Patents by Inventor Ramchandra S. Patil

Ramchandra S. Patil 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: 6177140
    Abstract: The present application discloses a method for hot-dip galvanizing and galvannealing which employs a bath of zinc and aluminum. Strips are immersed in the bath to produce substantially dross-free galvannealed and galvanized strips. The bath can have substantially the same effective aluminum concentration during galvannealing as during galvanizing, and the temperature set-point of the bath is at a temperature of about 440° C. to about 450° C.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: January 23, 2001
    Assignee: Ispat Inland, Inc.
    Inventors: Ramchandra S. Patil, Pertti Sippola