Patents by Inventor Asim Kumar Sahu

Asim Kumar Sahu 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).

  • Process and an apparatus for removal of silicon, manganese, carbon and sulfur in a single reaction vessel
    Patent number: 6063157
    Abstract: A process and an apparatus for removal of silicon, manganese, carbon and sulphur in a single reaction vessel from molten high carbon ferrous metal by conducting the highly reducing and highly oxidizing reactions at two different locations within the same reaction vessel. The removal of sulphur is effected at the bottom of the vessel, whereas the removal of manganese silicon and carbon is effected at the top layer of the molten layer of the molten metal where slag is present.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: May 16, 2000
    Inventors: Shilowbhadra Banerjee, Kedar Nath Pandey, Bharat Chandra Roy, Om Prakash Sharma, Asim Kumar Sahu