Patents by Inventor Paul E. Schlett

Paul E. Schlett 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).

  • Patent number: 5496525
    Abstract: Simply stated, the present invention contemplates the use of a ceramic fiber insulation material which is impregnated with an agent capable of stiffening the blanket and reducing erosion of the insulation material under conditions of use.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: March 5, 1996
    Assignee: Exxon Research and Engineering Company
    Inventors: Arthur A. Lietz, John R. Peterson, Paul E. Schlett
  • Patent number: 4656146
    Abstract: A refractory composition characterized by abrasion resistance and low thermal conductivity comprising about 40 to about 96 weight percent amorphous silica, about 2 to about 50 weight percent -65 mesh calcined refractory aggregate having a density of at least about 140 lb/ft.sup.3 and about 2 to about 40 weight percent calcium aluminate cement.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: April 7, 1987
    Assignees: Exxon Research & Eng. Co., Dresser Industries, Inc.
    Inventors: Paul E. Schlett, John R. Peterson, James A. Caprio, Thomas R. Kleeb