Patents by Inventor Rodolphe Tanson

Rodolphe Tanson 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 manual or motorized lifting systems
    Patent number: 4254941
    Abstract: The device is adapted to be used in a manual or motorized lifting system comprises a self-tightening jaw-block which normally lets a lifting or an auxiliary cable pass through it, whereby a releasing device, by an excessive speed of the cable relatively to the jaw-block, lets jaws clamp the cable and an interrupter stop the motors.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: March 10, 1981
    Assignee: Groupements d'Interets Economiques Europe-Levage-Manutention (ELMA)
    Inventor: Rodolphe Tanson