Patents by Inventor Floyd Cushman

Floyd Cushman 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).

  • Diffuser for an annealing furnace
    Patent number: 7427375
    Abstract: A diffuser (24) for an annealing furnace has a plurality of radially extending generally and vertically oriented vanes (40) for radially directing furnace gases. The vanes have top edges (42) defining a generally planar support and the top edges of the vanes have a notch (38) therein for receiving a conduit (34) preferably ring shaped that extend substantially around a center portion of the diffuser plate. The conduit (34) is connected to an inlet (32) for receiving enriching gases and exit ports (50) circumferentially space about said conduit (34) passing the enriching gases into the diffuser (24) to be mixed with ambient furnace gases.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: September 23, 2008
    Assignee: MNP Corporation
    Inventor: Floyd Cushman