Patents-Review.com
ClassID:

135236 ⎘

E21B10/43 - CPC Classification

Classification description:

Drill bits; Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements

Recent Application in this class:
#1
20260139550
2026-05-21

PRE-RAKED CUTTER ELEMENTS FOR FIXED CUTTER DRILL BITS AND DRILL BITS INCLUDING SAME

 #2
20260092501
2026-04-02

FIXED CUTTER DRILL BITS WITH TAILORED GAGE PADS FOR DIRECTIONAL DRILLING

 #3
20260078638
2026-03-19

WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES

 #4
20260055667
2026-02-26

FIXED CUTTER DRILL BITS INCLUDING CUTTER ELEMENTS WITH VARIABLE EXPOSURES

 #5
20260036002
2026-02-05

CUTTING ELEMENT AND METHODS OF MAKING SAME

 #6
20260036000
2026-02-05

FIXED CUTTER DRILL BITS INCLUDING CUTTER ELEMENTS WITH VARIABLE EXPOSURES

 #7
20260028883
2026-01-29

POLYCRYSTALLINE DIAMOND COMPACT BIT WITH LARGE-SIZED CUTTERS

 #8
20260022612
2026-01-22

SPLIT BLADE DRILL BIT

 #9
20260022611
2026-01-22

FIXED CUTTER DRILL BITS WITH MECHANICALLY ATTACHED CUTTER ELEMENT ASSEMBLIES

 #10
20260015912
2026-01-15

DRILLING APPARATUS WITH WINGS

 #11
20260009294
2026-01-08

Drill Bits Having Reinforced Face

 #12
20250223871
2025-07-10

MULTIPLE SELECTABLE PRESSURE DRIVEN DEVICES ON A DRILL BIT

 #13
20250146365
2025-05-08

TWO-STAGE DRILL BIT

 #14
20250137328
2025-05-01

EARTH-DRILLING TOOL

 #15
20250122764
2025-04-17

DRILL BIT, METHOD, AND SYSTEM

 #16
20250020027
2025-01-16

DEVICES, SYSTEMS, AND METHODS OF A CUTTING ELEMENT IN A BIT

 #17
20250012151
2025-01-09

Reamer Drill Bit Device

 #18
20250003293
2025-01-02

SPLIT BLADE DRILL BIT

 #19
20240410231
2024-12-12

MULTI-LAYER DRILL BIT APPARATUS AND SYSTEMS

 #20
20240410229
2024-12-12

Pulsed high-power drill bit and drilling tool

 #21
20240392629
2024-11-28

CASING DRILL BIT FACILITATING DRILL-OUT THEREOF, AND RELATED METHODS OF MANUFACTURE AND USE

 #22
20240376784
2024-11-14

WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES

 #23
20240342808
2024-10-17

ONE-PIECE CUTTING HEAD FOR A DRILL BIT

 #24
20240337162
2024-10-10

Depth of cut control responsive to borehole trajectory

 #25
20240247547
2024-07-25

Earth-boring tools including rotatable cutting elements, rotatable cutting elements, and associated components and methods

 #26
20240191579
2024-06-13

Shaped Cutter For Drill Bit With Point-Loaded Reinforcing Ribs

 #27
20240167342
2024-05-23

Drill bit cutter with shaped portion matched to kerf

 #28
20240110446
2024-04-04

Shaped cutter with ridges and multi-tapered cutting face

 #29
20240093556
2024-03-21

Cutting Elements with Ridged and Inclined Cutting Face

 #30
20240076941
2024-03-07

TOOL WITH A BASE ELEMENT AND STUDS PROVIDED THEREON AND USE OF SUCH TOOL FOR FORMING SECANT WALLS

 #31
20240052707
2024-02-15

DRILL BITS HAVING REINFORCED FACE

 #32
20240044214
2024-02-08

Cutting element assemblies and downhole tools comprising rotatable and removable cutting elements and related methods

