Patents by Inventor Pierre Rene Heymes

Pierre Rene Heymes 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 the manufacture of plastics film by casting on a floating glass ribbon
    Patent number: 4047917
    Abstract: An apparatus for making films, sheets or plates of a transparent plastics material of high optical quality comprises means for depositing a solution, molten mass or reaction mixture which yields the solid plastics on drying or hardening on a moving glass ribbon having a smooth upper surface. The ribbon may be made by the float glass process. The plurality of plastics layer may be deposited one on another.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: September 13, 1977
    Assignee: Saint-Gobain Industries
    Inventors: Pierre Rene Heymes, Rudolf Pelzer
  • Manufacture of plastics sheets
    Patent number: 3990876
    Abstract: An improved method of making films, sheets or plates of a transparent plastics material of high optical quality comprises depositing a solution, molten mass or reaction mixture which yields the solid plastics on drying or hardening on a moving glass ribbon having a smooth upper surfce. The ribbon may be made by the float glass process. The plurality of plastics layer may be deposited one on another.
    Type: Grant
    Filed: January 15, 1975
    Date of Patent: November 9, 1976
    Assignee: Saint-Gobain Industries
    Inventors: Pierre Rene Heymes, Rudolf Pelzer