with cutting edges facing in opposite axial directions

Industry

CPC
E21B10/003

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/003with cutting edges facing in opposite axial directions

Industries

Patents Grantslast 30 patents

Information Patent Grant
Reversible polycrystalline diamond compact bit
- Patent number 11,821,263
- Issue date Nov 21, 2023
- Saudi Arabian Oil Company
- Jianhui Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anti-collapse jet grouting drill bit with bi-directional rib wings,...
- Patent number 11,085,244
- Issue date Aug 10, 2021
- Shandong University
- Shucai Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bi-directional drilling systems and methods
- Patent number 10,689,910
- Issue date Jun 23, 2020
- Schlumberger Technology Corporation
- Siamak Dadkhah
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller cutting element construction
- Patent number 10,364,612
- Issue date Jul 30, 2019
- Smith International, Inc.
- Feng Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bit for directional drilling and method of manufacturing
- Patent number 10,246,943
- Issue date Apr 2, 2019
- Astech Alloy Steel Technologies, Inc.
- Alan R Bukach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual motor systems and non-rotating sensors for use in developing w...
- Patent number 9,528,322
- Issue date Dec 27, 2016
- Shell Oil Company
- Duncan Charles MacDonald
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Vertical-screw-auger conveyer feeder
- Patent number 9,334,693
- Issue date May 10, 2016
- Otis Walton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit with cutting insert for engaging earth strata
- Patent number 9,085,947
- Issue date Jul 21, 2015
- Kennametal Inc.
- Stephen M. George
- E21 - EARTH DRILLING MINING
Information Patent Grant
Heated fluid flow in mines and tunnels used in heating subsurface h...
- Patent number 8,752,904
- Issue date Jun 17, 2014
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Mines and tunnels for use in treating subsurface hydrocarbon contai...
- Patent number 8,636,323
- Issue date Jan 28, 2014
- Shell Oil Company
- Robert George Prince-Wright
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrocarbon production from mines and tunnels used in treating subs...
- Patent number 8,562,078
- Issue date Oct 22, 2013
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Heater connections in mines and tunnels for use in treating subsurf...
- Patent number 8,177,305
- Issue date May 15, 2012
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Electrical current flow between tunnels for use in heating subsurfa...
- Patent number 8,172,335
- Issue date May 8, 2012
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Using tunnels for treating subsurface hydrocarbon containing format...
- Patent number 8,162,405
- Issue date Apr 24, 2012
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dual motor systems and non-rotating sensors for use in developing w...
- Patent number 8,151,907
- Issue date Apr 10, 2012
- Shell Oil Company
- Duncan Charles MacDonald
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Rotary drill bits and drilling tools having protective structures o...
- Patent number 8,096,373
- Issue date Jan 17, 2012
- Baker Hughes Incorporated
- Suresh G. Patel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Passive and active up-drill features on fixed cutter earth-boring t...
- Patent number 8,047,309
- Issue date Nov 1, 2011
- Baker Hughes Incorporated
- James L. Overstreet
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir for sealed earth boring drill bit
- Patent number 6,619,412
- Issue date Sep 16, 2003
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock drill bit having retrac teeth and method for its manufacturing
- Patent number 6,494,275
- Issue date Dec 17, 2002
- Sandvik AB
- Bengt Åsberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir for sealed bearing earth boring drill...
- Patent number 6,296,067
- Issue date Oct 2, 2001
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir with pressure control for sealed bear...
- Patent number 6,206,110
- Issue date Mar 27, 2001
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock drill bit with back-reaming protection
- Patent number 6,116,357
- Issue date Sep 12, 2000
- Smith International, Inc.
- Robert Wagoner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 6,092,613
- Issue date Jul 25, 2000
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 6,089,336
- Issue date Jul 18, 2000
- Camco International (UK) Limited
- Alex Nexton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Invertible auger
- Patent number 6,089,334
- Issue date Jul 18, 2000
- Clark Equipment Company
- Verne C. Watts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,992,547
- Issue date Nov 30, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,967,246
