Patents by Inventor Michel Dorez

Michel Dorez 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).

  • Apparatus for stacking thin flexible objects
    Patent number: 4440388
    Abstract: An apparatus for stacking thin objects which are delivered by a conveyor to a rotary drum having holes over its periphery extending to the interior and a fixed body within the interior having a plurality of chambers communicating with the holes over a half circumference. Valves connecting to the chambers are operated to successively connect the chamber to a vacuum source so the object is engaged and rotated with the drum and then to successively connect to a pressure source to produce a blowing action moving the object toward a stack.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: April 3, 1984
    Assignee: Hotchkiss-Brandt Sogeme H.B.S.
    Inventors: Michel Divoux, Michel Dorez