Patents by Inventor Rajesh S. Kumar

Rajesh S. Kumar 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).

  • Erosion resistant blade and blade coating
    Patent number: 10336435
    Abstract: Airfoil blades are disclosed having a coating thereon that includes a polyurethane, a polysiloxane, and a linking agent that promotes a connection between the polyurethane and the polysiloxane.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: July 2, 2019
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Rajesh S. Kumar, Robert A. Barth, Wayde R. Schmidt
  • EROSION RESISTANT BLADE AND BLADE COATING
    Publication number: 20170043860
    Abstract: Airfoil blades are disclosed having a coating thereon that includes a polyurethane, a polysiloxane, and a linking agent that promotes a connection between the polyurethane and the polysiloxane.
    Type: Application
    Filed: February 14, 2014
    Publication date: February 16, 2017
    Inventors: Rajesh S. Kumar, Robert A. Barth, Wayde R. Schmidt