Patents by Inventor Ferdinand Ruepp

Ferdinand Ruepp 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).

  • Textile fabric dryer with rotary damper arrangement
    Patent number: 4397103
    Abstract: A textile fabric dryer of the alternating flow type is provided with an improved damper arrangement in which rotatable damper elements are mounted for rotating movement between open and closed positions to direct the flow of heated air alternately on opposite sides of the fabric.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: August 9, 1983
    Assignee: American Artos Corporation
    Inventor: Ferdinand Ruepp
  • Web abrading assembly
    Patent number: 3973359
    Abstract: Apparatus for abrading fabric traveling along a directed path of travel having a plurality of cylindrical members covered with a fabric abrading surface circumferentially supported and spaced from each other for contacting and abrading fabric and means for releasably securing the cylindrical members when the abrading surface is worn to expose unworn fabric abrading surfaces to the traveling fabric.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: August 10, 1976
    Assignee: David Gessner Company
    Inventors: John Spencer, Ferdinand Ruepp, Robert Whewell