Patents by Inventor Jean Claude Ledion

Jean Claude Ledion 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).

  • Household steam appliance having a scale-preventing device
    Patent number: 5743034
    Abstract: A method and device for preventing the formation of scale in an electric appliance for producing steam, which appliance includes a reservoir for holding a quantity of water and a steam generation member for effecting a substantially instantaneous generation of steam; and a scale preventing device. Scale formation is prevented by heating water upstream of the reservoir to a temperature and for a time sufficient to precipitate minerals present in the water into a form which allows the precipitated minerals to be expelled from the appliance with steam generated by said steam generation member.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: April 28, 1998
    Assignee: SEB S.A.
    Inventors: Jean Pierre Debourg, Denis Daulasim, Jean Claude Ledion