 #33
20240011359
2024-01-11

Rasping shoe for non-rotational deployment of casing string

 #34
20230374866
2023-11-23

Fixed Cutter Drill Bits and Cutter Element with Secondary Cutting Edges for Same

 #35
20230287743
2023-09-14

IMPROVED DRILL BIT

 #36
20230250695
2023-08-10

EARTH-BORING TOOLS HAVING GAUGE CONFIGURATIONS FOR REDUCED CARBON FOOTPRINT, AND RELATED METHODS

 #37
20230222266
2023-07-13

EARTH-BORING TOOL STICK-SLIP PREDICTION SYSTEM AND RELATED METHODS

 #38
20230220733
2023-07-13

Cutting tool with pre-formed segment

 #39
20230191500
2023-06-22

Cutting tool and method for manufacturing same

 #40
20230175322
2023-06-08

Drill bit

 #41
20230167688
2023-06-01

Drill bit with offset counter-rotating cutters

 #42
20230160265
2023-05-25

Polycrystalline diamond compact cutter with plow feature

 #43
20230094335
2023-03-30

Eccentric reaming tool

 #44
20230083068
2023-03-16

METHOD AND ARTICLE OF MANUFACTURE OF CUTTER FOR PDC CUTTING SYSTEM

 #45
20230038632
2023-02-09

Fixed cutter drill bits and cutter element arrangements for same

 #46
20230015654
2023-01-19

Whipstock for use with a mill bit including varying material removal rates

 #47
20230015380
2023-01-19

Blade cap force modulation system for a drill bit

 #48
20230008467
2023-01-12

Mill bit including varying material removal rates

 #49
20220412169
2022-12-29

Hybrid bit including earth boring and percussion elements for drilling earth formations

 #50
20220403704
2022-12-22

Cutting elements for earth-boring tools and related earth-boring tools and methods

 #51
20220389769
2022-12-08

Mechanical attachment of cutting elements to an earth-boring bit

 #52
20220389767
2022-12-08

Systems and methods for drilling while driving foundation components

 #53
20220389766
2022-12-08

Modular earth boring tools having fixed blades and removable blade assemblies and related methods

 #54
20220374561
2022-11-24

DRILL BIT DESIGN METHOD BASED ON ROCK CRUSHING PRINCIPLE WITH LOCAL VARIABLE STRENGTH

 #55
20220374560
2022-11-24

Mechanics calculation method of drill bit tooth considering rock dynamic strength and mixed crushing mode

 #56
20220349259
2022-11-03

Drill assembly and method of using same

 #57
20220333444
2022-10-20

Multi-impeller passive-rotating-stirring-type rotary drilling rig for open caissons

 #58
20220297204
2022-09-22

One-piece cutting head for a drill bit

 #59
20220290502
2022-09-15

Drilling tip and drilling tool

 #60
20220275708
2022-09-01

Downhole wireline tool string

 #61
20220251905
2022-08-11

Cutting elements for earth-boring tools, methods of manufacturing earth-boring tools, and related earth-boring tools

 #62
20220228443
2022-07-21

A CUTTING ELEMENT AND METHODS OF MAKING SAME

 #63
20220220809
2022-07-14

Drill bit having a weight on bit reducing effect

 #64
20220162919
2022-05-26

Integrated piling tool with continuous drilling and circulation pouring

 #65
20220162914
2022-05-26

Blade cap force modulation system for a drill bit

 #66
20220121791
2022-04-21

Mitigation of cutting-induced stick-slip vibration during drilling with drill bits having depth of cut controllers

 #67
20220121790
2022-04-21

Mitigation of high frequency coupled vibrations in PDC bits using in-cone depth of cut controllers

 #68
20220120140
2022-04-21

Drill bits with variable cutter alignment

 #69
20220120139
2022-04-21

Earth-boring tool geometry and cutter placement and associated apparatus and methods

