with leading portion

Industry

CPC
E21B10/40

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/40with leading portion

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid bit including earth boring and percussion elements for drill...
- Patent number 11,982,129
- Issue date May 14, 2024
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool
- Patent number 11,859,459
- Issue date Jan 2, 2024
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling head for a percussive displacement ground drilling device...
- Patent number 11,767,716
- Issue date Sep 26, 2023
- TRACTO-TECHNIK GmbH & Co. KG
- Franz-Josef Püttmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool
- Patent number 11,530,589
- Issue date Dec 20, 2022
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hybrid bit including earth-boring and percussion elements for drill...
- Patent number 11,421,483
- Issue date Aug 23, 2022
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boring apparatus and method
- Patent number 11,136,828
- Issue date Oct 5, 2021
- Ashmin Holding LLC
- Gunther H H von Gynz-Rekowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High torque constant velocity joint for downhole drilling power tra...
- Patent number 10,975,623
- Issue date Apr 13, 2021
- Halliburton Energy Services, Inc.
- Sandip Sonar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling tool
- Patent number 10,851,593
- Issue date Dec 1, 2020
- Mitsubishi Materials Corporation
- Kazuyoshi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hybrid bit including earth-boring and percussion elements for drill...
- Patent number 10,655,396
- Issue date May 19, 2020
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boring apparatus and method
- Patent number 10,648,238
- Issue date May 12, 2020
- Ashmin Holding LLC
- Gunther H H von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Percussive rock drill bit with flushing grooves
- Patent number 10,626,680
- Issue date Apr 21, 2020
- Sandvik Intellectual Property AB
- Andreas Rindeskar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for pulling material through pilot-channel
- Patent number 10,385,621
- Issue date Aug 20, 2019
- Cary Cooper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary percussive piloted rock drill bit
- Patent number 10,385,620
- Issue date Aug 20, 2019
- Ajax Tool Works, Inc.
- Michael T Jones
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hammering and rotatable drill bit
- Patent number 10,240,397
- Issue date Mar 26, 2019
- MINCON NORDIC OY
- Jukka Ahonen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary percussive piloted rock drill bit
- Patent number 10,047,564
- Issue date Aug 14, 2018
- Ajax Tool Works, Inc.
- Michael T Jones
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boring apparatus and method
- Patent number 10,017,994
- Issue date Jul 10, 2018
- Ashmin Holding LLC
- Gunther H H von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for rock drilling tool, and rock drilling tool
- Patent number 9,797,202
- Issue date Oct 24, 2017
- Sandvik Intellectual Property AB
- Andreas Rindeskar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly for a directional percussion boring system
- Patent number 9,771,759
- Issue date Sep 26, 2017
- Cary Cooper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for plastic pipe drilling
- Patent number 9,611,701
- Issue date Apr 4, 2017
- OY ATLAS COPCO ROTEX
- Kai Gylling
- E21 - EARTH DRILLING MINING
Information Patent Grant
Excavating tool
- Patent number 9,428,964
- Issue date Aug 30, 2016
- Mitsubishi Materials Corporation
- Masaya Hisada
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with a force application device using a lever device for...
- Patent number 9,140,074
- Issue date Sep 22, 2015
- Baker Hughes Incorporated
- Thorsten Schwefe
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drilling large-diameter hole in ground
- Patent number 8,910,729
- Issue date Dec 16, 2014
- Core Geotechnics Co., Ltd.
- Sun Keun Park
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for a drilling tool
- Patent number 7,775,303
- Issue date Aug 17, 2010
- Ove Göting
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus having in-line extending wings and driving metho...
- Patent number 7,681,671
- Issue date Mar 23, 2010
- Byung-Duk Lim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole hammer with pilot and method of enlarging a hole
- Patent number 7,673,706
- Issue date Mar 9, 2010
- Sandvik Intellectual Property AB
- Rob A. Simmons
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth auger head and excavation method
- Patent number 7,555,854
- Issue date Jul 7, 2009
- MLT Soil Co., Ltd.
- Masaki Hatakeyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Percussive drill bit
- Patent number 7,546,888
- Issue date Jun 16, 2009
- Shell Oil Company
- Antonio Maria Guimaraes Leite Cruz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus with percussive action cutter
- Patent number 7,461,706
- Issue date Dec 9, 2008
- Andergauge Limited
- Alan Martyn Eddison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bit assembly
- Patent number 7,347,291
- Issue date Mar 25, 2008
- Robit Rocktools Ltd
- Mikko Mattila
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly
- Patent number 7,185,717
- Issue date Mar 6, 2007
- Ardis L. Holte
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRODUCING HYDRO-EFFLUX HAMMER USING CATALYST-FREE PDC CUTTERS
- Publication number 20230201921
- Publication date Jun 29, 2023
- Saudi Arabian Oil Company
- Guodong Zhan
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DOWNHOLE TOOL
