Patents by Inventor Aulis Bertin

Aulis Bertin 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).

  • Method for the pre-treatment of coated glasses before heat treatment
    Patent number: 5626911
    Abstract: The invention relates to a method for the pre-treatment of coated glasses by removing the coating (2) from the edge areas (4) of the glass plate (1) and bevelling the areas from which the coating has been removed before heat treatment.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: May 6, 1997
    Inventors: Aulis Bertin, Yrjo Valimaki