Patents by Inventor Krishna Kumar Vaidyanathan

Krishna Kumar Vaidyanathan 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).

  • WEAR RESISTANT COATINGS FOR TOOL DIES
    Publication number: 20180001511
    Abstract: A tool die for forming a green ceramic body. The tool die has a wear resistant coating that is deposited on a substrate and has an outer or free surface having a morphology that provides a mean roughness in a range from about 0.03 ?m up to about 0.8 ?m Rq. In one embodiment, the wear resistant coating has multiple alternating layers of fine grained and coarse grained materials. Methods of making the tool die and wear resistant coating are also provided.
    Type: Application
    Filed: September 14, 2017
    Publication date: January 4, 2018
    Inventor: Krishna Kumar Vaidyanathan
  • Wear resistant coatings for tool dies
    Patent number: 9796108
    Abstract: A tool die for forming a green ceramic body. The tool die has a wear resistant coating that is deposited on a substrate and has an outer or free surface having a morphology that provides a mean roughness in a range from about 0.03 ?m up to about 0.8 ?m Rq. In one embodiment, the wear resistant coating has multiple alternating layers of fine grained and coarse grained materials. Methods of making the tool die and wear resistant coating are also provided.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: October 24, 2017
    Assignee: Corning Incorporated
    Inventor: Krishna Kumar Vaidyanathan
  • WEAR RESISTANT COATINGS FOR TOOL DIES
    Publication number: 20110139958
    Abstract: A tool die for forming a green ceramic body. The tool die has a wear resistant coating that is deposited on a substrate and has an outer or free surface having a morphology that provides a mean roughness in a range from about 0.03 ?m up to about 0.8 ?m Rq. In one embodiment, the wear resistant coating has multiple alternating layers of fine grained and coarse grained materials. Methods of making the tool die and wear resistant coating are also provided.
    Type: Application
    Filed: August 27, 2009
    Publication date: June 16, 2011
    Applicant: Corning Incorporated
    Inventor: Krishna Kumar Vaidyanathan