Patents by Inventor Vikrant Bhadbhade

Vikrant Bhadbhade 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).

  • Manufacturing methods for high shear roller cone bits
    Patent number: 8955413
    Abstract: A method of manufacturing a roller cone drill bit may include forming a body of a single piece having an upper end and a lower end; machining at the lower end of the body at least two journals extending downward and radially outward from a central axis of the body; machining at least one of a ball passage, a hydraulic fluid passageway, a grease reservoir, and a lubricant passageway; and mounting roller cones on the at least two journals.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: February 17, 2015
    Assignee: Smith International, Inc.
    Inventors: Rahul Bijai, Zhehua Zhang, Vikrant Bhadbhade, Prabhakaran K. Centala
  • MANUFACTURING METHODS FOR HIGH SHEAR ROLLER CONE BITS
    Publication number: 20110023663
    Abstract: A method of manufacturing a roller cone drill bit may include forming a body of a single piece having an upper end and a lower end; machining at the lower end of the body at least two journals extending downward and radially outward from a central axis of the body; machining at least one of a ball passage, a hydraulic fluid passageway, a grease reservoir, and a lubricant passageway; and mounting roller cones on the at least two journals.
    Type: Application
    Filed: July 27, 2010
    Publication date: February 3, 2011
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Rahul Bijai, Zhehua Zhang, Vikrant Bhadbhade, Prabhakaran K. Centala