Patents by Inventor Ermenegildo Lavezzo

Ermenegildo Lavezzo 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).

  • Reliable breakable closure mechanism
    Patent number: 5330464
    Abstract: A frangible seal for a fluid path including a frangible seal member secured within a tube defining the fluid path. The frangible seal member having a tubular seal member and a stem extending from the tubular seal member which, upon bending back and forth, breaks away from the seal member thereby to rupture the tubular seal in the fluid path. The tubular seal member and stem are integrally formed of a non-PVC material. The tubular seal member will bond to PVC tubing during steam heating thereof. The tubular seal member and stem are constructed to provide uniform non-reclosable rupturing. The stem includes vanes with spurs that frictionally engage the inner walls of the tube to maintain separation of the stem and ruptured tubular seal member.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: July 19, 1994
    Assignee: Baxter International Inc.
    Inventors: Jean-Marie Mathias, Jean-Claude Bernes, Ermenegildo Lavezzo, Jack Debrauwere