Patents by Inventor Rene E. L. Barre

Rene E. L. Barre 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: 4231779
    Abstract: Apparatus for manufacturing glass objects includes a pressing operation after a rough shaping operation in a blank mold comprising two separable chill-mold halves and tongs forming the base of the mold. Two spades move toward and away from the mold position without movement of the tongs.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: November 4, 1980
    Inventor: Rene E. L. Barre
  • Patent number: 4228910
    Abstract: This invention concerns an improved device for tightly stopping a bottle which comprises a stopper whose body is provided with at least one neck receiving a flexible airtight or watertight sealing ring, this neck having at least one toothed surface and at least one smooth surface, the smooth surface being formed at the bottom of an annular groove bounded by edges of its sides.
    Type: Grant
    Filed: October 18, 1978
    Date of Patent: October 21, 1980
    Inventor: Rene E. L. Barre