Patents by Inventor Richard C. Lipp

Richard C. Lipp 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).

  • Refractory block for rotary kiln
    Patent number: 4975049
    Abstract: A refractory block assembly for the nose ring of a rotary kiln. Self-aligning nuts contained in recesses of a refractory casting generally align with bolts radially extending through holes spaced around the periphery of a retainer in the nose ring. The nuts and recesses are sized and configured to permit limited lateral and rotational displacement of the nut for threadingly engaging the bolts.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: December 4, 1990
    Assignee: General Refractories Company
    Inventors: Howard L. Roenigk, Peter R. Frazier, Richard C. Lipp