Patents by Inventor Frederic Tessier

Frederic Tessier 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).

  • Stain-resistant cooking surface and cookware item or electrical household appliance comprising such a cooking surface
    Patent number: 12161257
    Abstract: Provided is a food cooking surface for a cookware item or an electrical household cooking appliance, consisting of a deposit of nitride of metal elements on a substrate, the metal elements of the deposit comprising one or more X transition metal(s) and aluminium. The production of the deposit comprises a nitridation step in arder to obtain a coating of type (X,Al)N. According to the invention, the (X,Al)N-type coating is a coating of nitride(s) of the one or more X transition metal(s), enriched with aluminium, in which niobium and/or zirconium is/are make up the most part of the X transition metal(s), the atomic ratio of aluminium in the metal elements of the deposit being at least equal to 20%. Also provided are cookware items and electrical household appliances intended for the cooking of food, comprising the above-mentioned type of cooking surface.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: December 10, 2024
    Assignees: Centre National De La Recherche Scientifique, SEB S.A., Universite de Lorraine
    Inventors: Philippe Pigeat, Jean-Francois Pierson, Alexandre Mege-Revil, Frederic Tessier, Simon Allemand, Stephane Tuffe
  • Stain-Resistant Cooking Surface and Cookware Item or Electrical Household Appliance Comprising such a Cooking Surface
    Publication number: 20140311358
    Abstract: Provided is a food cooking surface for a cookware item or an electrical household cooking appliance, consisting of a deposit of nitride of metal elements on a substrate, the metal elements of the deposit comprising one or more X transition metal(s) and aluminium. The production of the deposit comprises a nitridation step in arder to obtain a coating of type (X,Al)N. According to the invention, the (X,Al)N-type coating is a coating of nitride(s) of the one or more X transition metal(s), enriched with aluminium, in which niobium and/or zirconium is/are make up the most part of the X transition metal(s), the atomic ratio of aluminium in the metal elements of the deposit being at least equal to 20%. Also provided are cookware items and electrical household appliances intended for the cooking of food, comprising the above-mentioned type of cooking surface.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 23, 2014
    Inventors: Philippe Pigeat, Jean-Francois Pierson, Alexandre Mege-Revil, Frederic Tessier, Simon Allemand, Stephane Tuffe