Patents by Inventor Luigi Strozzi

Luigi Strozzi 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).

  • Automatic sealing device for containers of volatile or perishable liquids
    Patent number: 4067476
    Abstract: An automatic sealing device for containers for volatile or perishable liquids. The sealing device includes a substantially cylindrical chamber having a flexible side wall to make a sealing engagement with the container wall. The flexible side wall is secured to upper and lower circular closing members through a series of links which perform the two functions of causing the device to follow variations in the level of the liquid and hold the flexible side wall against the container wall.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: January 10, 1978
    Inventor: Luigi Strozzi