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CPC
E21B21/16
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B21/00
Methods or apparatus for flushing boreholes
Current Industry
E21B21/16
using gaseous fluids
Industries
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Organizations
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and device for laser drilling
Patent number
12,163,426
Issue date
Dec 10, 2024
Josef Grotendorst
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for controlling flushing in rock drilling
Patent number
12,158,047
Issue date
Dec 3, 2024
Sandvik Mining and Construction Oy
Pekka Anttonen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Monobore drilling methods with managed pressure drilling
Patent number
12,055,001
Issue date
Aug 6, 2024
Opla Energy Ltd.
Elvin Mammadov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flow splitting device for gas reverse circulation drilling
Patent number
11,946,334
Issue date
Apr 2, 2024
China Petroleum and Chemical Corporation
Chuanwei Zhao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Monitoring health of additive systems
Patent number
11,661,834
Issue date
May 30, 2023
Schlumberger Technology Corporation
Gregoire Omont
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Vacuum device and vacuum assisted digger system
Patent number
11,572,748
Issue date
Feb 7, 2023
Corbas Marketing, Inc.
Carlos Cordova
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid coupling drive system for a drill rig air compressor
Patent number
11,441,369
Issue date
Sep 13, 2022
Joy Global Surface Mining Inc
Arnold Law
E21 - EARTH DRILLING MINING
Information
Patent Grant
Vacuum device and vacuum assisted digger system
Patent number
11,365,593
Issue date
Jun 21, 2022
Factory Direct Fastening, Inc.
Carlos Cordova
E21 - EARTH DRILLING MINING
Information
Patent Grant
High power laser completion drilling tool and methods for upstream...
Patent number
11,359,438
Issue date
Jun 14, 2022
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Laser tool configured for downhole beam generation
Patent number
11,111,726
Issue date
Sep 7, 2021
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline-diamond compact air bit
Patent number
11,098,541
Issue date
Aug 24, 2021
Ulterra Drilling Technologies, L.P.
Christopher M. Casad
E21 - EARTH DRILLING MINING
Information
Patent Grant
High power laser completion drilling tool and methods for upstream...
Patent number
10,941,618
Issue date
Mar 9, 2021
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drilling tool and method for producing a bore in the ground
Patent number
10,927,624
Issue date
Feb 23, 2021
Bauer Maschinen GmbH
Sebastian Bauer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Laser tool that combines purging medium and laser beam
Patent number
10,822,879
Issue date
Nov 3, 2020
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole annular flow diverter
Patent number
10,808,477
Issue date
Oct 20, 2020
Centraflow AS
Grant Knight
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for controlled delivery of unknown fluids
Patent number
10,648,259
Issue date
May 12, 2020
Safekick Americas LLC
Helio Mauricio Ribeiro dos Santos
E21 - EARTH DRILLING MINING
Information
Patent Grant
Air storage system
Patent number
10,550,653
Issue date
Feb 4, 2020
William Wesley Carnes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting assembly for a boring device
Patent number
10,465,460
Issue date
Nov 5, 2019
Barbco, Inc.
Anthony R. Barbera
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well-drilling apparatus and method of use
Patent number
10,428,581
Issue date
Oct 1, 2019
Russell C. Crawford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling wells with air
Patent number
10,337,249
Issue date
Jul 2, 2019
Jason A Hatfield
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling system with drill bit for mining machine
Patent number
10,260,289
Issue date
Apr 16, 2019
William L. Shepherd
E21 - EARTH DRILLING MINING
Information
Patent Grant
Test apparatus and a test method for the wetted perimeter of coal s...
Patent number
10,253,629
Issue date
Apr 9, 2019
Shandong University of Science and Technology
Weimin Cheng
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Vortex tube cooler
Patent number
10,151,515
Issue date
Dec 11, 2018
Arizona Board of Regents on behalf of Arizona State University
Kangping Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combustor for heating of airflow on a drill rig
Patent number
10,132,130
Issue date
Nov 20, 2018
Joy Global Surface Mining Inc
Samuel F. Haworth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Controlled geyser well
Patent number
9,932,807
Issue date
Apr 3, 2018
The University of Tulsa
Hong-quan Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well drilling apparatus and method of use
Patent number
9,915,113
Issue date
Mar 13, 2018
Russell C. Crawford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Air compressor system and method of operation
Patent number
9,856,875
Issue date
Jan 2, 2018
Sandvik Intellectual Property AB
Grant Andrew Field
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remote-controlled adjustable-speed screw drill for gas-drive hydrau...
Patent number
9,850,716
Issue date
Dec 26, 2017
Southwest Petroleum University
Tiejun Lin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling machine power pack which includes a clutch
Patent number
9,708,855
Issue date
Jul 18, 2017
Allas Copco Drilling Solutions, LLC
Timothy Ledbetter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Vacuum assisted post hole digger tool and apparatus with rotary clo...
Patent number
9,556,692
Issue date
Jan 31, 2017
Corbas Marketing, Inc.
Carlos J. Cordova
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
MONOBORE DRILLING METHODS WITH MANAGED PRESSURE DRILLING
Publication number
20240344412
Publication date
Oct 17, 2024
Opla Energy Ltd.
Elvin MAMMADOV
E21 - EARTH DRILLING MINING
Information
Patent Application
AIR AND OIL SEPARATION DEVICE
Publication number
20240301884
Publication date
Sep 12, 2024
Joy Global Surface Mining Inc
Scott McMahon
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRIL...
