Patents by Inventor Manvil O. Dahl

Manvil O. Dahl 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).

  • Low NOcyclone furnace steam generator
    Patent number: 7926432
    Abstract: A low NOx Cyclone furnace steam generator including redesigned or modified Cyclone furnaces, air flow distribution, and new or relocated air ports maintains and/or minimizes NOx emission levels from the Cyclone furnace steam generator while minimizing Cyclone furnace and steam generator furnace tube wastage.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: April 19, 2011
    Inventors: Gerald J. Maringo, George H. Harth, III, Manvil O. Dahl, Linda P. Dahl, legal representative, Steven W. Burge, Rosemary Burge, legal representative, Mitchell W. Hopkins
  • Low Nox Cyclone Furnace Steam Generator
    Publication number: 20080127869
    Abstract: A low NOx Cyclone furnace steam generator including redesigned or modified Cyclone furnaces, air flow distribution, and new or relocated air ports maintains and/or minimizes NOx emission levels from the Cyclone furnace steam generator while minimizing Cyclone furnace and steam generator furnace tube wastage.
    Type: Application
    Filed: February 6, 2006
    Publication date: June 5, 2008
    Inventors: Gerald J. Maringo, George H. Harth, Manvil O. Dahl, Linda P. Dahl, Steven N. Burge, Rosemary Burge, Mitchell W. Hopkins
  • Cyclone furnace for retrofit applications
    Patent number: 6021724
    Abstract: An improved Cyclone furnace particularly suitable for retrofit applications to an existing boiler incorporates a Cyclone furnace and an integrated de-slagging chamber as a single manufactured piece. The Cyclone furnace and the de-slagging chamber are provided with a water cooling circuit which is separate from a water cooling circuit of the existing boiler to which it may be coupled, permitting the improved Cyclone furnace to be easily retrofitted to existing boilers or furnaces, even those not originally designed for Cyclone firing.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: February 8, 2000
    Assignees: The Babcock & Wilcox Company, McDermott Technology, Inc.
    Inventors: Manvil O. Dahl, Hamid Farzan, John E. Granger, Gerald J. Maringo