Patents by Inventor Maurice Rouby

Maurice Rouby 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).

  • Expandable hose device
    Patent number: 4895185
    Abstract: Device with flexible hose, particularly for an expandable packer, wherein hose is reinforced by armature layers made of flexible cables disposed helically and is attached at least at one end by compression of said layers against rigid pieces, characterized by the supporting elements and gripping elements, which are coaxial, having nonadhesive conical compression surfaces which diverge toward the end and by at least one wedge provided with slits being driven between reinforcing layers to ensure compression.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: January 23, 1990
    Assignee: Caoutchouc Manufacture et Plastiques
    Inventors: Jacques J. Champleboux, Bernard Ragout, Maurice Rouby