Patents by Inventor Jean-Pierre Deville

Jean-Pierre Deville 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: 4607512
    Abstract: A process for manufacturing a cooking vessel is disclosed wherein a vessel is formed by applying an enamel coating to a central part of a flat metal disc blank, the enamel coating is baked, a non-stick coating based on a fluorinated polymer is applied to both faces of the enamelled disc blank, the disc blank is deep-drawn into a desired vessel shape having a flat bottom and a side wall, and the non-stick coating covering the enamelled part of the vessel is then removed.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: August 26, 1986
    Assignee: SEB S.A.
    Inventor: Jean-Pierre Deville
  • Patent number: 4508100
    Abstract: A first coating of enamel slip of a conventional type for aluminum is applied on the bottom face of a culinary vessel of aluminum or aluminum alloy, then heated in order to produce partial evaporation of water from the coating. Without allowing coating to cool, a second coating of abrasion-resistant enamel is applied on the first coating and reheated in order to produce complete evaporation of the volatile components. The two coatings are then immediately fired in order to sinter the enamels.
    Type: Grant
    Filed: June 10, 1983
    Date of Patent: April 2, 1985
    Assignee: Seb S.A.
    Inventor: Jean-Pierre Deville