Patents by Inventor Michael P. HITCHINER

Michael P. HITCHINER 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).

  • Bonded abrasive article and method of grinding
    Patent number: 10946499
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of at least about 5.5 MPa·m0.5 may include a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of at least about 1 micron and not greater than about 20 microns.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 16, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Srinivasan Ramanath, William H. Lane, Rachana Upadhyay, Michael P. Hitchiner
  • BONDED ABRASIVE ARTICLE AND METHOD OF GRINDING
    Publication number: 20180117736
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of at least about 5.5 MPa·m0.5 may include a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of at least about 1 micron and not greater than about 20 microns.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 3, 2018
    Inventors: Srinivasan Ramanath, William H. Lane, Rachana Upadhyay, Michael P. Hitchiner
  • Bonded abrasive article and method of grinding
    Patent number: 9833877
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of at least about 5.5 MPa·m0.5 may include a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of at least about 1 micron and not greater than about 20 microns.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: December 5, 2017
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Srinivasan Ramanath, William H. Lane, Rachana Upadhyay, Michael P. Hitchiner
  • BONDED ABRASIVE ARTICLE AND METHOD OF GRINDING
    Publication number: 20140298729
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of at least about 5.5 MPa·m0.5 may include a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of at least about 1 micron and not greater than about 20 microns.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 9, 2014
    Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.
    Inventors: Srinivasan RAMANATH, William H. LANE, Rachana UPADHYAY, Michael P. HITCHINER