 #70
20220120138
2022-04-21

Reversible polycrystalline diamond compact bit

 #71
20220081975
2022-03-17

Drill bit inserts and drill bits including same

 #72
20220074270
2022-03-10

Shaped cutter arrangements

 #73
20220025713
2022-01-27

Enhanced drill bit profile for use in HDD

 #74
20220003047
2022-01-06

Fixed-cutter drill bits with reduced cutting arc length on innermost cutter

 #75
20220003046
2022-01-06

Cutting Elements with Ridged and Inclined Cutting Face

 #76
20210388678
2021-12-16

MATCHING OF PRIMARY CUTTER WITH BACKUP CUTTER

 #77
20210381317
2021-12-09

Inner cutter for drilling

 #78
20210332646
2021-10-28

Gouging cutter drill bit

 #79
20210331387
2021-10-28

ADDITIVE MANUFACTURE OF BARRIER SLEEVE INSERTS FOR SINTERED BITS

 #80
20210324726
2021-10-21

Systems and methods of controlling downhole behavior

 #81
20210246729
2021-08-12

Drill bit with joint function of induced unloading and abrasive jet and drilling method thereof

 #82
20210230944
2021-07-29

DRILL BITS FOR DRILLING WHILE DRIVING FOUNDATION COMPONENTS

 #83
20210180410
2021-06-17

Cutting elements with increased curvature cutting edges

 #84
20210180408
2021-06-17

DRILL BIT WITH AUXILIARY CHANNEL OPENINGS

 #85
20210172258
2021-06-10

Drill bit cutter elements and drill bits including same

 #86
20210164297
2021-06-03

Fixed cutter drill bits including nozzles with end and side exits

 #87
20210140244
2021-05-13

Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation

 #88
20210131263
2021-05-06

Dual synchronized measurement puck for downhole forces

 #89
20210131189
2021-05-06

Drill bit inserts and drill bits including same

 #90
20210108465
2021-04-15

Fixed cutting structure-composite cone drill bit

 #91
20210087887
2021-03-25

Underground reamer

 #92
20210079733
2021-03-18

Downhole drilling tool with depth of cut controller assemblies including activatable depth of cut controllers

 #93
20210071479
2021-03-11

Drill bit

 #94
20210010330
2021-01-14

HYBRID PDC BIT

 #95
20200378190
2020-12-03

Compliant rolling element retainer

 #96
20200362640
2020-11-19

DRILL BIT WITH CUTTING GAUGE PAD

 #97
20200362638
2020-11-19

A HYBRID BIT WITH ROLLER CONE HAVING INSERTS

 #98
20200318440
2020-10-08

Downhole drilling apparatus with drilling, steering, and reaming functions and methods of use

 #99
20200318439
2020-10-08

Rolling element with half lock-wedge lock

 #100
20200318438
2020-10-08

Rolling element with half lock

 #101
20200291726
2020-09-17

Drill bit with hybrid cutting arrangement

 #102
20200284098
2020-09-10

Three dimensional printed hardfacing on a downhole tool

 #103
20200277824
2020-09-03

Hybrid bit including earth-boring and percussion elements for drilling earth formations

 #104
20200277822
2020-09-03

Hole opener for horizontal directional drilling

 #105
20200270950
2020-08-27

Downhole drilling apparatus with rotatable cutting element

 #106
20200263522
2020-08-20

Dynamic design method for personalized drill bit for complex difficult-to-drill formation

 #107
20200263504
2020-08-20

Earth-boring tools having a gauge region configured for reduced bit walk and method of drilling with same

 #108
20200256132
2020-08-13

Earth-boring tools having a gauge insert configured for reduced bit walk and method of drilling with same

 #109
20200256131
2020-08-13

Reamer with cutting inserts for use in drilling operations

 #110
20200256130
2020-08-13

Reamer cutting insert for use in drilling operations

 #111
20200217142
2020-07-09

No blade bit

 #112
20200181984
2020-06-11

Methods of forming cutting elements

 #113
20200157890
2020-05-21

Superabrasive cutters for earth boring bits with multiple raised cutting surfaces

 #114
20200149351
2020-05-14

Earth-boring tools including movable formation-engaging structures

 #115
20200149350
2020-05-14

Drill bit

 #116
20200123858
2020-04-23

Cutting tool with pre-formed hardfacing segments

 #117
20200115963
2020-04-16

Fixed-cutter drill bits with track-set primary cutters and backup cutters

 #118
20200102792
2020-04-02

Prediction of cutting size and shape generated by a drill bit

 #119
20200087992
2020-03-19

CLAW SHAPED GOUGING CUTTER FOR FIXED CUTTER DRILL BIT

 #120
20200087990
2020-03-19

Earth boring tools having protrusions trailing cutting elements and related methods

