Patents by Inventor Oliver Claas

Oliver Claas 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).

  • Vacuum toilet
    Patent number: 6223357
    Abstract: A vacuum toilet comprising a bowl with flushing nozzles, a shut-off valve and a waste pipe. Connected in the lower region of the bowl is a pipe (12) which leads from the latter upwards and terminates open at a level (H2) slightly below the flushing nozzles (11).
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: May 1, 2001
    Assignee: Sanivac Vakuumtechnik GmbH
    Inventor: Oliver Claas