Patents by Inventor Patrick Philippeau

Patrick Philippeau 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).

  • Hydraulic antivibration support and a motor vehicle subassembly including such a support
    Patent number: 5855364
    Abstract: A hydraulic antivibration support comprises an annular elastomer body surrounding a central axis and interconnecting a first support member and a support plate both of which are likewise annular. The elastomer body has two concentric annular cavities closed by the support plate, and constituting a working chamber and a compensation chamber which is radially defined on the outside by a thin side wall of the elastomer body, said two chambers being filled with liquid and being interconnected by a constricted passage which is defined in part by a channel-section piece located in one of the two chambers.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: January 5, 1999
    Assignee: Hutchinson
    Inventors: Denis Reh, Patrick Philippeau, Andre Girard