Patents by Inventor Marc Garnier

Marc Garnier 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).

  • Unit for distributing and installing rings on pistons
    Patent number: 4967459
    Abstract: An automatic unit for distributing and installing rings, particularly composite rings, on engine pistons, and which includes a first device for separating elastic expanders (b 1a) consisting of two pairs of helical ramps (26, 27) and (28, 29) having opposite winding directions driven simultaneously by a ring gear (30), and of an escapement mechanism (32) controlled by a cylinder (34) able to cause the turn portion corresponding to one helical ramp turn to be performed on this ring.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: November 6, 1990
    Assignee: Renault Automation
    Inventor: Marc Garnier