 #121
20200080385
2020-03-12

Securing mechanism for a drilling element on a downhole drilling tool

 #122
20200072000
2020-03-05

Stepped downhole tools and methods of use

 #123
20200063499
2020-02-27

Crack mitigation for polycrystalline diamond cutters

 #124
20200056430
2020-02-20

Downhole tools with improved arrangements of cutters

 #125
20200048968
2020-02-13

Downhole tool with fixed cutters for removing rock

 #126
20200024904
2020-01-23

Fixed-cutter matrix bits with repairable gauge pads

 #127
20200011138
2020-01-09

Identification of weak zones in rotary drill bits during off-center rotation

 #128
20200011137
2020-01-09

Fixed cutter stabilizing drill bit

 #129
20200003014
2020-01-02

Fixed cutter completions bit

 #130
20200003013
2020-01-02

Rolling element assembly with bearings elements

 #131
20190383103
2019-12-19

Split threads for fixing accessories to a body

 #132
20190376345
2019-12-12

Earth-boring tools and related methods

 #133
20190360274
2019-11-28

Split roller cone and PDC composite drill bit

 #134
20190352971
2019-11-21

Hybrid drill bit and design method

 #135
20190323296
2019-10-24

Customized drilling tools

 #136
20190316420
2019-10-17

Earth boring tools with pockets having cutting elements disposed therein trailing rotationally leading faces of blades and related methods

 #137
20190284887
2019-09-19

Polycrystalline-diamond compact air bit

 #138
20190284877
2019-09-19

EARTH-BORING TOOLS AND METHODS OF FORMING EARTH-BORING TOOLS

 #139
20190271194
2019-09-05

Earth-boring tools having pockets trailing rotationally leading faces of blades and having cutting elements disposed therein and related methods

 #140
20190264510
2019-08-29

Earth-boring tools including movable formation-engaging structures

 #141
20190262961
2019-08-29

POLISHING SYSTEMS AND METHODS FOR POLISHING COMPLEX POLYCRYSTALLINE DIAMOND COMPACT GEOMETRIES

 #142
20190257157
2019-08-22

Rotary drill bit including multi-layer cutting elements

 #143
20190249498
2019-08-15

Rolling element assembly with a compliant retainer

 #144
20190226285
2019-07-25

Eccentric reaming tool

 #145
20190203539
2019-07-04

POLYCRYSTALLINE DIAMOND COMPACT

 #146
20190195024
2019-06-27

Cutting structure design with secondary cutter methodology

 #147
20190169939
2019-06-06

Cutting tables including ridge structures, related cutting elements, and earth-boring tools so equipped

 #148
20190169938
2019-06-06

Drilling tool

 #149
20190162029
2019-05-30

Drill bit

 #150
20190145189
2019-05-16

Earth-boring tools having multiple gage pad lengths and related methods

 #151
20190145182
2019-05-16

Cutting element assemblies and downhole tools comprising rotatable and removable cutting elements and related methods

 #152
20190128073
2019-05-02

Cutting element assemblies comprising rotatable cutting elements, earth-boring tools including such cutting element assemblies, and related methods

 #153
20190106943
2019-04-11

Drill bit having shaped impregnated shock studs and/or intermediate shaped cutter

 #154
20190106942
2019-04-11

Hybrid cutting structures with blade undulations

 #155
20190106941
2019-04-11

Thin-walled earth boring tools and methods of making the same

 #156
20190100968
2019-04-04

Earth-boring tools having a selectively tailored gauge region for reduced bit walk and method of drilling with same

