Patents by Inventor Andrew Grebe

Andrew Grebe 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).

  • Flow control through thrust bearing assembly
    Patent number: 8961019
    Abstract: A bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts, and a lip disposed adjacent the second set of inserts. Also, a bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts and at least one groove disposed axially above at least one of the inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: February 24, 2015
    Assignee: Smith International, Inc.
    Inventors: Parag Konde, Srinivas Likki, James Layne Larsen, Dwayne P. Terracina, 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
  • FLOW CONTROL THROUGH THRUST BEARING ASSEMBLY
    Publication number: 20120288226
    Abstract: A bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts, and a lip disposed adjacent the second set of inserts. Also, a bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts and at least one groove disposed axially above at least one of the inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts.
    Type: Application
    Filed: May 10, 2011
    Publication date: November 15, 2012
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Parag Konde, Srinivas Likki, James Layne Larsen, Dwayne P. Terracina, Andrew Grebe