Patents by Inventor Leon Seilaz

Leon Seilaz 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).

  • Adjustable frame automatic floor cleaning machine
    Patent number: 4945602
    Abstract: An improved drivable automatic floor cleaning machine includes a carriage supporting a fresh liquid compartment, a dirty liquid compartment, a cleaning rotor, a travel roller pair, and a rearward suction nozzle. The improvements include an adjustable machine frame with a depending protective curtain surrounding the periphery of the rotor remote from the suction nozzle, the machine frame being adjustable, preferably automatically, to accommodate rotors of different diameters, and to confine the cleaning liquid beneath the machine for improved efficiency and range of operation using either battery or rectifier power.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: August 7, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Albert Kohl, Leon Seilaz
  • Drivable automatic floor cleaning machine
    Patent number: 4922572
    Abstract: A drivable floor cleaning machine with integrated fresh liquid compartment (10) and dirty liquid compartment (11) and with a cleaning rotor (19) designed to be supplied with cleaning liquid from the fresh liquid compartment (10). Regulation of the liquid feed to the rotor, with constant observation of the available volume of the liquid for supply to the cleaning rotor (19) are provided. Liquid feed regulation is controlled by an alternating current oscillating piston pump (31) (FIG. 8).
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: May 8, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktein
    Inventors: Albert Kohl, Leon Seilaz