Patents by Inventor Peter Matlschweiger

Peter Matlschweiger 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).

  • Method of removing deposits from a conduit wall
    Patent number: 6187105
    Abstract: A method of cleaning a conduit including a downpipe by removing deposits from a removal area in the downpipe, comprising the steps of introducing a milling cutter into the conduit below the removal area and rotatingly driving the milling cutter by a flexible shaft, feeding the rotating milling cutter through the conduit including the removal area in the downpipe by drawing the milling cutter in an upward direction above the removal area, removing the deposits with the rotating milling cutter, permitting flushing water to flow into the conduit from above the removal area for carrying away the removed deposits, and injecting flushing water into the conduit under pressure below the removal area in an outflow direction.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: February 13, 2001
    Inventor: Peter Matlschweiger