Patents by Inventor Margaret L. Skowron

Margaret L. Skowron 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).

  • SHAPED ABRASIVE PARTICLES AND METHODS OF FORMING SAME
    Publication number: 20180327644
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 15, 2018
    Inventors: Ralph BAUER, Martin BARNES, Rene G. DEMERS, Margaret L. SKOWRON
  • Shaped abrasive particles and methods of forming same
    Patent number: 10000676
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 19, 2018
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • SHAPED ABRASIVE PARTICLES AND METHODS OF FORMING SAME
    Publication number: 20170247592
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Application
    Filed: May 11, 2017
    Publication date: August 31, 2017
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • Shaped abrasive particles and methods of forming same
    Patent number: 9688893
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: June 27, 2017
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • Submicron alpha alumina high temperature bonded abrasives
    Patent number: 9669517
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C. The alumina abrasive grits include polycrystalline alpha alumina having a fine crystalline microstructure characterized by an alpha alumina average domain size not greater than 500 nm, and the alumina abrasive grits further include a pinning agent that is a dispersed phase in the polycrystalline alpha alumina.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: June 6, 2017
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Margaret L. Skowron
  • SHAPED ABRASIVE PARTICLES AND METHODS OF FORMING SAME
    Publication number: 20160326416
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Application
    Filed: July 19, 2016
    Publication date: November 10, 2016
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • Shaped abrasive particles and methods of forming same
    Patent number: 9428681
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 30, 2016
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • SHAPED ABRASIVE PARTICLES AND METHODS OF FORMING SAME
    Publication number: 20160053151
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Application
    Filed: October 28, 2015
    Publication date: February 25, 2016
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • SUBMICRON ALPHA ALUMINA HIGH TEMPERATURE BONDED ABRASIVES
    Publication number: 20150360345
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C.
    Type: Application
    Filed: August 25, 2015
    Publication date: December 17, 2015
    Inventors: Ralph Bauer, Margaret L. Skowron
  • Shaped abrasive particles and methods of forming same
    Patent number: 9200187
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: December 1, 2015
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • Submicron alpha alumina high temperature bonded abrasives
    Patent number: 9144887
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C. The alumina abrasive grits include polycrystalline alpha alumina having a fine crystalline microstructure characterized by an alpha alumina average domain size not greater than 500 nm, and the alumina abrasive grits further include a pinning agent that is a dispersed phase in the polycrystalline alpha alumina.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: September 29, 2015
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Margaret L. Skowron
  • Submicron alpha alumina high temperature bonded abrasives
    Patent number: 8932378
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C. The alumina abrasive grits include polycrystalline alpha alumina having a fine crystalline microstructure characterized by an alpha alumina average domain size not greater than 500 nm, and the alumina abrasive grits further include a pinning agent that is a dispersed phase in the polycrystalline alpha alumina.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: January 13, 2015
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Ralph Bauer, Margaret L. Skowron
  • SUBMICRON ALPHA ALUMINA HIGH TEMPERATURE BONDED ABRASIVES
    Publication number: 20140144087
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Inventors: Ralph Bauer, Margaret L. Skowron
  • SHAPED ABRASIVE PARTICLES AND METHODS OF FORMING SAME
    Publication number: 20130337262
    Abstract: A method of forming a shaped abrasive particle includes applying a mixture into a shaping assembly within an application zone and directing an ejection material at the mixture in the shaping assembly under a predetermined force, removing the mixture from the shaping assembly and forming a precursor shaped abrasive particle.
    Type: Application
    Filed: May 23, 2013
    Publication date: December 19, 2013
    Inventors: Ralph Bauer, Martin Barnes, Rene G. Demers, Margaret L. Skowron
  • Transitional alumina particulate materials having controlled morphology and processing for forming same
    Patent number: 8088355
    Abstract: An alumina particulate material is disclosed, including particles comprising transitional alumina having an aspect ratio of not less than 3:1 and an average particle size of not less than about 75 nm. Also disclosed are fabrication techniques based on seeded processing pathways.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: January 3, 2012
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Ralph Bauer, Doruk O. Yener, Margaret L. Skowron, Martin Barnes
  • Seeded boehmite particulate material and methods for forming same
    Patent number: 7582277
    Abstract: A boehmite particulate material is disclosed. The material is formed by a process that includes providing a boehmite precursor and boehmite seeds in a suspension, and heat treating the suspension to convert the boehmite precursor into boehmite particulate material. The boehmite particulate material has an aspect ratio of not less than 3:1.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: September 1, 2009
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Ralph Bauer, Margaret L. Skowron, Martin Barnes, Doruk O. Yener
  • SUBMICRON ALPHA ALUMINA HIGH TEMPERATURE BONDED ABRASIVES
    Publication number: 20080148653
    Abstract: A high temperature bonded abrasive includes alumina abrasive grits, and a vitreous bond matrix in which the alumina abrasive grits are distributed, the vitreous bond matrix having a cure temperature not less than 1000° C.
    Type: Application
    Filed: December 12, 2007
    Publication date: June 26, 2008
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ralph Bauer, Margaret L. Skowron