 #157
20190100967
2019-04-04

Earth-boring tools and related methods

 #158
20190080034
2019-03-14

PDC bits with mixed cutter blades

 #159
20190078389
2019-03-14

Displacement elements in the manufacture of a drilling tool

 #160
20190078388
2019-03-14

Drill bits with internally tapered blade and trimming cutting elements

 #161
20190063163
2019-02-28

CUTTING ELEMENT ASSEMBLIES COMPRISING ROTATABLE CUTTING ELEMENTS INSERTABLE FROM THE BACK OF A BLADE

 #162
20190063162
2019-02-28

CUTTING ELEMENT ASSEMBLIES COMPRISING ROTATABLE CUTTING ELEMENTS, DOWNHOLE TOOLS COMPRISING SUCH CUTTING ELEMENT ASSEMBLIES, AND RELATED METHODS

 #163
20190063160
2019-02-28

Drill bit having shaped leading cutter and impregnated backup cutter

 #164
20190063159
2019-02-28

Earth boring tools having fixed blades and rotatable cutting structures and related methods

 #165
20190055789
2019-02-21

Energy-emitting bits and cutting elements

 #166
20190032418
2019-01-31

Cutting element assemblies and downhole tools comprising rotatable cutting elements and related methods

 #167
20190032415
2019-01-31

Cutting element assemblies comprising rotatable cutting elements

 #168
20190032414
2019-01-31

Earth-boring tools utilizing asymmetric exposure of shaped inserts, and related methods

 #169
20190032413
2019-01-31

Rotatable cutting elements including rolling-element bearings and related earth-boring tools and methods

 #170
20190032411
2019-01-31

EARTH-BORING TOOLS INCLUDING CUTTING ELEMENT PROFILES CONFIGURED TO REDUCE WORK RATES

 #171
20190017331
2019-01-17

Polycrystalline diamond constructions with protective element

 #172
20190017328
2019-01-17

Laterally oriented cutting structures

 #173
20190003262
2019-01-03

Fixed cutter drill bits including nozzles with end and side exits

 #174
20180371843
2018-12-27

Earth-boring tools including replaceable hardfacing pads and related methods

 #175
20180355671
2018-12-13

Blade geometry for fixed cutter bits

 #176
20180347283
2018-12-06

Earth-boring bit

 #177
20180334859
2018-11-22

Cutting elements including internal fluid flow pathways, and related earth-boring tools

 #178
20180328114
2018-11-15

Rotary drill bit and method for designing a rotary drill bit for directional and horizontal drilling

 #179
20180313161
2018-11-01

Earth-boring tools utilizing selective placement of shaped inserts, and related methods

 #180
20180291691
2018-10-11

Placement of non-planar cutting elements

 #181
20180291689
2018-10-11

HYBRID PLUG DRILL-OUT BIT

 #182
20180266185
2018-09-20

Earth-boring tools with reduced vibrational response and related methods

 #183
20180258706
2018-09-13

Downhole Drill Bit Incorporating Cutting Elements of Different Geometries

 #184
20180258704
2018-09-13

Hybrid bit including earth-boring and percussion elements for drilling earth formations

 #185
20180252045
2018-09-06

Rotational drill bits and drilling apparatuses including the same

 #186
20180230756
2018-08-16

Kerfing hybrid drill bit and other downhole cutting tools

 #187
20180230752
2018-08-16

Rotational drill bits and apparatuses including the same

 #188
20180216409
2018-08-02

Rotary percussive piloted rock drill bit

 #189
20180202235
2018-07-19

Impregnated drill bit including a planar blade profile along drill bit face

 #190
20180202233
2018-07-19

Hardfacing metal parts

 #191
20180202232
2018-07-19

Drill bit having shear cutters with reduced diameter substrate

 #192
20180202231
2018-07-19

Hybrid drill bit with counter-rotation cutters in center

 #193
20180195351
2018-07-12

Securing mechanism for a drilling element on a downhole drilling tool

 #194
20180195348
2018-07-12

Drill bit and method for casing while drilling

 #195
20180179825
2018-06-28

Rotary cutting tool

 #196
20180155989
2018-06-07

Drill bits and methods for manufacturing the same

 #197
20180087323
2018-03-29

Indexing drill bit

 #198
20180058147
2018-03-01

Reamer cutting insert for use in drilling operations

 #199
20180051520
2018-02-22

METHOD OF FORMING A HOLE IN A HARD GROUND STRUCTURE

 #200
20180030787
2018-02-01

Earth-boring tools, methods of forming earth-boring tools, and methods of forming a borehole in a subterranean formation

