Patents by Inventor George H. Criss

George H. Criss 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).

  • Resin-bonded taphole mix
    Patent number: 4792578
    Abstract: A slow setting resin-bonded taphole mix consisting essentially of a uniform admixture of a refractory grog and a bonding composition consisting essentially of a low volatile high softening point phenolic resin, a high boiling point for said resin, and a clay, and the method of using said mix to seal tapholes.
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: December 20, 1988
    Assignee: Dresser Industries, Inc.
    Inventors: Gustav O. Hughes, George H. Criss
  • Castable refractory
    Patent number: 4762811
    Abstract: A refractory composition capable, when mixed with water, of forming a hydraulic-setting castable refractory resistant to aluminum penetration and adhesion and with good load bearing properties consisting essentially of a refractory aggregate, a binder for said refractory aggregate, and an aluminum anti-adhesive agent; said agent consisting of a fine powder barium sulfate and a powdered zinc borosilicate frit in a weight ratio of 1.5:1 to 5:1.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: August 9, 1988
    Assignee: Dresser Industries, Inc.
    Inventors: John T. Vayda, George H. Criss
  • Silica castables
    Patent number: 4506025
    Abstract: A castable silica refractory consisting essentially of 58-78 by weight percent amorphous silica selected from the group consisting of vitreous and fused silica or a combination thereof; 10-30 by weight percent quartzite; 4-10 by weight percent volatilized silica; 2-3 by weight percent wollastonite powder; and 1-3 by weight percent white portland cement; plus as additions about 0.4 by weight percent water reducing agent and 6-10 by weight percent water.
    Type: Grant
    Filed: March 22, 1984
    Date of Patent: March 19, 1985
    Assignee: Dresser Industries, Inc.
    Inventors: Thomas R. Kleeb, George H. Criss, Donald O. McCreight
  • Vibratable plastic refractory
    Patent number: 4292084
    Abstract: A vibratable plastic refractory composition which is based upon calcined kaolin and a non-basic calcined refractory aggregate, in which the -325 mesh fraction of the batch is controlled to between about 30 and 45%.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: September 29, 1981
    Assignee: Dresser Industries, Inc.
    Inventors: Stephen W. Thrower, George H. Criss, Thomas R. Kleeb