Patents by Inventor Robert P. Martorell

Robert P. Martorell 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).

  • Opening device or preserve cans, tins and similar containers
    Patent number: 5390567
    Abstract: Device for opening cans and the like, of the type having a ring on the lid for its opening, which is comprised of a body (1) with a curved surface, receiving at one end a lever arm (2) and a hook (3) susceptible of being coupled to the opening loop of the container, thereby enabling its controlled tearing; the curved structure body (1) has the shape of a curved plate which, by one end, is integral with the lever arm (2) with a curvature opposite to the plate.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: February 21, 1995
    Inventor: Robert P. Martorell