Patents by Inventor David J. Lechevalier

David J. Lechevalier 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).

  • Refractory article and method of making
    Patent number: 11814317
    Abstract: A refractory article includes a body including a ceramic having an aluminosilicate present in an amount of at least 70 wt % and not greater than 99 wt % for a total weight of the body, and the body further includes a dopant including a Mg-containing oxide compound and a Fe-containing oxide compound, and the dopant is present in an amount within a range including at least 1 wt % and not greater than 12 wt %.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 14, 2023
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Olivier Citti, Wesley S Towle, David J. Lechevalier
  • Sintered zircon material for forming block
    Patent number: 11465940
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: October 11, 2022
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Julien P. Fourcade, David J. Lechevalier, Olivier Citti
  • SINTERED ZIRCON MATERIAL FOR FORMING BLOCK
    Publication number: 20190276365
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Application
    Filed: April 15, 2019
    Publication date: September 12, 2019
    Inventors: Julien P. FOURCADE, David J. LECHEVALIER, Olivier CITTI
  • Sintered zircon material for forming block
    Patent number: 10308556
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: June 4, 2019
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Julien P. Fourcade, David J. Lechevalier, Olivier Citti
  • SINTERED ZIRCON MATERIAL FOR FORMING BLOCK
    Publication number: 20180093924
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 5, 2018
    Inventors: Julien P. FOURCADE, David J. LECHEVALIER, Olivier CITTI
  • REFRACTORY ARTICLE AND METHOD OF MAKING
    Publication number: 20180044243
    Abstract: A refractory article includes a body including a ceramic having an aluminosilicate present in an amount of at least 70 wt % and not greater than 99 wt % for a total weight of the body, and the body further includes a dopant including a Mg-containing oxide compound and a Fe-containing oxide compound, and the dopant is present in an amount within a range including at least 1 wt % and not greater than 12 wt %.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 15, 2018
    Inventors: Olivier CITTI, Wesley S. TOWLE, David J. LECHEVALIER
  • Sintered zircon material for forming block
    Patent number: 9809500
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: November 7, 2017
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Julien P. Fourcade, David J. Lechevalier, Olivier Citti
  • Sintered zircon material for forming block
    Patent number: 9624132
    Abstract: A component includes a body including zircon (ZrSiO4) grains, the body having a free silica intergranular phase present between the zircon grains and distributed substantially uniformly through the body. The body comprises a content of free silica not greater than about 2 wt. % for the total weight of the body.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: April 18, 2017
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Olivier Citti, Julien P. Fourcade, Andrea L. Kazmierczak, David J. Lechevalier
  • SINTERED ZIRCON MATERIAL FOR FORMING BLOCK
    Publication number: 20160221879
    Abstract: A component includes a body including zircon (ZrSiO4) grains, the body having a free silica intergranular phase present between the zircon grains and distributed substantially uniformly through the body. The body comprises a content of free silica not greater than about 2 wt. % for the total weight of the body.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 4, 2016
    Inventors: OLIVIER CITTI, JULIEN P. FOURCADE, Andrea L. Kazmierczak, David J. Lechevalier
  • Sintered zircon material for forming block
    Patent number: 9272958
    Abstract: A component includes a body including zircon (ZrSiO4) grains, the body having a free silica intergranular phase present between the zircon grains and distributed substantially uniformly through the body. The body comprises a content of free silica not greater than about 2 wt. % for the total weight of the body.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 1, 2016
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Olivier Citti, Julien P. Fourcade, Andrea L. Kazmierczak, David J. Lechevalier
  • SINTERED ZIRCON MATERIAL FOR FORMING BLOCK
    Publication number: 20150274599
    Abstract: A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al2O3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO2 component for a total weight of the zircon body.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 1, 2015
    Inventors: Julien P. Fourcade, David J. Lechevalier, Olivier Citti
  • SINTERED ZIRCON MATERIAL FOR FORMING BLOCK
    Publication number: 20140235427
    Abstract: A component includes a body including zircon (ZrSiO4) grains, the body having a free silica intergranular phase present between the zircon grains and distributed substantially uniformly through the body. The body comprises a content of free silica not greater than about 2 wt. % for the total weight of the body.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 21, 2014
    Applicant: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Olivier Citti, Julien P. Fourcade, Andrea L. Kazmierczak, David J. Lechevalier