 #201
20180030786
2018-02-01

Adjustable depth of cut control for a downhole drilling tool

 #202
20180016849
2018-01-18

Rotary claw drill bit

 #203
20180010393
2018-01-11

Localized binder formation in a drilling tool

 #204
20180002986
2018-01-04

Customized drilling tools

 #205
20170362898
2017-12-21

Earth-boring tools including movable formation-engaging structures and related methods

 #206
20170342815
2017-11-30

Visualization of look-ahead sensor data for wellbore drilling tools

 #207
20170342778
2017-11-30

Downhole tool surfaces configured to reduce drag forces and erosion during exposure to fluid flow

 #208
20170335632
2017-11-23

Rotary percussive piloted rock drill bit

 #209
20170314333
2017-11-02

Downhole drill bit incorporating cutting elements of different geometries

 #210
20170275951
2017-09-28

Real-time variable depth of cut control for a downhole drilling tool

 #211
20170241206
2017-08-24

SONDE HOUSING AND BIT BODY ARRANGEMENT FOR HORIZONTAL DIRECTIONAL DRILLING

 #212
20170234078
2017-08-17

Structures for drilling a subterranean formation

 #213
20170211357
2017-07-27

Shape-based modeling of interactions between downhole drilling tools and rock formation

 #214
20170211336
2017-07-27

Earth boring tool with improved arrangements of cutter side rakes

 #215
20170211335
2017-07-27

Reamer

 #216
20170211334
2017-07-27

Reamer

 #217
20170211332
2017-07-27

Reamer

 #218
20170204673
2017-07-20

Cutting tools with rotating elements

 #219
20170175451
2017-06-22

HOLE OPENER AND METHOD FOR DRILLING

 #220
20170159370
2017-06-08

Earth-boring tools including selectively actuatable cutting elements and related methods

 #221
20170154149
2017-06-01

Multilevel force balanced downhole drilling tools and methods

 #222
20170122037
2017-05-04

Apparatus and Method of Manufacture for a Mechanical Radial Drilling Cutting Head

 #223
20170096859
2017-04-06

Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

 #224
20170081922
2017-03-23

Methods and drill bit designs for preventing the substrate of a cutting element from contacting a formation

 #225
20170081921
2017-03-23

Earth-boring tool having back up cutting elements with flat surfaces formed therein and related methods

 #226
20170074045
2017-03-16

Identification of weak zones in rotary drill bits during off-center rotation

 #227
20170058613
2017-03-02

Modeling of interactions between formation and downhole drilling tool with wearflat

 #228
20170058611
2017-03-02

Cutting structure with blade having multiple cutting edges

 #229
20170037518
2017-02-09

Methods of forming and methods of repairing earth-boring tools

 #230
20170022763
2017-01-26

Drill bits and tools for subterranean drilling including rubbing zones and related methods

 #231
20160376847
2016-12-29

Cutting elements for downhole cutting tools

 #232
20160376846
2016-12-29

Multilevel force balanced downhole drilling tools including cutting elements in a track-set configuration

 #233
20160376845
2016-12-29

Multilevel force balanced downhole drilling tools including cutting elements in a step profile configuration

 #234
20160356093
2016-12-08

Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

 #235
20160326808
2016-11-10

Continuous live tracking system for placement of cutting elements

 #236
20160320267
2016-11-03

Apparatus and method for testing drilling efficiency of drill bit

 #237
20160290056
2016-10-06

Rolling cutter assemblies

 #238
20160290055
2016-10-06

Cutting structure design with new backup cutter methodology

 #239
20160290051
2016-10-06

SOIL DRILL BIT ASSEMBLY OR BORING RIG

 #240
20160281437
2016-09-29

Rotary drill bit including multi-layer cutting elements

 #241
20160273274
2016-09-22

Controlled blade flex for fixed cutter drill bits

 #242
20160273273
2016-09-22

Rolling element assemblies

 #243
20160273272
2016-09-22

DRILL BIT

 #244
20160265280
2016-09-15

Reamer for use in drilling operations

 #245
20160258237
2016-09-08

Mill blade torque support

 #246
20160258224
2016-09-08

Earth-boring tools including formation-engaging structures having retention features and related methods

