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the core receiver being specially adapted for operation under water
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E21B25/18
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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B25/00
Apparatus for obtaining or removing undisturbed cores
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E21B25/18
the core receiver being specially adapted for operation under water
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Patents Grants
last 30 patents
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Patent Grant
Multi-point drilling and sampling device applied to seafloor tracke...
Patent number
12,084,933
Issue date
Sep 10, 2024
Hunan University of Science and Technology
Yongping Jin
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Transfer and online detection system for deep-sea sediment samples...
Patent number
12,025,604
Issue date
Jul 2, 2024
ZHEJIANG UNIVERSITY
Jiawang Chen
E21 - EARTH DRILLING MINING
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
Method for offshore dual-drive core drilling with three layers of c...
Patent number
11,959,346
Issue date
Apr 16, 2024
GUANGZHOU MARINE GEOLOGICAL SURVEY
Lieyu Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Suction-activated core catcher and related methods
Patent number
11,952,851
Issue date
Apr 9, 2024
BENTHIC USA LLC
Matthew Tydelski
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
Sock for a floating vessel
Patent number
11,834,930
Issue date
Dec 5, 2023
Zentech, Inc.
Ramesh Maini
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Portable seafloor drill rig for submersible for multi-point core dr...
Patent number
11,326,398
Issue date
May 10, 2022
Hunan University of Science and Technology
Yongping Jin
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for measuring mechanical properties of sea floor sediments a...
Patent number
11,110,997
Issue date
Sep 7, 2021
Ocean University of China
Yonggang Jia
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wireline coring recovery system of a seafloor drilling rig and meth...
Patent number
11,041,344
Issue date
Jun 22, 2021
Hunan University of Science and Technology
Buyan Wan
E21 - EARTH DRILLING MINING
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
Sediment core-drilling process for submarine wire-line coring drill...
Patent number
10,927,606
Issue date
Feb 23, 2021
Hunan University of Science and Technology
Buyan Wan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Natural gas hydrate pressure-retaining corer
Patent number
10,837,247
Issue date
Nov 17, 2020
GUANGZHOU MARINE GEOLOGICAL SURVEY
Xuwen Qin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for drilling natural gas hydrates with submersible core dri...
Patent number
10,704,350
Issue date
Jul 7, 2020
Hunan University of Science and Technology
Buyan Wan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic push corer system
Patent number
10,605,023
Issue date
Mar 31, 2020
National Sun Yat-sen University
Yu-Cheng Chou
E21 - EARTH DRILLING MINING
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
Coring system including tensiometer and method of deciding accurate...
Patent number
9,637,987
Issue date
May 2, 2017
Korea Institute of Geoscience & Mineral Resources
Moo Hee Kang
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
Coring system and method
Patent number
9,322,236
Issue date
Apr 26, 2016
Exxonmobil Upstream Research Company
Haydar Arslan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remotely operable underwater drilling system and drilling method
Patent number
9,322,220
Issue date
Apr 26, 2016
Marl Technologies
Ronald W. Innes
E21 - EARTH DRILLING MINING
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
Sampling method and sampler for gas hydrates by hole bottom freezing
Patent number
8,074,739
Issue date
Dec 13, 2011
Jilin University
Youhong Sun
G01 - MEASURING TESTING
Information
Patent Grant
Suction coring device and method
Patent number
7,918,287
Issue date
Apr 5, 2011
Alan Foley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Crustal core sampler and method of coring crustal core sample using...
Patent number
7,124,841
Issue date
Oct 24, 2006
Independent Administrative Institution Japan Agency for Marine-Earth Science...
Kazuyasu Wada
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for driving into the marine subsurface at great d...
Patent number
6,907,931
Issue date
Jun 21, 2005
Julien Bessonart
G01 - MEASURING TESTING
Information
Patent Grant
Downhole coring device
Patent number
6,705,411
Issue date
Mar 16, 2004
Fugro Engineers B.V.
Peter Nicolaas Looijen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for seabed piston coring
Patent number
6,394,192
Issue date
May 28, 2002
Benthic GeoTech Pty Ltd
Hugh Ivo Frazer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Core sampler
Patent number
6,390,206
Issue date
May 21, 2002
Kåre Aardal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for collecting samples of earth materials
Patent number
5,831,185
Issue date
Nov 3, 1998
Pentec Technologies, Inc.
Gary S. Maxwell
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SOCK FOR A FLOATING VESSEL
Publication number
20240191603
Publication date
Jun 13, 2024
ZENTECH, INC.
Ramesh MAINI
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
METHOD FOR OFFSHORE DUAL-DRIVE CORE DRILLING WITH THREE LAYERS OF C...
