Patents by Inventor Adrian Robert Hughes

Adrian Robert Hughes 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: 6523502
    Abstract: A method of controllable cooling of a boiler (10) and removing exfoliated magnetite from the boiler tubes (30, 31) employs flowing dry gas through the boiler tubes (30, 31) at a flow velocity above the terminal velocity of the magnetite flakes as the boiler (10) is cooled from a temperature above the temperature at which exfoliation occurs. A method of removing magnetite blockages (100) from boiler tubes (30, 31) is also disclosed.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: February 25, 2003
    Assignee: C S Energy Ltd
    Inventor: Adrian Robert Hughes