Patents by Inventor Herbert Yudenfriend

Herbert Yudenfriend 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).

  • Process and apparatus for forming a window panel having an energy control film laminate
    Patent number: 4556446
    Abstract: The invention is directed to a method and apparatus for applying a sheet of energy control film to the surface of a window panel wherein the film comprises an adhesive stratum adapted to contact and cause the film the adhere to the panel. The method includes the steps of: submerging the window panel in a filtered demineralized water bath; submerging the energy control sheet and passing it through the bath; submerging a removable protective layer in the bath and superposing it upon the energy control film sheet; and pressing the energy control sheet, while submerged in the bath, into intimate contact with the window panel by squeegeeing across the exposed surface of the removable protective layer.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: December 3, 1985
    Inventor: Herbert Yudenfriend
  • Process and apparatus for forming a window panel having an energy control film laminate
    Patent number: 4489134
    Abstract: The invention is directed to a method and apparatus for applying a sheet of energy control film to the surface of a window panel wherein the film comprises an adhesive stratum adapted to contact and cause the film the adhere to the panel. The method includes the steps of: submerging the window panel in a filtered demineralized water bath; submerging the energy control sheet and passing it through the bath; submerging a removable protective layer in the bath and superposing it upon the energy control film sheet; and pressing the energy control sheet, while submerged in the bath, into intimate contact with the window panel by squeegeeing across the exposed surface of the removable protective layer.
    Type: Grant
    Filed: July 13, 1982
    Date of Patent: December 18, 1984
    Inventor: Herbert Yudenfriend