Patents by Inventor Alain Duez

Alain Duez 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).

  • Method and device for transporting and distributing materials and/or equipment around the periphery of a building
    Patent number: 5027921
    Abstract: Device and method for transporting and distributing materials and/or equipment at the periphery of a building by using a carrier structure similar to a scaffolding or to a working or circulation walkway filled with a parapet including a carriage having at least one sliding or rolling member connecting the carriage to at least one longitudinal solid element of the parapet said connection transmitting to the parapet at least the resulting efforts equivalent to the horizontal component of the force diagram of a device.
    Type: Grant
    Filed: January 4, 1990
    Date of Patent: July 2, 1991
    Inventor: Alain Duez