Publication number
20240060378
Publication date
Feb 22, 2024
Guangzhou Marine Geological Survey
Lieyu TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-POINT DRILLING AND SAMPLING DEVICE APPLIED TO SEAFLOOR TRACKE...
Publication number
20230399910
Publication date
Dec 14, 2023
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Yongping JIN
E21 - EARTH DRILLING MINING
Information
Patent Application
TRANSFER AND ONLINE DETECTION SYSTEM FOR DEEP-SEA SEDIMENT SAMPLES...
Publication number
20220187271
Publication date
Jun 16, 2022
ZHEJIANG UNIVERSITY
Jiawang Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
A SOCK FOR A FLOATING VESSEL
Publication number
20220074283
Publication date
Mar 10, 2022
ZENTECH, INC.
Ramesh MAINI
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
SUCTION-ACTIVATED CORE CATCHER AND RELATED METHODS
Publication number
20210310323
Publication date
Oct 7, 2021
Benthic USA LLC
Matthew Tydelski
E21 - EARTH DRILLING MINING
Information
Patent Application
PORTABLE SEAFLOOR DRILL RIG FOR SUBMERSIBLE FOR MULTI-POINT CORE DR...
Publication number
20210254409
Publication date
Aug 19, 2021
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Yongping JIN
E21 - EARTH DRILLING MINING
Information
Patent Application
WIRELINE CORING RECOVERY SYSTEM OF A SEAFLOOR DRILLING RIG AND METH...
Publication number
20210164300
Publication date
Jun 3, 2021
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Buyan WAN
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
SEABED CORE SAMPLING DEVICE AND CORE SAMPLING METHOD
Publication number
20200325745
Publication date
Oct 15, 2020
Koken Boring Machine Co., Ltd.
Sachihiro SUENAGA
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
PROCESS FOR DRILLING NATURAL GAS HYDRATES WITH SUBMERSIBLE CORE DRI...
Publication number
20200131875
Publication date
Apr 30, 2020
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Buyan WAN
E21 - EARTH DRILLING MINING
Information
Patent Application
SEDIMENT CORE-DRILLING PROCESS FOR SUBMARINE WIRE-LINE CORING DRILL...
Publication number
20200131853
Publication date
Apr 30, 2020
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Buyan WAN
E21 - EARTH DRILLING MINING
Information
Patent Application
Underwater Sampling Method and Apparatus
Publication number
20190368978
Publication date
Dec 5, 2019
Richard P. Sheryll
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
AUTOMATIC PUSH CORER SYSTEM
Publication number
20190338611
Publication date
Nov 7, 2019
NATIONAL SUN YAT-SEN UNIVERSITY
YU-CHENG CHOU
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for Collecting Geological Samples and Attitude-Controllable...
Publication number
20190032433
Publication date
Jan 31, 2019
TOPY KOGYO KABUSHIKI KAISHA
Takao Sawa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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
SUPPORT APPARATUS FOR SUPPORTING DRIVE MEANS, AND DRIVING APPARATUS...
Publication number
20160251907
Publication date
Sep 1, 2016
SOIL MACHINE DYNAMICS LIMITED
John Graeme Walker
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
METHOD, HANDLING UNIT AND STAND FOR ACQUIRING A SAMPLE FROM A SEABE...
Publication number
20150337611
Publication date
Nov 26, 2015
Fugro Engineers B.V.
Peter Looijen
E21 - EARTH DRILLING MINING
Information
Patent Application
Coring System and Method
Publication number
20150285020
Publication date
Oct 8, 2015
Haydar Arslan
E21 - EARTH DRILLING MINING
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
APPARATUS ASSOCIATED WITH SUB-SEA OPERATIONS
Publication number
20130341088
Publication date
Dec 26, 2013
FUGRO SEACORE LIMITED
John Richard Yorke Gleadowe
E21 - EARTH DRILLING MINING
Information
Patent Application
REMOTELY OPERABLE UNDERWATER DRILLING SYSTEM AND DRILLING METHOD
Publication number
20130206476
Publication date
Aug 15, 2013
MARL TECHNOLOGIES INC.
Ronald W. Innes
E21 - EARTH DRILLING MINING
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
Sub-Sampler
Publication number
20100300219
Publication date
Dec 2, 2010
Korea Institute of Geoscience and Mineral Resources (KIGAM)
Inkwon Um
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SAMPLING METHOD AND SAMPLER FOR GAS HYDRATES BY HOLE BOTTOM FREEZING
Publication number
20090229382
Publication date
Sep 17, 2009
Jilin University
Youhong Sun
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and Device for Subsea Wire Line Drilling
Publication number
20090178847
Publication date
Jul 16, 2009
PERRY SLINGSBY SYSTEMS, INC.
Peter Nellessen, JR.
E21 - EARTH DRILLING MINING