the shape of the core and rotatable thereabout.
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: October 5, 1982
    Assignee: Libbey-Owens-Ford Company
    Inventors: Robert G. Revells, John N. Eggert
  • Method of and apparatus for shaping and heat treating glass sheets
    Patent number: 4138237
    Abstract: A transfer apparatus in a glass heat treating operation for removing a horizontally disposed sheet from a horizontal glass processing line and reorienting it into a substantially vertical plane for final processing in a vertically oriented quench operation. The transfer apparatus constitutes a pivotal end section of a horizontal conveyor system and is adapted to be equipped with glass bending fixtures.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: February 6, 1979
    Assignee: Libbey-Owens-Ford Company
    Inventors: John N. Eggert, Richard A. Herrington, Waldemar W. Oelke