Patents by Inventor Parag L. Hegde

Parag L. Hegde 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).

  • Patent number: 8500966
    Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: August 6, 2013
    Assignee: Kennametal Inc.
    Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
  • Patent number: 6884499
    Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: April 26, 2005
    Assignee: Kennametal Inc.
    Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
  • Publication number: 20040026236
    Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.
    Type: Application
    Filed: August 5, 2003
    Publication date: February 12, 2004
    Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
  • Patent number: 6660133
    Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: December 9, 2003
    Assignee: Kennametal Inc.
    Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor
  • Publication number: 20030175536
    Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.
    Type: Application
    Filed: March 14, 2002
    Publication date: September 18, 2003
    Inventors: Ronald M. Penich, Parag L. Hegde, Aharon Inspektor