Patents by Inventor Jean-Claude Frezal

Jean-Claude Frezal 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).

  • System for making a floor cleaning liquid available in a convenient manner
    Patent number: 6227262
    Abstract: An apparatus and process for filling the tank of an automatic floor-cleaning machine by providing a large capacity storage tank for a cleaning fluid, a reservoir for a concentrated cleaning agent, and a mobile floor-cleaning machine having a storage tank for a cleaning fluid wherein the apparatus is designed so that the floor-cleaning machine can be filled quickly by gravity.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: May 8, 2001
    Assignee: Henkel Kommanditgesellschaft Auf Aktien
    Inventors: Albert Kohl, Jean-Claude Frezal, Jean-Marc Bortolotti, Michel Bertrand, Fernand Alvaro, Pierre Duffal, Jean-Marc Giuliano