Patents by Inventor Jacques Pierrat

Jacques Pierrat 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: 4630810
    Abstract: A resilient coupling with a limited range of radial movement is provided, more especially for a pulled wheel attachment, of the type comprising two cylindrical sleeves one of which surrounds the other and between which is adhered a block of a resilient material. In said block of resilient material (3') there is formed laterally at least one groove (5), and preferably two grooves, one at each end of the block.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: December 23, 1986
    Assignee: Hutchinson Societe Anonyme
    Inventor: Jacques Pierrat