Patents by Inventor Franca Branchi

Franca Branchi 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 production of prismatic containers with plane gable surfaces without any lateral ears
    Patent number: 4891929
    Abstract: In a method of forming prismatic liquid containers from continuously fed tubing, lateral regions of the tube to be connected by sealing strips are pressed inwardly before adjacent gable surfaces of the tubing are pressed together and sealed, thereby avoiding the formation of unsightly projections and any internal air cushion.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: January 9, 1990
    Assignee: Italpack S.p.A.
    Inventor: Franca Branchi