Durairajan; Bala

Patent Applications and Registrations

Patent applications and USPTO patent grants for Durairajan; Bala.The latest application filed is for "cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements".

Company Profile

4.36.37

Durairajan; Bala - Sugar Land TX
Durairajan; Bala - Houston TX US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20220112773 - Chen; Chen ; et al.	2022-04-14
Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements Grant 11,215,012 - Chen , et al. January 4, 2	2022-01-04
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20190264511 - Chen; Chen ; et al.	2019-08-29
Cutting structures for fixed cutter drill bit and other downhole cutting tools Grant 10,309,156 - Azar , et al.	2019-06-04
Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements Grant 10,287,825 - Chen , et al. May 14, 2	2019-05-14
Cutting structures for fixed cutter drill bit and other downhole cutting tools Grant 10,030,452 - Azar , et al. July 24, 2	2018-07-24
Feature to eliminate shale packing/shale evacuation channel Grant 9,617,794 - Durairajan , et al. April 11, 2	2017-04-11
Cutting structures for fixed cutter drill bit and other downhole cutting tools Grant 9,404,312 - Azar , et al. August 2, 2	2016-08-02
Kerfing hybrid drill bit and other downhole cutting tools Grant 9,366,090 - Azar , et al. June 14, 2	2016-06-14
Stabilizing members for fixed cutter drill bit Grant 9,145,740 - Durairajan , et al. September 29, 2	2015-09-29
Cutting Elements Having Non-planar Surfaces And Downhole Cutting Tools Using Such Cutting Elements App 20150259988 - CHEN; Chen ; et al.	2015-09-17
Impregnated drill bit Grant 9,103,170 - Durairajan , et al. August 11, 2	2015-08-11
Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied Grant 9,016,407 - Durairajan , et al. April 28, 2	2015-04-28
Rolling cutter assembled directly to the bit pockets Grant 8,991,523 - Shen , et al. March 31, 2	2015-03-31
Downhole Cutting Tools Having Rolling Cutters With Non-planar Cutting Surfaces App 20150047910 - Chen; Chen ; et al.	2015-02-19
Cutters For Fixed Cutter Bits App 20150047913 - Durairajan; Bala ; et al.	2015-02-19
Cutting Structures For Fixed Cutter Drill Bit And Other Downhole Cutting Tools App 20140367178 - Azar; Michael G. ; et al.	2014-12-18
Cutting structures for fixed cutter drill bit and other downhole cutting tools Grant 8,887,837 - Azar , et al. November 18, 2	2014-11-18
Drag bit with utility blades Grant 8,869,919 - Shen , et al. October 28, 2	2014-10-28
Cutting Structures For Fixed Cutter Drill Bit And Other Downhole Cutting Tools App 20140262544 - Azar; Michael G. ; et al.	2014-09-18
Cutting Structures For Fixed Cutter Drill Bit And Other Downhole Cutting Tools App 20140262545 - Azar; Michael G. ; et al.	2014-09-18
Cutters for fixed cutter bits Grant 8,833,492 - Durairajan , et al. September 16, 2	2014-09-16
Stabilizing members for fixed cutter drill bit Grant 8,783,386 - Durairajan , et al. July 22, 2	2014-07-22
Cutter geometry for high ROP applications Grant 8,783,387 - Durairajan , et al. July 22, 2	2014-07-22
Pdc Bits Having Rolling Cutters And Using Mixed Chamfers App 20140124270 - Durairajan; Bala ; et al.	2014-05-08
Stabilizing Members For Fixed Cutter Drill Bit App 20140102798 - Durairajan; Bala ; et al.	2014-04-17
Drill bit having enhanced stabilization features and method of use thereof Grant 8,689,908 - Durairajan , et al. April 8, 2	2014-04-08
Pdc Drill Bit With Cutter Design Optimized With Dynamic Centerline Analysis And Having Dynamic Centerline Trajectory App 20140095134 - Cariveau; Peter Thomas ; et al.	2014-04-03
Feature To Eliminate Shale Packing/shale Evacuation Channel App 20130341101 - Durairajan; Bala ; et al.	2013-12-26
