Patents by Inventor Walter A. Ringler

Walter A. Ringler 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 cleaning machine with high-efficiency air circulation
    Patent number: 5729862
    Abstract: An air director for balancing air flow during a perpendicular change in air flow direction, comprising a frame defining an outer perimeter and having an inner annular opening therein, a plurality of air-directing vanes positioned on the frame between the perimeter and the annular opening thereof in spaced-apart relation around the perimeter thereof for directing air therethrough from the perimeter and perpendicularly through the annular opening, the vanes positioned on the frame with opposed, major, air-directing surfaces defining a extended line having a predetermined angular offset relative to the radii of the annular opening for swirling the air.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: March 24, 1998
    Assignee: Luwa Bahnson, Inc.
    Inventors: Walter A. Ringler, Rayford W. Timms