Mahavir Nagaraj

20100150824, Jun 17, 2010

Nov 20, 2009

12/623088

Jady Stevens - Bryan TX, US
Mahavir Nagaraj - Spring TX, US

B01J 15/00
B01J 19/00
C01B 3/02

4236481, 422164, 422129

A hydrogen generator () is provided which comprises (a) a chamber () having a hydrogen-containing material () disposed therein; (b) a first fluidic pathway () containing said chamber, said first fluidic pathway including an upstream portion which is upstream of said chamber, and a downstream portion which is downstream from said chamber; (c) a second fluidic pathway () which does not include said chamber, and which is adjoined to said first fluidic pathway downstream from said chamber; and (d) a reservoir () containing a liquid medium in which said hydrogen-containing material is soluble, said reservoir being in fluidic communication with at least one of said first and second fluidic pathways.

20100284636, Nov 11, 2010

May 6, 2009

12/436710

Mahavir Nagaraj - Spring TX, US
Jeremy Marcus - The Woodlands TX, US
Vincent Wayne Shotton - Broken Arrow OK, US
Sameer Bhoite - Conroe TX, US

Sandvik Mining and Construction - Shenandoah TX

F16C 19/10
E21B 10/22

384 92

A thrust bearing system for a roller cone rock bit includes at least one roller cone disposed on a leg having an air channel therethrough, the thrust bearing system including a primary thrust bearing surface on the leg configured to contact a corresponding primary bearing surface on the roller cone, wherein the primary thrust bearing surface on the leg includes at least one air circulation port in fluid communication with the air channel. The thrust bearing system further includes a secondary thrust bearing surface on the leg configured to contact a corresponding secondary bearing surface on the roller cone, wherein the secondary thrust bearing surface on the leg includes at least two air circulation ports located at specified locations in the secondary bearing surface and in communication with the air channel, and wherein a first circulation port is located in an upper half of the secondary thrust bearing surface and a second circulation port is located in a lower half of the secondary thrust bearing surface.

20110297454, Dec 8, 2011

Jun 3, 2011

13/152626

Yuelin Shen - Spring TX, US
Youhe Zhang - Spring TX, US
Yuri Burhan - Spring TX, US
Michael A. Siracki - The Woodlands TX, US
Mahavir Nagaraj - Spring TX, US
Bala Durairajan - Houston TX, US
Scott D. McDonough - The Woodlands TX, US
Peter Thomas Cariveau - Houston TX, US

SMITH INTERNATIONAL, INC. - Houston TX

E21B 10/36
B23P 15/28

175431, 761082

A drill bit having a bit body, a plurality of blades extending radially from the bit body, a plurality of cutter pockets disposed on the plurality of blades, at least one rolling cutter disposed in one of the cutter pockets, wherein each rolling cutter has a substrate, a cutting face, a cutting edge, and a side surface, and at least one blocker positioned adjacent to each of the at least one rolling cutters on a leading face of the blade, wherein each blocker has a retention end and an attachment end is disclosed. The retention end of each blocker is positioned adjacent to a portion of the cutting face of each rolling cutter to retain the rolling cutter in the cutter pocket and the attachment end is attached to a portion of the blade.

20120279709, Nov 8, 2012

May 6, 2011

13/102891

James Bain - Montrose, GB
Murray Fearn - Aberdeen Grampian, GB
Brian Cruickshank - The Woodlands TX, US
Charles Dewey - Houston TX, US
Mahavir Nagaraj - Spring TX, US

SMITH INTERNATIONAL, INC. - Houston TX

E21B 29/06
E21B 43/11
E21B 23/01
E21B 29/00

166298, 166206, 166382

A downhole locator apparatus, including a tool body having a central axis defined therethrough, and at least one locator lug radially expandable from the tool body, in which the at least one locator lug is configured to be received in an annular groove formed in an inner surface of a casing string, in which the at least one locator lug is configured to move radially between a retracted position and an expanded position.