Patents by Inventor Jerry Gerber

Jerry Gerber 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).

  • Dry process gunning of refractory castable
    Patent number: 5976632
    Abstract: A process for applying a refractory castable onto a surface, comprising the steps of: (a) introducing metered amounts of a clay-free, dry refractory castable into a delivery hose, the dry refractory castable having an alumina content of about 40-95%; (b) conveying the dry refractory to a dispensing assembly under pneumatic pressure; (c) introducing water and a set modifying admixture into the dry refractory prior to dispensing the refractory castable from the dispensing assembly; and (d) spraying the hydraulic refractory castable onto a surface.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: November 2, 1999
    Assignee: North American Refractories Co.
    Inventors: Jerry Gerber, Jeffrey E. Bogan, Samuel B. Bonsall, III