Patents by Inventor Keith Lew

Keith Lew 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).

  • FOUNDRY MEDIA FORMED FROM SLURRY DROPLETS AND METHODS OF USE
    Publication number: 20200114415
    Abstract: A foundry media pellet includes a sintered ceramic material having a size from about 10 AFS GFN to about 110 AFS GFN, and a surface roughness of less than about 4 microns.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Brett A. WILSON, Claude KRAUSE, Steve CANOVA, Keith LEW, Benjamin T. ELDRED, Clayton F. GARDINIER, Robert DUENCKEL
  • Foundry media formed from slurry droplets and methods of use
    Patent number: 10507517
    Abstract: A foundry media pellet includes a sintered ceramic material having a size from about 10 AFS GFN to about 110 AFS GFN, and a surface roughness of less than about 4 microns.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 17, 2019
    Assignee: CARBO CERAMICS INC.
    Inventors: Brett A. Wilson, Claude Krause, Steve Canova, Keith Lew, Benjamin T. Eldred, Clayton F. Gardinier, Robert Duenckel
  • FOUNDRY MEDIA FORMED FROM SLURRY DROPLETS AND METHODS OF USE
    Publication number: 20190184450
    Abstract: A foundry media pellet includes a sintered ceramic material having a size from about 10 AFS GFN to about 110 AFS GFN, and a surface roughness of less than about 4 microns.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 20, 2019
    Inventors: Brett A. Wilson, Claude Krause, Steve Canova, Keith Lew, Benjamin T. Eldred, Clayton F. Gardinier, Robert Duenckel