Patents by Inventor Pierre G. Boutier

Pierre G. Boutier 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: 4609393
    Abstract: Apparatus for the production of bottle and flask type glass containers having a medium or narrow aperture using the blow-blow or press-blow process. The apparatus is characterized in that it includes a two-part bushing having a top part and a bottom part, a compression spring acting on the bushing, an auxiliary jack connected to the piston of a main jack, a movable end which with the main piston defines one of the main jack chambers. The invention is applicable primarily to the liquid packaging industry.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: September 2, 1986
    Assignee: Verreries de Graville
    Inventor: Pierre G. Boutier