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Chengdu City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
All-metal intelligent control motor
Patent number
12,180,808
Issue date
Dec 31, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
High-frequency composite impactor
Patent number
11,927,077
Issue date
Mar 12, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill string rotation controller for directional drilling
Patent number
11,834,928
Issue date
Dec 5, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fracking tool with electromagnetic intelligent control sliding sleeve
Patent number
11,828,149
Issue date
Nov 28, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole signal receiving and transmitting device
Patent number
11,788,407
Issue date
Oct 17, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Directional Well Hydraulic Clutch Drill String Full Rotation Contro...
Publication number
20250116159
Publication date
Apr 10, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
All-Metal Intelligent Control Motor
Publication number
20240337158
Publication date
Oct 10, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
High-Frequency Composite Impactor
Publication number
20240052705
Publication date
Feb 15, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Signal Receiving and Transmitting Device
Publication number
20220364462
Publication date
Nov 17, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
H01 - BASIC ELECTRIC ELEMENTS
Trademark
last 30 trademarks