Patents by Inventor Martyn D. Roberts

Martyn D. Roberts 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).

  • Process for cracking hydrocarbons using improved furnace reactor tubes
    Patent number: 7482502
    Abstract: The present invention discloses a process for cracking a hydrocarbon feedstock into olefinic hydrocarbon products in a furnace at a temperature of above about 1300° F. in a reactor furnace tube comprising a plurality of reaction lines constructed of a temperature-resistant, non-nickel containing material.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: January 27, 2009
    Assignee: Stone & Webster Process Technology, Inc.
    Inventors: David J. Brown, Martyn D. Roberts
  • Systems and apparatuses for stabilizing reactor furnace tubes
    Patent number: 7048041
    Abstract: 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: Grant
    Filed: July 25, 2003
    Date of Patent: May 23, 2006
    Assignee: Stone & Webster Process Technology, Inc.
    Inventors: John R. Brewer, David J. Brown, J. Parks Craig, Chinh T. Dang, Martyn D. Roberts
  • Process for cracking hydrocarbons using improved furnace reactor tubes
    Publication number: 20040147794
    Abstract: The present invention discloses a process for cracking a hydrocarbon feedstock into olefinic hydrocarbon products in a furnace at a temperature of above about 1300° F. in a reactor furnace tube comprising a plurality of reaction lines constructed of a temperature-resistant, non-nickel containing material.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 29, 2004
    Inventors: David J. Brown, Martyn D. Roberts