Patents by Inventor Robert S. Korb

Robert S. Korb 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: 5482421
    Abstract: The invention consists of an improvement to a four-wheel device used to lift drums with compressed air stored in an on-board storage tank without special straps, tools or clamps that allows the operator to lift the drum with no physical stress and to roll the drum to another location with minimum effort and allows force measuring (weighing) of the drum.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: January 9, 1996
    Assignee: The Thurman Manufacturing Co.
    Inventors: Millard Cummins, Robert S. Korb