- Issue date Oct 19, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,904,213
- Issue date May 18, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stabilizer-reamer for drilling an oil well
- Patent number 5,788,000
- Issue date Aug 4, 1998
- Elf Aquitaine Production
- Vincent Maury
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for reverse drilling
- Patent number 5,743,345
- Issue date Apr 28, 1998
- Ingersoll-Rand Company
- Charles D. Hollar
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CUTTING A WELLBORE TUBULAR
- Publication number 20240368954
- Publication date Nov 7, 2024
- Saudi Arabian Oil Company
- Amin Taha Ali
- E21 - EARTH DRILLING MINING
Information Patent Application
REVERSIBLE POLYCRYSTALLINE DIAMOND COMPACT BIT
- Publication number 20220120138
- Publication date Apr 21, 2022
- Saudi Arabian Oil Company
- Jianhui Xu
- E21 - EARTH DRILLING MINING
Information Patent Application
COLLAPSIBLE MULTI-SIZED DRILL BIT AND METHOD OF USE
- Publication number 20180266186
- Publication date Sep 20, 2018
- Dennis Burca
- E21 - EARTH DRILLING MINING
Information Patent Application
BI-DIRECTIONAL DRILLING SYSTEMS AND METHODS
- Publication number 20180002985
- Publication date Jan 4, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Siamak Dadkhah
- E21 - EARTH DRILLING MINING
Information Patent Application
ROLLER CUTTING ELEMENT CONSTRUCTION
- Publication number 20170335633
- Publication date Nov 23, 2017
- Smith International, Inc.
- Feng Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
VERTICAL-SCREW-AUGER CONVEYER FEEDER
- Publication number 20150376953
- Publication date Dec 31, 2015
- Otis Walton
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING ELEMENTS FOR CASING MILLING
- Publication number 20150167394
- Publication date Jun 18, 2015
- Smith International, Inc.
- Sike Xia
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTARY DRILL BIT WITH CUTTING INSERT FOR ENGAGING EARTH STRATA
- Publication number 20140318870
- Publication date Oct 30, 2014
- Kennametal Inc.
- Stephen M. George
- E21 - EARTH DRILLING MINING
Information Patent Application
MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAI...
- Publication number 20100071903
- Publication date Mar 25, 2010
- Shell Oil Company
- Robert George Prince-Wright
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBS...
- Publication number 20100071904
- Publication date Mar 25, 2010
- Shell Oil Company
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ROTARY DRILL BITS AND DRILLING TOOLS HAVING PROTECTIVE STRUCTURES O...
- Publication number 20090308663
- Publication date Dec 17, 2009
- Suresh G. Patel
- E21 - EARTH DRILLING MINING
Information Patent Application
HEATER CONNECTIONS IN MINES AND TUNNELS FOR USE IN TREATING SUBSURF...
- Publication number 20090272536
- Publication date Nov 5, 2009
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
USING TUNNELS FOR TREATING SUBSURFACE HYDROCARBON CONTAINING FORMAT...
- Publication number 20090272535
- Publication date Nov 5, 2009
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HEATED FLUID FLOW IN MINES AND TUNNELS USED IN HEATING SUBSURFACE H...
- Publication number 20090272533
- Publication date Nov 5, 2009
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
DUAL MOTOR SYSTEMS AND NON-ROTATING SENSORS FOR USE IN DEVELOPING W...
- Publication number 20090272578
- Publication date Nov 5, 2009
- Duncan Charles MacDonald
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ELECTRICAL CURRENT FLOW BETWEEN TUNNELS FOR USE IN HEATING SUBSURFA...
- Publication number 20090272526
- Publication date Nov 5, 2009
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBS...
- Publication number 20090260824
- Publication date Oct 22, 2009
- David Booth Burns
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAI...
- Publication number 20090260823
- Publication date Oct 22, 2009
- Robert George Prince-Wright
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PASSIVE AND ACTIVE UP-DRILL FEATURES ON FIXED CUTTER EARTH-BORING T...
- Publication number 20080251297
- Publication date Oct 16, 2008
- James L. Overstreet
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock drill bit and method for the manufacture thereof
- Publication number 20040065482
- Publication date Apr 8, 2004
- SANDVIK AB
- Kenneth Larsson
- E21 - EARTH DRILLING MINING
Information Patent Application
Protected lubricant reservoir for sealed earth boring drill bit
- Publication number 20010050187
- Publication date Dec 13, 2001
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock drill bit having retrac teeth and method for its manufacturing
- Publication number 20010018990
- Publication date Sep 6, 2001
- Bengt Asberg
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill bit
- Publication number 20010003318
- Publication date Jun 14, 2001
- OY ROBIT ROCKTOOLS LTD.
- Teijo Juhana Hulkkonen
- E21 - EARTH DRILLING MINING

