Patents by Inventor J. Craig

J. Craig 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: 20050019233
    Abstract: The present invention discloses systems and apparatuses for stabilizing the movement of the reactor furnace tubes of a fired heater, furnace, heat exchanger or other device utilizing reactor furnace tubes to thereby reduce harmful stresses on the tubes, extend the useful life of the tubes, increase the efficiency and safety of reaction processes and allow for the streamlining the design of the tubes.
    Type: Application
    Filed: July 25, 2003
    Publication date: January 27, 2005
    Inventors: John Brewer, David Brown, J. Craig, Chinh Dang, Martyn Roberts