Patents by Inventor Jean-Louis Rigan

Jean-Louis Rigan 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).

  • Patent number: 5139418
    Abstract: Independent installation for discharging, storing and transferring products, such as steelworks products, which comprises fixed beams on which rest the products to be handled, and moveable beams placed between the fixed beams and driven in a rectangular cycle of displacement, each moveable beam comprises, at one of its ends, a discharging arm or fingers so that when a product taken from among those stored on the fixed beams is being transferred, said product rests on the end of said fingers and can be displaced and transferred to a discharging or removal zone in a manner entirely independent of the products which remain stored on said fixed beams.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: August 18, 1992
    Assignee: Stein Heurtey
    Inventors: Jean-Louis Rigan, Michel Rostan