Patents by Inventor Rabi Bhattacharya

Rabi Bhattacharya 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 race land regions of bearing materials
    Patent number: 7910217
    Abstract: Embodiments of a coated substrate (for example, a coated race land region of a roller bearing element) comprise a metallic substrate, a ceramic underlayer comprising a nitride, a carbide, a carbonitride, a boride, or combinations thereof disposed over the metallic substrate, and a mixed layer comprising titanium nitride and silver disposed over the ceramic underlayer; and an overlayer disposed over the mixed layer.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: March 22, 2011
    Assignee: UES, Inc.
    Inventors: Amarendra K. Rai, Rabi Bhattacharya, Hitesh K. Trivedi
  • WEAR RESISTANT COATINGS FOR RACE LAND REGIONS OF BEARING MATERIALS
    Publication number: 20080107917
    Abstract: Embodiments of a coated substrate (for example, a coated race land region of a roller bearing element) comprise a metallic substrate, a ceramic underlayer comprising a nitride, a carbide, a carbonitride, a boride, or combinations thereof disposed over the metallic substrate, and a mixed layer comprising titanium nitride and silver disposed over the ceramic underlayer; and an overlayer disposed over the mixed layer.
    Type: Application
    Filed: November 6, 2007
    Publication date: May 8, 2008
    Applicant: UES, INC.
    Inventors: Amarendra K. Rai, Rabi Bhattacharya, Hitesh K. Trivedi