- Publication number 20230064823
- Publication date Mar 2, 2023
- Welltec A/S
- Jørgen HALLUNDBÆK
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID BIT INCLUDING EARTH BORING AND PERCUSSION ELEMENTS FOR DRILL...
- Publication number 20220412169
- Publication date Dec 29, 2022
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling head for a percussive displacement ground drilling device...
- Publication number 20220056765
- Publication date Feb 24, 2022
- Tracto-Technik GmbH & Co. KG
- Franz-Josef Püttmann
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL
- Publication number 20210301616
- Publication date Sep 30, 2021
- Welltec Oilfield Solutions AG
- Jørgen HALLUNDBÆK
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID BIT INCLUDING EARTH-BORING AND PERCUSSION ELEMENTS FOR DRILL...
- Publication number 20200277824
- Publication date Sep 3, 2020
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Application
BORING APPARATUS AND METHOD
- Publication number 20200232282
- Publication date Jul 23, 2020
- Ashmin Holding LLC
- Gunther HH von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING TOOL
- Publication number 20190169938
- Publication date Jun 6, 2019
- MITSUBISHI MATERIALS CORPORATION
- Kazuyoshi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH TORQUE CONSTANT VELOCITY JOINT FOR DOWNHOLE DRILLING POWER TRA...
- Publication number 20180371839
- Publication date Dec 27, 2018
- Halliburton Energy Services, Inc.
- Sandip Sonar
- E21 - EARTH DRILLING MINING
Information Patent Application
BORING APPARATUS AND METHOD
- Publication number 20180291687
- Publication date Oct 11, 2018
- Ashmin Holding LLC
- Gunther HH von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID BIT INCLUDING EARTH-BORING AND PERCUSSION ELEMENTS FOR DRILL...
- Publication number 20180258704
- Publication date Sep 13, 2018
- Jonathan M. Eve
- E21 - EARTH DRILLING MINING
Information Patent Application
Rotary Percussive Piloted Rock Drill Bit
- Publication number 20180216409
- Publication date Aug 2, 2018
- Ajax Tool Works, Inc.
- Michael T. Jones
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR PULLING MATERIAL THROUGH PILOT-CHANNEL
- Publication number 20170342777
- Publication date Nov 30, 2017
- CARY COOPER
- E21 - EARTH DRILLING MINING
Information Patent Application
Rotary Percussive Piloted Rock Drill Bit
- Publication number 20170335632
- Publication date Nov 23, 2017
- Ajax Tool Works, Inc.
- Michael T. Jones
- E21 - EARTH DRILLING MINING
Information Patent Application
PERCUSSIVE DRILL BIT WITH MULTIPLE SETS OF FRONT CUTTING INSERTS
- Publication number 20170081920
- Publication date Mar 23, 2017
- SANDVIK INTELECTUAL PROPERTY AB
- Rasmus HEMPH
- E21 - EARTH DRILLING MINING
Information Patent Application
PERCUSSIVE ROCK DRILL BIT WITH FLUSHING GROOVES
- Publication number 20160348442
- Publication date Dec 1, 2016
- Sandvik Intellectual Property AB
- Andreas Rindeskar
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT
- Publication number 20160333644
- Publication date Nov 17, 2016
- Lehti Group OY
- Jukka Ahonen
- E21 - EARTH DRILLING MINING
Information Patent Application
BORING APPARATUS AND METHOD
- Publication number 20160108678
- Publication date Apr 21, 2016
- Ashmin LC
- Gunther HH von Gynz-Rekowski
- E21 - EARTH DRILLING MINING
Information Patent Application
PERCUSSIVE ROCK DRILL BIT
- Publication number 20160090791
- Publication date Mar 31, 2016
- Sandvik Intellectual Property AB
- Magnus PERSSON
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER HAVING NONCONCENTRICALLY...
- Publication number 20150345227
- Publication date Dec 3, 2015
- CENTER ROCK INC.
- Leland H. Lyon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR PLASTIC PIPE DRILLING
- Publication number 20140332276
- Publication date Nov 13, 2014
- Kai Gylling
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR ROCK DRILLING TOOL, AND ROCK DRILLING TOOL
- Publication number 20140299388
- Publication date Oct 9, 2014
- Sandvik Intellectual Property AB
- Andreas Rindeskar
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Assembly
- Publication number 20140144710
- Publication date May 29, 2014
- Mikko Mattila
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit with a Force Application Device Using a Lever Device for...
- Publication number 20140027177
- Publication date Jan 30, 2014
- BAKER HUGHES INCORPORATED
- Thorsten Schwefe
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR DRILLING LARGE-DIAMETER HOLE IN GROUND
- Publication number 20120061145
- Publication date Mar 15, 2012
- CORE GEOTECHNICS CO., LTD.
- Sun Keun Park
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND DRILLING APPARATUS FOR DOWN-THE-HOLE DRILLING
- Publication number 20110198129
- Publication date Aug 18, 2011
- Oy Atlas Copco Rotex Ab
- Jukka Ahonan
- E21 - EARTH DRILLING MINING
Information Patent Application
One-piece drill bit for single-pass anchor bolting and single pass...
- Publication number 20090285638
- Publication date Nov 19, 2009
- Christer Lundberg
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING APPARATUS HAVING IN-LINE EXTENDING WINGS AND DRIVING METHO...
- Publication number 20090188719
- Publication date Jul 30, 2009
- Byung-duk Lim
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH AUGER HEAD AND EXCAVATION METHOD
- Publication number 20080127528
- Publication date Jun 5, 2008
- MLT SOIL CO., LTD.
- Masaki HATAKEYAMA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
DEVICE FOR A DRILLING TOOL
- Publication number 20070261892
- Publication date Nov 15, 2007
- Ove Goting
- E21 - EARTH DRILLING MINING

