Patents by Inventor Rao N. Kudithipudi

Rao N. Kudithipudi 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).

  • Submerged arc flux and method of making same
    Patent number: 5300754
    Abstract: A granular flux suitable for submerged arc electric welding comprising particles of composite fluxing ingredients of the agglomerated or fused type combined with a halogenated polymer as a reducing agent for diffusible hydrogen in the resulting weld metal and a method of making this granular flux wherein the polymer is mixed with the flux particles and then heated to a temperature above the melting temperature of the polymer and below the vaporization temperature of the polymer.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: April 5, 1994
    Assignee: The Lincoln Electric Company
    Inventors: John Gonzalez, Rao N. Kudithipudi, Ronald F. Young