Patents by Inventor Warren R. Walle

Warren R. Walle 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).

  • Patent number: 5112223
    Abstract: The present invention relates to kiln car refractory furniture. In combination, (a) a kiln car having chassis that carries a platform; (b) a curb of a row of a plurality of hollow load-bearing refractory modules aligned along the periphery of the platform of the kiln car; and (c) an insulating amount of refractory insulation dispersed between the modules and laying over the platform of the kiln car. Each load-bearing hollow refractory module further comprises: (i) a hollow body formed of a refractory material having spaced walls and a top wall defining a hollow insulating space; (ii) at least one socket means for supporting a refractory post where the post in turn supports a load of refractory ware; (iii) a securing means for supporting the socket means spaced apart from the platform of the kiln car; and (iv) surfaces on the body adapted to interlock with surfaces on another abutting module.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: May 12, 1992
    Assignee: Dal-Tile Corporation
    Inventors: Warren R. Walle, Jack B. Ross, Jesse A. Hamilton, Delfin C. Martinez