Patents by Inventor Donald Berchem

Donald Berchem 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: 6473952
    Abstract: An apparatus for removing dross from the bottom front and back edges of torch cut slabs of continuous cast steel being conveyed upon a line of rollers. It has at least one blade support mounted upon a rotatable powered spindle journaled in bearings at an interior angle of about 6 degrees-15 degrees. It also has a pair of opposed parallel dross removing blades. Their front edges have a downwardly sloped flat top and a 90 degree vertical end. There is at least one vertical dross cutting blade mounted on the blade support at an angle perpendicular to the line of rollers and extending beyond the vertical end of the dross removing blades. Control means rotate the spindle sufficiently to remove any dross that has fallen thereon. Also disclosed is a method for using the apparatus.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: November 5, 2002
    Inventors: Charles J. Gedrich, Donald Berchem