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Patents Grants
last 30 patents
Information
Patent Grant
Method for extracting kansei adjective of product based on principa...
Patent number
11,868,432
Issue date
Jan 9, 2024
Sichuan University
Wu Zhao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preset three-stage adjustable downhole choke with choking and press...
Patent number
11,719,070
Issue date
Aug 8, 2023
Sichuan University
Xin Guo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure pulse communication system and method during gas drilling
Patent number
11,713,674
Issue date
Aug 1, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-frequency acoustic velocity measurement device for core
Patent number
11,371,962
Issue date
Jun 28, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yijian Chen
G01 - MEASURING TESTING
Information
Patent Grant
Logging-while-drilling optical fiber communication device
Patent number
10,415,374
Issue date
Sep 17, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu Chen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CONSTRUCTING DESIGN CONCEPT GENERATION NETWORK (DCGN) AN...
Publication number
20240005130
Publication date
Jan 4, 2024
Sichuan University
Wu ZHAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for extracting kansei adjective of product based on principa...
Publication number
20230409671
Publication date
Dec 21, 2023
Sichuan University
Wu ZHAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PRESSURE PULSE COMMUNICATION SYSTEM AND METHOD DURING GAS DRILLING
Publication number
20230095056
Publication date
Mar 30, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu CHEN
E21 - EARTH DRILLING MINING
Information
Patent Application
Logging-While-Drilling Optical Fiber Communication Device
Publication number
20190024504
Publication date
Jan 24, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Xingyu CHEN
G02 - OPTICS