Patents by Inventor Martin Huizinga

Martin Huizinga 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: 3951634
    Abstract: A method of and apparatus for bending and tempering a relatively thin glass sheet while supported horizontally and conveyed along a generally horizontal path comprising heating the glass sheet to its softening point, bending the sheet into the desired curvature, reorienting the bent sheet for further processing along said horizontal path, reheating the sheet to the temperature necessary for proper tempering, and finally, chilling the sheets rapidly below the annealing temperature range of the glass.
    Type: Grant
    Filed: June 20, 1974
    Date of Patent: April 20, 1976
    Assignee: Libbey-Owens-Ford Company
    Inventors: Harold R. Hall, Richard A. Herrington, Martin Huizinga, Donald D. Rahrig, Robert G. Revells