Patents by Inventor Hans Joachim Pipes

Hans Joachim Pipes 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).

  • Filter cloth caulking tool
    Patent number: 6182343
    Abstract: A caulking tool (20) comprises mechanisms (24, 25, 26, 27) for temporarily securing the tool to a filter plate and a pivotally operable caulking body (29, 30, 31) which urges a caulking rope into a groove in the filter plate so as to capture a part of the filter cloth therein. This secures the filter cloth to the filter plate.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: February 6, 2001
    Assignee: Scapa Group PLC
    Inventors: Robert Lawrence Haes, Hans Joachim Pipes