with cutting edges facing in opposite axial directions

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Reversible polycrystalline diamond compact bit

Anti-collapse jet grouting drill bit with bi-directional rib wings,...

Bi-directional drilling systems and methods

Roller cutting element construction

Drill bit for directional drilling and method of manufacturing

Dual motor systems and non-rotating sensors for use in developing w...

Vertical-screw-auger conveyer feeder

Rotary drill bit with cutting insert for engaging earth strata

Heated fluid flow in mines and tunnels used in heating subsurface h...

Mines and tunnels for use in treating subsurface hydrocarbon contai...

Hydrocarbon production from mines and tunnels used in treating subs...

Heater connections in mines and tunnels for use in treating subsurf...

Electrical current flow between tunnels for use in heating subsurfa...

Using tunnels for treating subsurface hydrocarbon containing format...

Dual motor systems and non-rotating sensors for use in developing w...

Rotary drill bits and drilling tools having protective structures o...

Passive and active up-drill features on fixed cutter earth-boring t...

Protected lubricant reservoir for sealed earth boring drill bit

Rock drill bit having retrac teeth and method for its manufacturing

Protected lubricant reservoir for sealed bearing earth boring drill...

Protected lubricant reservoir with pressure control for sealed bear...

Rock drill bit with back-reaming protection

Rotary drill bits

Rotary drill bits

Invertible auger

Rotary drill bits

Rotary drill bits

Rotary drill bits

Stabilizer-reamer for drilling an oil well

Drill bit for reverse drilling

Patents Applicationslast 30 patents

CUTTING A WELLBORE TUBULAR

REVERSIBLE POLYCRYSTALLINE DIAMOND COMPACT BIT

COLLAPSIBLE MULTI-SIZED DRILL BIT AND METHOD OF USE

BI-DIRECTIONAL DRILLING SYSTEMS AND METHODS

ROLLER CUTTING ELEMENT CONSTRUCTION

VERTICAL-SCREW-AUGER CONVEYER FEEDER

CUTTING ELEMENTS FOR CASING MILLING

ROTARY DRILL BIT WITH CUTTING INSERT FOR ENGAGING EARTH STRATA

MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAI...

HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBS...

ROTARY DRILL BITS AND DRILLING TOOLS HAVING PROTECTIVE STRUCTURES O...

HEATER CONNECTIONS IN MINES AND TUNNELS FOR USE IN TREATING SUBSURF...

USING TUNNELS FOR TREATING SUBSURFACE HYDROCARBON CONTAINING FORMAT...

HEATED FLUID FLOW IN MINES AND TUNNELS USED IN HEATING SUBSURFACE H...

DUAL MOTOR SYSTEMS AND NON-ROTATING SENSORS FOR USE IN DEVELOPING W...

ELECTRICAL CURRENT FLOW BETWEEN TUNNELS FOR USE IN HEATING SUBSURFA...

HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBS...

MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAI...

PASSIVE AND ACTIVE UP-DRILL FEATURES ON FIXED CUTTER EARTH-BORING T...

Rock drill bit and method for the manufacture thereof

Protected lubricant reservoir for sealed earth boring drill bit

Rock drill bit having retrac teeth and method for its manufacturing

Drill bit