Publication number
20240229638
Publication date
Jul 11, 2024
Rig Technologies International Pty Ltd
Kamil ROGOZINSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING FLUSHING IN ROCK DRILLING
Publication number
20240209701
Publication date
Jun 27, 2024
SANDVIK MINING AND CONSTRUCTION OY
Pekka ANTTONEN
E21 - EARTH DRILLING MINING
Information
Patent Application
Full-hole reverse circulation cluster-type down-the-hole (DTH) hamm...
Publication number
20240167341
Publication date
May 23, 2024
Haozhou Drilling Engineering Machinery (Shandong) Co., Ltd.
Yechen ZHAO
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRIL...
Publication number
20240133289
Publication date
Apr 25, 2024
Rig Technologies International Pty Ltd
Kamil ROGOZINSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE FOR PREVENTING ABRUPT BLOCKAGE IN BLOOIE LINE OF GAS DRILLING
Publication number
20240052713
Publication date
Feb 15, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Hongtao Li
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND DEVICE FOR LASER DRILLING
Publication number
20230287742
Publication date
Sep 14, 2023
Josef Grotendorst
E21 - EARTH DRILLING MINING
Information
Patent Application
Flow Splitting Device for Gas Reverse Circulation Drilling
Publication number
20230147453
Publication date
May 11, 2023
China Petroleum and Chemical Corporation
Chuanwei ZHAO
E21 - EARTH DRILLING MINING
Information
Patent Application
VACUUM DEVICE AND VACUUM ASSISTED DIGGER SYSTEM
Publication number
20230010596
Publication date
Jan 12, 2023
Factory Direct Fastening, Inc.
Carlos Cordova
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE METHOD AND ASSOCIATED APPARATUS
Publication number
20220341288
Publication date
Oct 27, 2022
Hydropulsion Limited
Brian STORIE
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and System for Mining
Publication number
20220154567
Publication date
May 19, 2022
NOVAMERA INC.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Application
CLOSED-LOOP HYDRAULIC DRILLING
Publication number
20220065099
Publication date
Mar 3, 2022
AMERIFORGE GROUP INC.
Austin Johnson
E21 - EARTH DRILLING MINING
Information
Patent Application
NEUTRALIZE HAZARD GASES CONTROL SYSTEM
Publication number
20220010195
Publication date
Jan 13, 2022
Saudi Arabian Oil Company
Mahmoud Adnan Alqurashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Monobore Drilling Methods with Managed Pressure Drilling
Publication number
20210317714
Publication date
Oct 14, 2021
Opla Energy Ltd.
Elvin MAMMADOV
E21 - EARTH DRILLING MINING
Information
Patent Application
MONITORING HEALTH OF ADDITIVE SYSTEMS
Publication number
20200347713
Publication date
Nov 5, 2020
SCHLUMBERGER TECHNOLOGY CORPORATION
Gregoire OMONT
E21 - EARTH DRILLING MINING
Information
Patent Application
OPEN HOLE GAS WELL CLOSED CYCLE DRILLING AND PRODUCTION SYSTEM WITH...
Publication number
20200190925
Publication date
Jun 18, 2020
L. ZANE SHUCK
E21 - EARTH DRILLING MINING
Information
Patent Application
ROOF DRILL BIT AND CUTTING INSERT THEREFOR
Publication number
20200102793
Publication date
Apr 2, 2020
Kennametal Inc.
Chad A. Swope
E21 - EARTH DRILLING MINING
Information
Patent Application
LASER TOOL THAT COMBINES PURGING MEDIUM AND LASER BEAM
Publication number
20200048967
Publication date
Feb 13, 2020
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Application
LASER TOOL CONFIGURED FOR DOWNHOLE BEAM GENERATION
Publication number
20200048966
Publication date
Feb 13, 2020
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY DRILLING TOOL AND METHOD FOR PRODUCING A BORE IN THE GROUND
Publication number
20190390519
Publication date
Dec 26, 2019
Bauer Maschinen GmbH
Sebastian BAUER
E21 - EARTH DRILLING MINING
Information
Patent Application
Polycrystalline-Diamond Compact Air Bit
Publication number
20190284887
Publication date
Sep 19, 2019
ULTERRA DRILLING TECHNOLOGIES, L.P.
Christopher M. Casad
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR CONTROLLED DELIVERY OF UNKNOWN FLUIDS
Publication number
20190120000
Publication date
Apr 25, 2019
SafeKick Americas LLC
Helio Mauricio Ribeiro dos Santos
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Annular Flow Diverter
Publication number
20190048673
Publication date
Feb 14, 2019
Centraflow AS
Grant Knight
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ASSEMBLY FOR A BORING DEVICE
Publication number
20180371841
Publication date
Dec 27, 2018
Barbco, Inc.
Anthony R. Barbera
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL-DRILLING APPARATUS AND METHOD OF USE
Publication number
20180266180
Publication date
Sep 20, 2018
Russell C. Crawford
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling wells with air
Publication number
20180223613
Publication date
Aug 9, 2018
Jason A. Hatfield
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT...
Publication number
20180135368
Publication date
May 17, 2018
Sjö Drilling AS
Roger Sverre Stave
E21 - EARTH DRILLING MINING
Information
Patent Application
Air Storage System
Publication number
20180128068
Publication date
May 10, 2018
William Wesley Carnes
E21 - EARTH DRILLING MINING
Information
Patent Application
Electronically-Controlled Compressed Air System
Publication number
20180100362
Publication date
Apr 12, 2018
Caterpillar Global Mining Equipment LLC
Rick William Berlage
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS