Patents by Inventor Jean Burelle

Jean Burelle 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: 4267863
    Abstract: A tube made from a rigid material such as PTFE is surrounded by a rigid tubular sheath. The ends of the synthetic material tube are provided with collars which emerge from the rigid sheath, the sheath having on its inner face, adjacent to each collar, a locking member. The locking member forms a substantially annular relief and penetrates a correspondingly shaped groove on the outer surface of the tube of synthetic material.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: May 19, 1981
    Assignee: Compagnie Plastic Omnium
    Inventor: Jean Burelle