LexDanaLexDanabeta
Inventor

Bala Durairajan

Inventor
Houston, TX, US

Overview

24→
Patents
2007–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling86%
G06FElectric digital data processing11%
B23PMetal-working not otherwise provided for4%
PatentTitleYear
10,309,156Cutting structures for fixed cutter drill bit and other downhole cutting tools201910,287,825Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements201910,030,452Cutting structures for fixed cutter drill bit and other downhole cutting tools20189,617,794'Feature to eliminate shale packing/shale evacuation channel'20179,404,312'Cutting structures for fixed cutter drill bit and other downhole cutting tools'20169,366,090'Kerfing hybrid drill bit and other downhole cutting tools'20169,145,740'Stabilizing members for fixed cutter drill bit'20159,103,170'Impregnated drill bit'20159,016,407'Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied'20158,991,523'Rolling cutter assembled directly to the bit pockets'20158,887,837'Cutting structures for fixed cutter drill bit and other downhole cutting tools'20148,869,919'Drag bit with utility blades'20148,833,492'Cutters for fixed cutter bits'20148,783,386'Stabilizing members for fixed cutter drill bit'20148,783,387'Cutter geometry for high ROP applications'20148,689,908'Drill bit having enhanced stabilization features and method of use thereof'20148,127,863'Drill bit having enhanced stabilization features and method of use thereof'20128,112,258'PDC drill bit using optimized side rake angle'20128,100,202'Fixed cutter bit with backup cutter elements on secondary blades'20128,061,453'Drill bit with asymmetric gage pad configuration'20117,831,419'PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time'20107,703,557'Fixed cutter bit with backup cutter elements on primary blades'20107,441,612'PDC drill bit using optimized side rake angle'20087,308,957'Fixed-head bit with stabilizing features'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2019Patents assigned to SMITH INTERNATIONAL (24)· patent assignee history
2007–2017Based in Houston, TX, US· patent location history
2011–2017Patents assigned to DURAIRAJAN BALA (15)· patent assignee history
2012–2015Patents assigned to HOFFMASTER CARL M (6)· patent assignee history
2012–2016Patents assigned to AZAR MICHAEL G (4)· patent assignee history
2012–2014Patents assigned to ARTEAGA ROLANDO DESCARPONTRIEZ (2)· patent assignee history
2015–2019Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH INTERNATIONAL242007–2019
DURAIRAJAN BALAself152011–2017
HOFFMASTER CARL M62012–2015
AZAR MICHAEL G42012–2016
ARTEAGA ROLANDO DESCARPONTRIEZ22012–2014
Locations
LocationPatentsSpan
Houston, Texas, US202007–2017
Sugar Land, Texas, US42015–2019