Patents by Inventor Francois Batreau

Francois Batreau 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 anti-fall device for power-driven lifting machinery
    Patent number: 4106753
    Abstract: The device, adapted to be associated with a motorized hauling installation, comprises a self-clamping jaws block with a safety cable passing through it onto which the load can be transferred by clamping the jaws. The jaws block is connected by means of control rods to a mobile chassis of which one end is adapted to pivot, in case of a fall, about a fixed point of the casing, this pivoting action activating an electric detector which stops the machine motor. (FIG. 1).
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: August 15, 1978
    Assignee: Europe-Levage Manutention (Elma)
    Inventors: Michel Cavalieri, Francois Batreau