Patents by Inventor Robert S. Ruffini, Sr.

Robert S. Ruffini, Sr. 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).

  • Heat treating of metallurgic article with varying aspect ratios
    Patent number: 6166360
    Abstract: This invention provides methods for rapidly heating a metal part of varying thickness. In general, the invention provides methods comprising heating the thicker section(s) of the part by induction heating and the thinner section(s) by resistance heating. Induction and resistance heating both quickly heat metals and because each is easily controlled individually, the part can be uniformly heated for hardening and tempering.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: December 26, 2000
    Assignee: Fluxtrol Manufacturing, Inc.
    Inventors: Robert S. Ruffini, Sr., Valentin Nemkov