Patents by Inventor Paul H. Kreinbrink

Paul H. Kreinbrink 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: 4496386
    Abstract: A method of and apparatus for press bending sheets into complex shapes wherein the apparatus includes at least one press member of outline or ring-type construction having an array of spaced apart shaping rail elements mounted in a composite array and adapted to pass upwardly between adjacent conveying rolls to contact and support the undersurface of a sheet of heat-softened glass. Another array of shaping rail extensions is disposed above the conveying rolls mounted for movement into and out of association with the spaces between the spaced apart shaping rail elements of the first mentioned array.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: January 29, 1985
    Assignee: Libbey-Owens-Ford Company
    Inventors: Frank J. Hymore, Paul H. Kreinbrink
  • Patent number: 4295038
    Abstract: An apparatus for serially counting the fragments of a fractured tempered glass article including a probe assembly for touching and producing an electrical signal each time a fragment is touched, the probe assembly also marking each touched fragment. The apparatus also includes a numerical counter electrically connected to the probe assembly for cumulatively adding the number of fragments touched in a given area of the article and displaying a running tally of the counted fragments.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: October 13, 1981
    Assignee: Libbey-Owens-Ford Company
    Inventors: Paul H. Kreinbrink, David C. Neiman