Patents by Inventor Christopher L. Macey

Christopher L. Macey 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 BRICKS AND METHODS OF MAKING THE SAME
    Publication number: 20160214905
    Abstract: A refractory brick including a refractory composition comprising, by weight based on total weight of the composition: 5% to 50% olivine; 3.5% to 35% magnesia-alumina spinel; optionally, 1% to 10% alumina; and the balance essentially magnesite and impurities. In certain non-limiting embodiments, the refractory brick can have a thermal conductivity of 2.6 W/(m·K) or less when tested at 1400° C., while maintaining a coefficient of thermal expansion of 12.6×10?6/° C. or less.
    Type: Application
    Filed: January 22, 2016
    Publication date: July 28, 2016
    Inventor: CHRISTOPHER L. MACEY
  • Castable and gunning composition with improved resistance to build-up and alkali infiltration
    Patent number: 5753572
    Abstract: Mixes suitable for casting or gunning containing a heat-resistant aggregate blend containing at least about 50 wt. % high alumina grain, silicon carbide, and zircon sand, and to the method of utilizing the same to form alkali-resistant linings in high temperature vessels that have improved resistance to build-up.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: May 19, 1998
    Assignee: Harbison-Walker Refractories Company
    Inventors: Mark C. Langenohl, Christopher L. Macey
  • Dead-burned magnesite and magnesia-alumina spinel refractory composition
    Patent number: 5021374
    Abstract: A refractory composition for forming shaped refractories comprising from about 60 to 85% by weight of a dead-burned magnesite and, correspondingly, about 15 to 40% by weight of a magnesia-alumina spinel grain; said refractory having a total lime and silica content of about 2 to 4% by weight and a lime-to-silica ratio (CaO:SiO.sub.2) greater than about 1.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: June 4, 1991
    Assignee: Dresser Industries, Inc.
    Inventor: Christopher L. Macey
  • Low thermal conductivity magnesite-spinel brick and method
    Patent number: 4833109
    Abstract: A refractory mix for forming low thermal conductivity refractory shapes comprising about 50 to 90% by weight of magnesite, about 10 to 50% by weight spinel or about 7 to 35% by weight of an alumina-bearing material, and about 1 to 10% by weight of a nonsiliceous void-forming material.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: May 23, 1989
    Assignee: Dressers Industries, Inc.
    Inventors: Christopher L. Macey, Richard J. Knauss