Patents by Inventor John K. Simms

John K. Simms 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).

  • Mixer block for use in rotary drums
    Patent number: 4136965
    Abstract: A mixer block used in rotary drums to improve the efficiency of mixing, drying, cooling, heating, or calcining of solid materials such as gravel, stone, fluxes and the like to produce a more uniform product with minimal production of fines and dust is described. The mixer block is especially useful when used as part of the refractory lining in a rotary kiln to calcine fluxstone such as limestone, dolomite, dolomitic limestone, magnesite and the like.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: January 30, 1979
    Assignee: Bethlehem Steel Corporation
    Inventors: Carl E. Sunnergren, John K. Simms, Dale W. Brinker