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E21B49/025
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E21
Mining
E21B
EARTH DRILLING
E21B49/00
Testing the nature of borehole walls Formation testing Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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E21B49/025
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Patents Grants
last 30 patents
Information
Patent Grant
Underwater drilling device and method for procuring drill cores of...
Patent number
11,982,145
Issue date
May 14, 2024
Bauer Maschinen GmbH
Johannes Wiener
E21 - EARTH DRILLING MINING
Information
Patent Grant
Geotechnical rig systems and methods
Patent number
11,970,916
Issue date
Apr 30, 2024
Gregg Drilling, LLC
John Gregg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device, system and method for collecting samples from a bed of a wa...
Patent number
11,939,831
Issue date
Mar 26, 2024
FNV IP B.V.
Peter Nicolaas Looijen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Geotechnical rig systems and methods
Patent number
11,643,886
Issue date
May 9, 2023
Gregg Drilling LLC
John Gregg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual rotary elevating geotechnical drill
Patent number
11,512,535
Issue date
Nov 29, 2022
BENTHIC USA LLC
Robert Elliot
E21 - EARTH DRILLING MINING
Information
Patent Grant
Geotechnical rig systems and methods
Patent number
11,473,378
Issue date
Oct 18, 2022
Gregg Drilling, LLC
John Gregg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modeling method for gas production of CBM reservoir rocks
Patent number
11,008,837
Issue date
May 18, 2021
Korea Gas Corporation
Kihong Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pressure-retaining cap screwing and unscrewing device for marine na...
Patent number
10,947,800
Issue date
Mar 16, 2021
Hunan University of Science and Technology
Buyan Wan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for measuring apparent permeability of tight r...
Patent number
10,801,943
Issue date
Oct 13, 2020
China University of Petroleum—Beijing
Xiang'an Yue
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sample collection apparatus
Patent number
10,288,533
Issue date
May 14, 2019
KOREA INSTITUTE OF OCEAN SCIENCE TECHNOLOGY
Seok Jang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Underwater drilling device and method for procuring and analyzing g...
Patent number
9,909,377
Issue date
Mar 6, 2018
Bauer Maschinen GmbH
Stefan Michael Finkenzeller
E21 - EARTH DRILLING MINING
Information
Patent Grant
Silty floating mud collection device
Patent number
9,784,649
Issue date
Oct 10, 2017
CCC THIRD HARBOR CONSULTANTS CO., LTD.
Jianding Niu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method, handling unit and stand for acquiring a sample from a seabe...
Patent number
9,611,710
Issue date
Apr 4, 2017
Fugro Engineers B.V.
Peter Looijen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compound sample extraction apparatus
Patent number
9,416,654
Issue date
Aug 16, 2016
KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
Gun-Chang Lee
G01 - MEASURING TESTING
Information
Patent Grant
Sediment coring apparatus for preventing loss and disturbance of sa...
Patent number
9,322,265
Issue date
Apr 26, 2016
Korea Institute of Geoscience & Mineral Resources
Gee Soo Kong
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determining methane content of a bottom sample
Patent number
9,243,466
Issue date
Jan 26, 2016
Shell Oil Company
Ulfert Cornelis Klomp
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Sea floor sampling device and method
Patent number
8,994,527
Issue date
Mar 31, 2015
Galen G. Verhulst
G01 - MEASURING TESTING
Information
Patent Grant
Percussive driving apparatus for environmental sampling or test device
Patent number
8,881,609
Issue date
Nov 11, 2014
Her Majesty the Queen in right of Canada, as represented by the Minister of E...
Peter K. Krahn
G01 - MEASURING TESTING
Information
Patent Grant
Movable supporting construction
Patent number
8,418,986
Issue date
Apr 16, 2013
Fugro Engineers B.V.
Peter Nicolaas Looijen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for collecting marine deposits
Patent number
8,191,436
Issue date
Jun 5, 2012
Korea Institute of Geoscience and Mineral Resouces (KIGAM)
Jong Hwa Chun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Core sample collector equipped with sterilizing agent-applying mech...
Patent number
7,343,984
Issue date
Mar 18, 2008
Independent Administrative Institution, Japan Agency for Marine-Earth Science...
Noriaki Masui
G01 - MEASURING TESTING
Information
Patent Grant
Cutter head, boring jig and device and process for sea bottom boring
Patent number
5,931,235
Issue date
Aug 3, 1999
Bauer Spezialtiefbau GmbH
Leonhard Weixler
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Remote underwater excavator and sampler
Patent number
4,932,144
Issue date
Jun 12, 1990
Consortium Resource Management Limited
Nicholas V. Sills
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Water jet sediment probe
Patent number
4,433,737
Issue date
Feb 28, 1984
The United States of America as represented by the Secretary of the Navy
Richard J. Malloy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underwater sampler
Patent number
4,019,380
Issue date
Apr 26, 1977
Benthos, Inc.
