Patents by Inventor Hans H. Gross

Hans H. Gross 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).

  • Process and apparatus for the removal or controlled reduction of adherent films of liquid on hard surfaces
    Patent number: 4455706
    Abstract: A method and apparatus for removing or reducing the amount of an adherent film of liquid on a surface. The apparatus comprises an elongate suction nozzle having a suction inlet and a longitudinal edge which comprises a scraping tool. In use, under-pressure in the suction nozzle is used to press the scraping tool against the surface and simultaneously remove liquid from the surface being scraped.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: June 26, 1984
    Assignee: Ing. Jurgen Volkmann, GmbH
    Inventors: Jurgen Volkmann, Hans H. Gross