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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic power system for downhole device and downhole device
Patent number
12,025,159
Issue date
Jul 2, 2024
China Oilfield Services Limited
Zhibin Tian
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Core detection device of coring instrument and spacer insertion device
Patent number
12,012,816
Issue date
Jun 18, 2024
China National Offshore Oil Corporation
Zhibin Tian
G01 - MEASURING TESTING
Information
Patent Grant
Integrated logging instrument for coring and sampling
Patent number
11,905,829
Issue date
Feb 20, 2024
China Oilfield Services Limited
Tao Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole oil level detection device
Patent number
11,788,405
Issue date
Oct 17, 2023
China Oilfield Services Limited
Zhibin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Core detection device of coring instrument
Patent number
11,739,603
Issue date
Aug 29, 2023
China National Offshore Oil Corporation
Zhibin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Connecting structure for drill collar of logging while drilling ins...
Patent number
11,624,244
Issue date
Apr 11, 2023
CHINA OILFIELD SERVICES, LIMITED
Yongren Feng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Needle for repairing alignment layer, alignment layer repairing app...
Patent number
11,249,348
Issue date
Feb 15, 2022
BOE Technology Group Co., Ltd.
Guangyan Sun
G02 - OPTICS
Information
Patent Grant
Table connection method in distributed database system and distribu...
Patent number
11,163,741
Issue date
Nov 2, 2021
Huawei Technologies Co., Ltd.
Guoqiang Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data transmission method and apparatus
Patent number
10,979,520
Issue date
Apr 13, 2021
Huawei Technologies Co., Ltd.
Lin Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid knife, liquid knife cleaning apparatus and liquid knife asse...
Patent number
10,758,945
Issue date
Sep 1, 2020
BOE Technology Group Co., Ltd.
Liang Yao
B08 - CLEANING
Information
Patent Grant
Channel recovery in burst-mode, time-division multiplexing (TDM) pa...
Patent number
10,469,172
Issue date
Nov 5, 2019
FutureWei Technologies, Inc.
Xiang Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel recovery in burst-mode, time-division multiplexing (TDM) pa...
Patent number
10,153,844
Issue date
Dec 11, 2018
FutureWei Technologies, Inc.
Xiang Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device to associate at least one telecommunication user...
Patent number
9,820,277
Issue date
Nov 14, 2017
Orange
Lijie Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission method and system
Patent number
9,008,016
Issue date
Apr 14, 2015
France Telecom
Lijie Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio frequency signal loopback method and outdoor unit
Patent number
8,995,309
Issue date
Mar 31, 2015
Huawei Technologies Co., Ltd.
Yingdong Ma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Logging Image Definition Recognition Method and Device, Medium, and...
Publication number
20240143651
Publication date
May 2, 2024
China Oilfield Services Ltd.
Lin Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MARKING INFORMATION PROCESSING METHOD AND DEVICE, AND STORAGE MEDIUM
Publication number
20240031434
Publication date
Jan 25, 2024
Beijing Bytedance Network Technology Co., Ltd.
Lin HUANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CORING AND SAMPLING INTEGRATED SUB AND DOWNHOLE INSTRUMENT
Publication number
20240026747
Publication date
Jan 25, 2024
China Oilfield Services Limited
Yongren FENG
E21 - EARTH DRILLING MINING
Information
Patent Application
Core Detection Device of Coring Instrument and Spacer Insertion Device
Publication number
20230194388
Publication date
Jun 22, 2023
CHINA NATIONAL OFFSHORE OIL CORPORATION
Zhibin Tian
E21 - EARTH DRILLING MINING
Information
Patent Application
CORING DEVICE
Publication number
20220397491
Publication date
Dec 15, 2022
China Oilfield Services Limited
Zhibin Tian
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATED LOGGING INSTRUMENT FOR CORING AND SAMPLING
Publication number
20220316290
Publication date
Oct 6, 2022
China Oilfield Services Limited
Tao LU
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC POWER SYSTEM FOR DOWNHOLE DEVICE AND DOWNHOLE DEVICE
Publication number
20220260094
Publication date
Aug 18, 2022
China Oilfield Services Limited
Zhibin TIAN
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
DOWNHOLE OIL LEVEL DETECTION DEVICE
Publication number
20220154573
Publication date
May 19, 2022
China Oilfield Services Limited
Zhibin Tian
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING COMPOSITION AND PROPERTY OF FORMATI...
Publication number
20220155275
Publication date
May 19, 2022
China Oilfield Services Limited
Youxiang ZUO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CORE DETECTION DEVICE OF CORING INSTRUMENT
Publication number
20210285849
Publication date
Sep 16, 2021
CHINA NATIONAL OFFSHORE OIL CORPORATION
Zhibin Tian
G01 - MEASURING TESTING
Information
Patent Application
Connecting Structure for Drill Collar of Logging While Drilling Ins...
Publication number
20210277723
Publication date
Sep 9, 2021
Yongren FENG
E21 - EARTH DRILLING MINING
Information
Patent Application
NEEDLE FOR REPAIRING ALIGNMENT LAYER, ALIGNMENT LAYERREPAIRING APPA...
Publication number
20210200005
Publication date
Jul 1, 2021
BOE TECHNOLOGY GROUP CO., LTD.
Guangyan Sun
G02 - OPTICS
Information
Patent Application
Data Table Processing Method and Apparatus
Publication number
20190108174
Publication date
Apr 11, 2019
Huawei Technologies Co., Ltd
Peiliang Du
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Channel Recovery in Burst-Mode, Time-Division Multiplexing (TDM) Pa...
Publication number
20190074905
Publication date
Mar 7, 2019
FutureWei Technologies, Inc.
Xiang Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TABLE CONNECTION METHOD IN DISTRIBUTED DATABASE SYSTEM AND DISTRIBU...
Publication number
20190057123
Publication date
Feb 21, 2019
Huawei Technologies Co., Ltd
Guoqiang ZHANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Channel Recovery in Burst-Mode, Time-Division Multiplexing (TDM) Pa...
Publication number
20180287706
Publication date
Oct 4, 2018
FutureWei Technologies, Inc.
Xiang Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMISSION METHOD AND APPARATUS
Publication number
20180262590
Publication date
Sep 13, 2018
Huawei Technologies Co., Ltd
Lin HUANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIQUID KNIFE, LIQUID KNIFE CLEANING APPARATUS AND LIQUID KNIFE ASSE...
Publication number
20170266698
Publication date
Sep 21, 2017
BOE TECHNOLOGY GROUP CO., LTD.
Liang YAO
B08 - CLEANING
Information
Patent Application
SPRAY SYSTEM AND USE METHOD THEREOF
Publication number
20160158785
Publication date
Jun 9, 2016
BOE TECHNOLOGY GROUP CO., LTD.
Wei ZHOU
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Method and Device to Associate at Least One Telecommunication user...
Publication number
20150257154
Publication date
Sep 10, 2015
ORANGE
Lijie Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO FREQUENCY SIGNAL LOOPBACK METHOD AND OUTDOOR UNIT
Publication number
20120294198
Publication date
Nov 22, 2012
Huawei Technologies Co., Ltd
Yingdong Ma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data Transmission Method and System
Publication number
20120236815
Publication date
Sep 20, 2012
FRANCE TELECOM
Lijie Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR DUPLEXER FAULT DETECTION
Publication number
20120155287
Publication date
Jun 21, 2012
Huawei Technologies Co., Ltd
Lin Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE