Patents by Inventor Douglas W. Bell

Douglas W. Bell 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).

  • Grid key for interior grid cells
    Patent number: 5271049
    Abstract: A grid key for interior grid cells. A rectangular main body portion is bent near the middle at approximately a 90 degree angle. Two tabs that are flush with the main body portion extend outward in opposite directions from one end and along a portion of the length of the main body portion. The opposing side of the tabs is tapered at a 45 degree angle back toward the main body portion. The main body portion has a thickened section that coincides with the tabs. The thickened section is wedged between the soft stops of an individual interior grid cell to retract the stops and allow loading of a fuel rod.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: December 14, 1993
    Assignee: B&W Fuel Company
    Inventors: Douglas W. Bell, Jeffrey S. Whitt
  • Smoking appliance and method
    Patent number: 4774970
    Abstract: A smoker's appliance including a passageway upstream from the site of the tobacco, a passageway downstream thereof and means for elevating the upstream passageway's temperature to provide superheated area to the site of combustion. Downstream from the site of combustion, cooling occurs to precipitate and condense smoke fractions unwanted by the user.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: October 4, 1988
    Inventor: Douglas W. Bell