Patents by Inventor Pierre Trin

Pierre Trin 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).

  • Water reservoir device containing an oil exchanger, for an automobile radiator
    Patent number: 4896718
    Abstract: Water reservoir device for a radiator of an automobile, comprising a water reservoir (12) communicating with an external appended receptacle (14) which contains an oil exchanger (16), the inlet and discharge pipes (58) of this exchanger passing in a sealed manner through a wall (44) of the appended receptacle and serving for the fixation and maintenance of the oil exchanger in the appended receptacle.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: January 30, 1990
    Assignee: Valeo
    Inventor: Pierre Trin
  • Device for bleeding or for draining a heat exchanger, such as a radiator for a motor vehicle
    Patent number: 4717119
    Abstract: The device comprises a stopper having an operating head (10), an intermediate portion (12) bearing a sealing ring, and a tail (14) formed with radial ribs which co-operate with slopes in the orifice in which the stopper is to be mounted, a portion (30) of said radial ribs being obliquely oriented so that rotation of the stopper about its axis gives rise to longitudinal translation along said axis. The invention is particularly applicable to devices for bleeding or for emptying the radiators of motor vehicles.
    Type: Grant
    Filed: February 11, 1987
    Date of Patent: January 5, 1988
    Assignee: Valeo
    Inventor: Pierre Trin