Patents by Inventor Ravikiran Kota

Ravikiran Kota 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).

  • Bearing assembly for a drilling tool
    Patent number: 9297410
    Abstract: A bearing assembly for a drilling tool. A radial bearing assembly for use in a drilling tool may include a bushing having a generally cylindrical body with an inner surface. The radial bearing assembly may also include a sleeve configured to couple to a rotatable shaft of the drilling tool and configured to rotate within the bushing. The sleeve has (i) a plurality of spiral projections extending laterally in a direction away from a longitudinal axis of the radial bearing assembly and (ii) a plurality of flow paths, where a flow path of the plurality of flow paths is defined between a pair of adjacent spiral projections.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: March 29, 2016
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Ravikiran Kota, Somasundaram Valliyappan, H. Andrew Grebe
  • Bearing Assembly for a Drilling Tool
    Publication number: 20140185972
    Abstract: A bearing assembly for a drilling tool. A radial bearing assembly for use in a drilling tool may include a bushing having a generally cylindrical body with an inner surface. The radial bearing assembly may also include a sleeve configured to couple to a rotatable shaft of the drilling tool and configured to rotate within the bushing. The sleeve has (i) a plurality of spiral projections extending laterally in a direction away from a longitudinal axis of the radial bearing assembly and (ii) a plurality of flow paths, where a flow path of the plurality of flow paths is defined between a pair of adjacent spiral projections.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 3, 2014
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Ravikiran Kota, Somasundaram Valliyappan, Andrew Grebe