Patents by Inventor Herbert Kenneth Staffin

Herbert Kenneth Staffin 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).

  • Apparatus and method for sand core debonding and heat treating metal castings
    Patent number: 6253830
    Abstract: A process for removing sand cores from metal castings in a continuous or semi-continuous procedure utilizes a fluid bed furnace. The thermally decomposed sand cores are carried away with the fluidized solids of the furnace bed.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: July 3, 2001
    Assignee: Procedyne Corp.
    Inventors: Karin Staffin Bickford, Herbert Kenneth Staffin, Robert Bernard Roaper, II