Cutting Structures For Fixed Cutter Drill Bit And Other Downhole Cutting Tools App 20130277120 - Azar; Michael G. ; et al.	2013-10-24
Kerfing Hybrid Drill Bit And Other Downhole Cutting Tools App 20130220706 - Azar; Michael ; et al.	2013-08-29
Cutting Structures For Fixed Cutter Drill Bit And Other Downhole Cutting Tools App 20120234610 - Azar; Michael G. ; et al.	2012-09-20
Kerfing Hybrid Drill Bit And Other Downhole Cutting Tools App 20120205163 - Azar; Michael G. ; et al.	2012-08-16
Drill Bit Having Enhanced Stabilization Features and Method of Use Thereof App 20120186879 - Durairajan; Bala ; et al.	2012-07-26
Drill bit having enhanced stabilization features and method of use thereof Grant 8,127,863 - Durairajan , et al. March 6, 2	2012-03-06
PDC drill bit using optimized side rake angle Grant 8,112,258 - Durairajan , et al. February 7, 2	2012-02-07
Fixed cutter bit with backup cutter elements on secondary blades Grant 8,100,202 - Durairajan , et al. January 24, 2	2012-01-24
Rolling Cutter Assembled Directly To The Bit Pockets App 20110297454 - Shen; Yuelin ; et al.	2011-12-08
Drill bit with asymmetric gage pad configuration Grant 8,061,453 - Cariveau , et al. November 22, 2	2011-11-22
Drag Bit With Utility Blades App 20110253457 - Shen; Yuelin ; et al.	2011-10-20
Stabilizing Members For Fixed Cutter Drill Bit App 20110000714 - Durairajan; Bala ; et al.	2011-01-06
PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time Grant 7,831,419 - Cariveau , et al. November 9, 2	2010-11-09
Fixed cutter bit with backup cutter elements on primary blades Grant 7,703,557 - Durairajan , et al. April 27, 2	2010-04-27
Cutters For Fixed Cutter Bits App 20100084198 - Durairajan; Bala ; et al.	2010-04-08
Cutter Geometry For High Rop Applications App 20100059287 - Durairajan; Bala ; et al.	2010-03-11
Pdc Bit Having Split Blades App 20100018780 - Johnson; Geoffrey M. ; et al.	2010-01-28
Impregnated Drill Bit App 20090283334 - Durairajan; Bala ; et al.	2009-11-19
Fixed Cutter Bit With Backup Cutter Elements on Secondary Blades App 20090266619 - Durairajan; Bala ; et al.	2009-10-29
Drill Bit Having Enhanced Stabilization Features App 20090145663 - Durairajan; Bala ; et al.	2009-06-11
Drill Bit Cutting Structure and Methods to Maximize Depth-0f-Cut For Weight on Bit Applied App 20090145669 - Durairajan; Bala ; et al.	2009-06-11
Pdc Drill Bit Using Optimized Side Rake Angle App 20090030658 - Durairajan; Bala ; et al.	2009-01-29
Fixed Cutter Bit With Backup Cutter Elements on Primary Blades App 20080302575 - Durairajan; Bala ; et al.	2008-12-11
PDC drill bit using optimized side rake angle Grant 7,441,612 - Durairajan , et al. October 28, 2	2008-10-28
Fixed-head bit with stabilizing features Grant 7,308,957 - Cariveau , et al. December 18, 2	2007-12-18
Drill Bit With Assymetric Gage Pad Configuration App 20070272445 - Cariveau; Peter T. ; et al.	2007-11-29
Formation prioritization optimization App 20070093996 - Cariveau; Peter Thomas ; et al.	2007-04-26
PDC drill bit using optimized side rake angle App 20060180356 - Durairajan; Bala ; et al.	2006-08-17
PDC drill bit using optimized side rake distribution that minimized vibration and deviation App 20060162968 - Durairajan; Bala ; et al.	2006-07-27
PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time App 20060167669 - Cariveau; Peter Thomas ; et al.	2006-07-27
PDC drill bit with cutter design optimized with dynamic centerline analysis and having dynamic center line trajectory App 20060167668 - Cariveau; Peter Thomas ; et al.	2006-07-27
Fixed-head bit with stabilizing features App 20060157279 - Cariveau; Peter Thomas ; et al.	2006-07-20