with leading portion

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Hybrid bit including earth boring and percussion elements for drill...

Downhole tool

Drilling head for a percussive displacement ground drilling device...

Downhole tool

Hybrid bit including earth-boring and percussion elements for drill...

Boring apparatus and method

High torque constant velocity joint for downhole drilling power tra...

Drilling tool

Hybrid bit including earth-boring and percussion elements for drill...

Boring apparatus and method

Percussive rock drill bit with flushing grooves

Drill bit for pulling material through pilot-channel

Rotary percussive piloted rock drill bit

Hammering and rotatable drill bit

Rotary percussive piloted rock drill bit

Boring apparatus and method

Drill bit for rock drilling tool, and rock drilling tool

Drill bit assembly for a directional percussion boring system

Method and apparatus for plastic pipe drilling

Excavating tool

Drill bit with a force application device using a lever device for...

Method and apparatus for drilling large-diameter hole in ground

Device for a drilling tool

Drilling apparatus having in-line extending wings and driving metho...

Down-the-hole hammer with pilot and method of enlarging a hole

Earth auger head and excavation method

Percussive drill bit

Drilling apparatus with percussive action cutter

Bit assembly

Drill bit assembly

Patents Applicationslast 30 patents

PRODUCING HYDRO-EFFLUX HAMMER USING CATALYST-FREE PDC CUTTERS

DOWNHOLE TOOL

HYBRID BIT INCLUDING EARTH BORING AND PERCUSSION ELEMENTS FOR DRILL...

Drilling head for a percussive displacement ground drilling device...

DOWNHOLE TOOL

HYBRID BIT INCLUDING EARTH-BORING AND PERCUSSION ELEMENTS FOR DRILL...

BORING APPARATUS AND METHOD

DRILLING TOOL

HIGH TORQUE CONSTANT VELOCITY JOINT FOR DOWNHOLE DRILLING POWER TRA...

BORING APPARATUS AND METHOD

HYBRID BIT INCLUDING EARTH-BORING AND PERCUSSION ELEMENTS FOR DRILL...

Rotary Percussive Piloted Rock Drill Bit

DRILL BIT FOR PULLING MATERIAL THROUGH PILOT-CHANNEL

Rotary Percussive Piloted Rock Drill Bit

PERCUSSIVE DRILL BIT WITH MULTIPLE SETS OF FRONT CUTTING INSERTS

PERCUSSIVE ROCK DRILL BIT WITH FLUSHING GROOVES

DRILL BIT

BORING APPARATUS AND METHOD

PERCUSSIVE ROCK DRILL BIT

DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER HAVING NONCONCENTRICALLY...

METHOD AND APPARATUS FOR PLASTIC PIPE DRILLING

DRILL BIT FOR ROCK DRILLING TOOL, AND ROCK DRILLING TOOL

Drill Assembly

Drill Bit with a Force Application Device Using a Lever Device for...

METHOD AND APPARATUS FOR DRILLING LARGE-DIAMETER HOLE IN GROUND

METHOD AND DRILLING APPARATUS FOR DOWN-THE-HOLE DRILLING

One-piece drill bit for single-pass anchor bolting and single pass...

DRILLING APPARATUS HAVING IN-LINE EXTENDING WINGS AND DRIVING METHO...

EARTH AUGER HEAD AND EXCAVATION METHOD

DEVICE FOR A DRILLING TOOL