Patents by Inventor David L. Chase

David L. Chase 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).

  • Annealing of hot rolled steel coils with clam shell furnace
    Patent number: 7204894
    Abstract: Disclosed is a high temperature annealing furnace for hot rolled steel coils. The furnace of the present invention pivotably rotates about a pivot member between an opened and closed position. Prior to the annealing step, the hot rolled steel coils are placed within the housing of the furnace. The hot rolled steel coils are supported on a retaining element secured to a base portion located within the housing of the furnace. The hot rolled steel coils may be positioned on the base portion such that the axial opening of each coil is generally horizontal with the base portion.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: April 17, 2007
    Assignee: Nucor Corporation
    Inventor: David L. Chase