Patents by Inventor Charles Graham McNerny

Charles Graham McNerny 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).

  • CVD coated polycrystalline c-BN cutting tools
    Patent number: 9028953
    Abstract: CVD coated cutting tools are provided. A coated cutting tool described herein, in some embodiments, comprises a PcBN substrate and a polished coating adhered to the substrate including one or more layers of Al2O3 deposited by chemical vapor deposition, wherein the coating has a surface roughness (Ra) less than about 600 nm in an area of the cutting tool for contacting a workpiece.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: May 12, 2015
    Assignee: Kennametal Inc.
    Inventors: Frank Barry Battaglia, Crystal Jane Nestor, Peter Rudolf Leicht, Kent Lewis Reiner, Charles Graham McNerny
  • Cemented carbide body and applications thereof
    Patent number: 8834594
    Abstract: In one aspect, cemented carbide bodies are provided. A cemented carbide body described herein, in some embodiments, comprises a tungsten carbide phase, a binder phase comprising at least one metal of the iron group or an alloy thereof, a solid solution phase of carbides of zirconium and niobium (Zr,Nb)C and cubic carbides in an amount ranging from about 0.5 volume percent to about 6 volume percent.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: September 16, 2014
    Assignee: Kennametal Inc.
    Inventors: Guenter Johann Roder, Anders Evert Petersson, Charles Graham McNerny, Pankaj Kumar Mehrotra
  • CVD Coated Polycrystalline c-BN Cutting Tools
    Publication number: 20140199130
    Abstract: CVD coated cutting tools are provided. A coated cutting tool described herein, in some embodiments, comprises a PcBN substrate and a polished coating adhered to the substrate including one or more layers of Al2O3 deposited by chemical vapor deposition, wherein the coating has a surface roughness (Ra) less than about 600 nm in an area of the cutting tool for contacting a workpiece.
    Type: Application
    Filed: January 11, 2013
    Publication date: July 17, 2014
    Applicant: Kennametal Inc.
    Inventors: Frank Barry Battaglia, Crystal Jane Nestor, Peter Rudolf Leicht, Kent Lewis Reiner, Charles Graham McNerny
  • CEMENTED CARBIDE BODY AND APPLICATIONS THEREOF
    Publication number: 20130164547
    Abstract: In one aspect, cemented carbide bodies are provided. A cemented carbide body described herein, in some embodiments, comprises a tungsten carbide phase, a binder phase comprising at least one metal of the iron group or an alloy thereof, a solid solution phase of carbides of zirconium and niobium (Zr,Nb)C and cubic carbides in an amount ranging from about 0.5 volume percent to about 6 volume percent.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 27, 2013
    Applicant: Kennametal Inc.
    Inventors: Guenter Johann Roder, Anders Evert Petersson, Charles Graham McNerny, Pankaj Kumar Mehrotra