Patents by Inventor Barry L. Fisher

Barry L. Fisher 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: 4301771
    Abstract: A fluidized bed heat exchanger is provided in which air is passed through a bed of particulate material containing fuel. A steam-water natural circulation system is provided for heat exchange and the housing of the heat exchanger has a water-wall type construction. Vertical in-bed heat exchange tubes are provided and the air distributor is water-cooled. A water-cooled dust hopper is provided in the housing to collect particulates from the combustion gases and separate the combustion zone from a volume within said housing in which convection heat exchange tubes are provided to extract heat from the exiting combustion gases.
    Type: Grant
    Filed: July 2, 1980
    Date of Patent: November 24, 1981
    Assignee: Dorr-Oliver Incorporated
    Inventors: Walfred W. Jukkola, Albert M. Leon, Garritt C. Van Dyk, Jr., Daniel E. McCoy, Barry L. Fisher, Timothy L. Saiers, Marlin E. Karstetter