Patents by Inventor Leo Dijkmans

Leo Dijkmans 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).

  • Device for cleaning floors by means of a liquid
    Patent number: 4200952
    Abstract: A device for cleaning floors with the aid of a liquid comprising: a hollow, elongated suction mouth piece having a longitudinal axis and having an elongated suction port extending along the lower surface thereof parallel to said longitudinal axis, a suction tube connected to the mouth piece and communicating at one end with the interior of the mouth piece, the suction tube having an opposite end for connection with a suction device; a spray nozzle mounted adjacent each end of the elongated suction mouth piece, said nozzles being directed downwardly and inwardly toward each other.
    Type: Grant
    Filed: November 7, 1978
    Date of Patent: May 6, 1980
    Assignee: Cemsto B.V.
    Inventors: Jan F. Smies, Leo Dijkmans