Patents by Inventor Pankai K. Mehrotra

Pankai K. Mehrotra 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).

  • METHOD OF MAKING A CVD COATING SCHEME INCLUDING ALUMINA AND/OR TITANIUM-CONTAINING MATERIALS
    Publication number: 20080260947
    Abstract: A method of making a coated body wherein the method includes the following steps: providing a substrate; applying by chemical vapor deposition a titanium carbonitride coating layer containing titanium carbonitride grains for a selected duration so as to terminate the growth of the titanium carbonitride grains at a pre-selected size and control the thickness of the titanium carbonitride coating layer so as to range between a lower limit equal to about 0.
    Type: Application
    Filed: June 12, 2008
    Publication date: October 23, 2008
    Inventors: Alfred S. Gates, Charles G. McNerny, Pankai K. Mehrotra, Peter R. Leicht
  • Process for heat treating ceramics and articles of manufacture made thereby
    Publication number: 20040026813
    Abstract: A process for making a heat treated ground ceramic cutting tool and the resultant cutting tool. The process comprising the steps of: providing an uncoated ground ceramic cutting tool having at least a portion thereof ground; and heat treating the uncoated ground ceramic cutting tool so as to form the heat treated ground ceramic cutting tool.
    Type: Application
    Filed: June 26, 2003
    Publication date: February 12, 2004
    Inventors: Pankai K. Mehrotra, Mark A. Garman, Chuck E. Lipniskis, Frank B. Battaglia
  • Group IVB boride based cutting tools for machining group IVB based materials
    Patent number: 5427987
    Abstract: A densified titanium diboride based ceramic composition is provided having W and Co therein and a fine grain size. The composition has particular usefulness as a cutting tool for the machining of titanium based alloys at high speeds.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: June 27, 1995
    Assignee: Kennametal Inc.
    Inventors: Pankai K. Mehrotra, Deepak P. Ahuja, Holly S. Brooks