Patents by Inventor Jan Papproth

Jan Papproth 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).

  • WC Apparatus for Rail Vehicles
    Publication number: 20120124726
    Abstract: A WC apparatus for rail vehicles is provided. The WC apparatus includes a flushing liquid tank, a toilet and a collecting tank. Further, the apparatus has control device which automatically initiates discharges of doses of disinfectants and/or calcification inhibitors into flushing water in order to keep a pH value below an associated threshold value.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 24, 2012
    Inventors: Ralph Gärtner, Jens-Christian Holst, Jan Papproth, Raymond Ullrich