Patents by Inventor Paul C. Sheil

Paul C. Sheil 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: 20090020927
    Abstract: An insulating refractory lining for insulating the inner surface of a vessel defined by a metal shell. The refractory lining is comprised of a first refractory layer overlaying an inner surface of a metal shell. The first refractory layer is comprised of a cast refractory material and has a first side facing the metal shell and a second side facing away from the metal shell. A plurality of discrete, spaced-apart cavities are formed in the first side of the first refractory layer. The cavities define air pockets between the metal shell and the first refractory layer.
    Type: Application
    Filed: September 8, 2008
    Publication date: January 22, 2009
    Inventors: Ronald L. Barrett, Paul C. Sheil
  • Publication number: 20090020926
    Abstract: An insulating refractory lining for insulating the inner surface of a vessel defined by a metal shell. The refractory lining is comprised of a first refractory layer overlaying an inner surface of a metal shell. The first refractory layer is comprised of a cast refractory material and has a first side facing the metal shell and a second side facing away from the metal shell. A plurality of discrete, spaced-apart cavities are formed in the first side of the first refractory layer. The cavities define air pockets between the metal shell and the first refractory layer.
    Type: Application
    Filed: July 17, 2007
    Publication date: January 22, 2009
    Inventors: Ronald L. Barrett, Paul C. Sheil