Patents by Inventor Philip Richard Blackburn

Philip Richard Blackburn 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).

  • Pulverized coal arc heated igniter system
    Patent number: 4089628
    Abstract: An electric arc heated, high velocity, oxidizing gas jet is used to ignite pulverized coal as the coal is fed in an air stream through the coal burners in a conventional coal-fired, suspension type steam boiler.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: May 16, 1978
    Assignee: Union Carbide Corporation
    Inventor: Philip Richard Blackburn