Patents by Inventor Robert Passerieux

Robert Passerieux 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).

  • Browning utensil for microwave ovens
    Patent number: 4977302
    Abstract: A browning utensil for microwave ovens which includes a base member of glass, ceramic or glass-ceramic with a metal containing coating applied to a surface of the base member. Applied over the metal containing coating is a layer of metal-free glazing formed of a glass frit. The metal containing coating also includes a glazing material which preferably is composed of the same ingredients as the metal-free glazing. The glazing material also preferably has essentially the same coefficient of thermal expansion between 20.degree. and 300.degree. C. as the material forming the base member.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: December 11, 1990
    Assignee: Degussa Aktiengesellschaft
    Inventors: Bernard Merigaud, Michel Claus, Robert Passerieux