Patents by Inventor T. Craig Derbidge

T. Craig Derbidge 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).

  • Firing of pulverized solvent refined coal
    Patent number: 4570551
    Abstract: An air-purged burner for the firing of pulverized solvent refined coal is constructed and operated such that the solvent refined coal can be fired without the coking thereof on the burner components. The air-purged burner is designed for the firing of pulverized solvent refined coal in a tangentially fired boiler.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: February 18, 1986
    Assignee: International Coal Refining Company
    Inventors: T. Craig Derbidge, James A. Mulholland, Edward P. Foster