Patents by Inventor Olivier Haulot

Olivier Haulot 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).

  • Wine-making vat
    Patent number: 4969391
    Abstract: Wine-making vat comprising a lower fermentation vat (1) and an upper tun (2) and at least one valve (20) putting the fermentation vat (1) and the tun (2) in communication automatically and cyclically, and also comprising a fixed unit fitted on a washing port (4) and forming a valve seat, a movable assembly moving vertically and interacting with valve seat, a movable float, a seal between the movable assembly and the movable float, and an arrangement for retaining the movable assembly on the valve seat.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: November 13, 1990
    Assignee: Societe Atlantique de Techniques Advancees
    Inventor: Olivier Haulot