Patents by Inventor John R. Chiles

John R. Chiles 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).

  • Emulsion blasting agent preparation system
    Patent number: 4948440
    Abstract: The invention provides an apparatus for the manufacture of a coarse emulsion blasting agent and a method for the conversion of same into a sensitive blasting explosive. The apparatus comprises a low shear mechanical mixer in which a coarse emulsion can be continuously prepared. The coarse emulsion is then passed though a fine emulsification motionless mixer for conversion into sensitive explosive.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: August 14, 1990
    Assignee: C-I-L Inc.
    Inventors: William E. Cribb, John R. Chiles, William B. Evans, Ralph H. Derry