Patents by Inventor Allan R. Case

Allan R. Case 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).

  • Publication number: 20220002206
    Abstract: A refractory article includes a body having a first portion defining at least a portion of a first exterior surface of the body, the first portion including a carbide, and further including a second portion defining at least a portion of a second exterior surface of the body opposite the first exterior surface, the second portion including an oxide, and a thermal conductivity difference (?TC) of at least 10 W/mK between the first exterior surface and the second exterior surface, and an average Shell Temperature of not greater than 400° C.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Inventors: Julio Cesar T. SPADACCIA, Nancy F. LEVOY, Allan R. CASE, Craig J. IOZZO
  • Patent number: 11155500
    Abstract: A refractory article includes a body having a first portion defining at least a portion of a first exterior surface of the body, the first portion including a carbide, and further including a second portion defining at least a portion of a second exterior surface of the body opposite the first exterior surface, the second portion including an oxide, and a thermal conductivity difference (?TC) of at least 10 W/mK between the first exterior surface and the second exterior surface, and an average Shell Temperature of not greater than 400° C.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: October 26, 2021
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Julio Cesar T. Spadaccia, Nancy F. Levoy, Allan R. Case, Craig J. Iozzo
  • Publication number: 20200148597
    Abstract: A refractory article includes a body having a first portion defining at least a portion of a first exterior surface of the body, the first portion including a carbide, and further including a second portion defining at least a portion of a second exterior surface of the body opposite the first exterior surface, the second portion including an oxide, and a thermal conductivity difference (?TC) of at least 10 W/mK between the first exterior surface and the second exterior surface, and an average Shell Temperature of not greater than 400° C.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 14, 2020
    Inventors: Julio Cesar T. SPADACCIA, Nancy F. LEVOY, Allan R. CASE, Craig J. IOZZO
  • Patent number: 10093580
    Abstract: A refractory article can include a body including a content of alumina of at least 60 wt %, a content of silica of not greater than 20 wt %, a content of zirconia of not greater than 20 wt % for a total weight of the body. In a particular embodiment, the body includes a third phase including composite grains including mullite and zirconia. The third phase including the composite grains can be present within a range including at least 1 wt % and not greater than 35 wt % for a total weight of the body.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 9, 2018
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Allan R. Case, Edmund A. Cortellini, Hansong Huang, Melanie Kuhn, Nancy F. Levoy, Wesley S. Towle
  • Publication number: 20180105467
    Abstract: A refractory article can include a body including a content of alumina of at least 60 wt %, a content of silica of not greater than 20 wt %, a content of zirconia of not greater than 20 wt % for a total weight of the body. In a particular embodiment, the body includes a third phase including composite grains including mullite and zirconia. The third phase including the composite grains can be present within a range including at least 1 wt % and not greater than 35 wt % for a total weight of the body.
    Type: Application
    Filed: July 31, 2017
    Publication date: April 19, 2018
    Inventors: Allan R. Case, Edmund A. Cortellini, Hansong Huang, Melanie Kuhn, Nancy F. Levoy, Wesley S. Towle
  • Patent number: 9758434
    Abstract: A refractory article can include a body including a content of alumina of at least 60 wt %, a content of silica of not greater than 20 wt %, a content of zirconia of not greater than 20 wt % for a total weight of the body. In a particular embodiment, the body includes a third phase including composite grains including mullite and zirconia. The third phase including the composite grains can be present within a range including at least 1 wt % and not greater than 35 wt % for a total weight of the body.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: September 12, 2017
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Allan R. Case, Edmund A. Cortellini, Hansong Huang, Melanie Kuhn, Nancy F. Levoy, Wesley S. Towle
  • Publication number: 20160347664
    Abstract: A refractory article can include a body including a content of alumina of at least 60 wt %, a content of silica of not greater than 20 wt %, a content of zirconia of not greater than 20 wt % for a total weight of the body. In a particular embodiment, the body includes a third phase including composite grains including mullite and zirconia. The third phase including the composite grains can be present within a range including at least 1 wt % and not greater than 35 wt % for a total weight of the body.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Inventors: Allan R. Case, Edmund A. CORTELLINI, Hansong HUANG, Melanie KUHN, Nancy F. LEVOY, Wesley S. TOWLE