Patents by Inventor Andre R. Liebtag

Andre R. Liebtag 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).

  • Self-blocking attachment member and securement device comprising said attachment member
    Patent number: 5374020
    Abstract: Attachment member adapted to be mounted on supports or load-bearing elements of the type of ribbed sheet metal. It includes a tubular body (2) provided with connection structure (3) and an anchoring element (4, 5) on one of the ends of the tubular body (2) and extending perpendicularly relative to this latter. The anchoring element is made up of a straight rod portion (4) and an elbowed rod portion (5), of L shape, disposed on opposite sides of the tubular body (2). A plate (13) has a central connector (14) that screws into the connection structure (3) to retain insulating panels (15). A sealing sheet (16) is adhesively secured to the plates (13) and insulating panels (15).
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: December 20, 1994
    Assignee: Soprema (Societe Anonyme)
    Inventors: Pierre Geisen, Andre R. Liebtag