Samuel O. Raymond
E21 - EARTH DRILLING MINING
Information
Patent Grant
Free-fall grab
Patent number
3,996,678
Issue date
Dec 14, 1976
Preussag Aktiengesellschaft
Hans M. Amann
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Releasable latching apparatus for a benthic grab
Patent number
3,949,497
Issue date
Apr 13, 1976
Trippensee Corporation
Ben L. Crump
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
3885440
Patent number
3,885,440
Issue date
May 27, 1975
E21 - EARTH DRILLING MINING
Information
Patent Grant
3750547
Patent number
3,750,547
Issue date
Aug 7, 1973
E21 - EARTH DRILLING MINING
Information
Patent Grant
3572129
Patent number
3,572,129
Issue date
Mar 23, 1971
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
GEOTECHNICAL RIG SYSTEMS AND METHODS
Publication number
20240254844
Publication date
Aug 1, 2024
Gregg Drilling, LLC
John Gregg
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
GEOTECHNICAL RIG SYSTEMS AND METHODS
Publication number
20230228160
Publication date
Jul 20, 2023
Gregg Drilling, LLC
John Gregg
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR PREDICTING RELATIVE PERMEABILITY CURVE BASED...
Publication number
20230160304
Publication date
May 25, 2023
Institute of Geology and Geophysics, Chinese Academy of Sciences
Shoudong Huo
E21 - EARTH DRILLING MINING
Information
Patent Application
GEOTECHNICAL RIG SYSTEMS AND METHODS
Publication number
20220018196
Publication date
Jan 20, 2022
Gregg Drilling, LLC
John Gregg
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
UNDERWATER DRILLING DEVICE AND METHOD FOR PROCURING DRILL CORES OF...
Publication number
20220003062
Publication date
Jan 6, 2022
Bauer Maschinen GmbH
Johannes WIENER
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL ROTARY ELEVATING GEOTECHNICAL DRILL
Publication number
20210246728
Publication date
Aug 12, 2021
Benthic USA LLC
Robert ELLIOT
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE, SYSTEM AND METHOD FOR COLLECTING SAMPLES FROM A BED OF A WA...
Publication number
20210140258
Publication date
May 13, 2021
FNV IP B.V.
Peter Nicolaas LOOIJEN
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
PRESSURE-RETAINING CAP SCREWING AND UNSCREWING DEVICE FOR MARINE NA...
Publication number
20200248518
Publication date
Aug 6, 2020
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Buyan WAN
E21 - EARTH DRILLING MINING
Information
Patent Application
MODELING METHOD FOR GAS PRODUCTION OF CBM RESERVOIR ROCKS
Publication number
20180306009
Publication date
Oct 25, 2018
KOREA GAS CORPORATION
Kihong Kim
E21 - EARTH DRILLING MINING
Information
Patent Application
SAMPLE COLLECTION APPARATUS
Publication number
20180143104
Publication date
May 24, 2018
KOREA INSTITUTE OF OCEAN SCIENCE TECHNOLOGY
Seok Jang
G01 - MEASURING TESTING
Information
Patent Application
UNDERWATER DRILLING DEVICE AND METHOD FOR PROCURING AND ANALYZING G...
Publication number
20170152719
Publication date
Jun 1, 2017
Bauer Maschinen GmbH
Stefan Michael FINKENZELLER
E21 - EARTH DRILLING MINING
Information
Patent Application
Determining Gas Content of a Core Sample
Publication number
20160003038
Publication date
Jan 7, 2016
NATURAL ENVIRONMENT RESEARCH COUNCIL
David Smith
G01 - MEASURING TESTING
Information
Patent Application
Apparatus and Method for Subsea Testing
Publication number
20150176404
Publication date
Jun 25, 2015
NAUTILUS MINERALS PACIFIC PTY LTD
Glen Smith
G01 - MEASURING TESTING
Information
Patent Application
Sediment Coring Apparatus for Preventing Loss and Disturbance of Sa...
Publication number
20140158434
Publication date
Jun 12, 2014
KOREA INSTITUTE OF GEOSCIENCE & MINERAL RESOURCES
Gee Soo Kong
E21 - EARTH DRILLING MINING
Information
Patent Application
COMPOUND SAMPLE EXTRACTION APPARATUS
Publication number
20140144255
Publication date
May 29, 2014
KOREA OCEAN RESEARCH AND DEVELOPMENT INSTITUTE
Gun-Chang Lee
G01 - MEASURING TESTING
Information
Patent Application
DETERMINING METHANE CONTENT OF A BOTTOM SAMPLE
Publication number
20120261191
Publication date
Oct 18, 2012
Ulfert Cornelis Klomp
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Apparatus for Collecting Marine Deposits
Publication number
20110232138
Publication date
Sep 29, 2011
Korea Institute of Geoscience and Mineral Resources (KIGAM)
Jong Hwa Chun
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSIVE DRIVING APPARATUS FOR ENVIRONMENTAL SAMPLING OR TEST DEVICE
Publication number
20110198125
Publication date
Aug 18, 2011
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF E...
Peter K. Krahn
E21 - EARTH DRILLING MINING
Information
Patent Application
Sea floor sampling device and method
Publication number
20100238025
Publication date
Sep 23, 2010
Galen G. Verhulst
E21 - EARTH DRILLING MINING
Information
Patent Application
MOVABLE SUPPORTING CONSTRUCTION
Publication number
20070246620
Publication date
Oct 25, 2007
Fugro Engineers B.V.
Peter Nicolaas Looijen
E21 - EARTH DRILLING MINING
Information
Patent Application
Core sample collector equipped with sterilizing agent-applying mech...
Publication number
20050106751
Publication date
May 19, 2005
JAPAN MARINE SCIENCE & TECHNOLOGY CENTER
Noriaki Masui
E21 - EARTH DRILLING MINING