 #247
20160230472
2016-08-11

Drill bits and earth-boring tools including shaped cutting elements and associated methods

 #248
20160215568
2016-07-28

Drilling tool including multi-step depth of cut control

 #249
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2016-07-07

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2016-06-30

Drill bit having shear cutters and gouging cutters

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2016-06-23

Drill bits with core feature for directional drilling applications and methods of use thereof

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20160168918
2016-06-16

Methods of repairing cutting element pockets in earth-boring tools with depth-of-cut control features

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20160168917
2016-06-16

CUTTING ELEMENT WITH VARIED SUBSTRATE LENGTH

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2016-06-16

Gauge for bent housing motor drill bit

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2016-06-09

Ground working tool with replaceable teeth

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2016-06-02

Rolling element assemblies

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20160123087
2016-05-05

Rotational drill bits and drilling apparatuses including the same

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20160090805
2016-03-31

Balancing load on milling cutting elements

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20160084010
2016-03-24

GOUGING CUTTER STRUCTURE AND DRILL BIT MADE THEREWITH

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20160069140
2016-03-10

Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements

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20160060963
2016-03-03

Cutting element backing support

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2016-03-03

Hybrid cutting structures with blade undulations

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2016-02-04

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2016-01-21

Hole opener and method for drilling

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2016-01-14

Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methods

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2016-01-07

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2015-12-31

Vertical-screw-auger conveyer feeder

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2015-12-24

Drill bit

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2015-12-24

Composite drill bit

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2015-12-17

Drill bit design

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2015-12-17

PDC bits with mixed cutter blades

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2015-12-10

Pointed working ends on a bit

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2015-12-03

Drill bit

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2015-11-12

Formation-engaging structures having retention features, earth-boring tools including such structures, and related methods

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2015-10-29

Drill bit including button array having different radii extending from center of head section

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2015-10-22

Methods of forming earth-boring tools including blade frame segments

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2015-10-15

Ultra-high ROP blade enhancement

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2015-10-08

BIT WITH CO-RADIAL CUTTING PROFILE AND CUTTING ELEMENT

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2015-10-08

Rupture Cutters with High Penetration Utility

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2015-10-01

Specialized bit for challenging drilling environments

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2015-10-01

Cutter head for removing material from a water bed

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2015-09-10

Downhole drill bit

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2015-08-20

Downhole Mills and Improved Cutting Structures

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2015-08-20

Drill bit

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2015-08-20

Drill bit apparatus to control torque on bit

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2015-07-16

Improving drill bit stability using track-set depth of cut control elements

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20150197990
2015-07-16

Drill bits and drilling apparatuses including the same

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20150184460
2015-07-02

Systems for forming lateral wellbores

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20150167395
2015-06-18

SYSTEM AND METHOD FOR IMPROVING STABILITY OF DRILLING TOOLS

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20150159440
2015-06-11

Matrix fixed cutter drill bits and methods for manufacturing same

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20150152689
2015-06-04

Rotary drill bits with back-up cutting elements to optimize bit life

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20150136494
2015-05-21

Drill bits having flushing and systems for using same

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20150136493
2015-05-21

Drill bits having blind-hole flushing and systems for using same

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20150129320
2015-05-14

Methods of repairing cutting element pockets in earth-boring tools with depth-of-cut control features

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20150122551
2015-05-07

Rotary drill bit and method for designing a rotary drill bit for directional and horizontal drilling

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20150090502
2015-04-02

SHEAR CLAW BIT

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2015-03-19

Multilevel force balanced downhole drilling tool

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2015-03-19

Cutter profile for a fixed cutter drill bit

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2015-03-12

Thermally stable polycrystalline diamond and methods of making the same

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2015-03-12

Orientation of cutting element at first radial position to cut core