DING FENG

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JINGZHOU, CN

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Patents Grantslast 30 patents

Information Patent Grant
Drillable adaptive turbine guide shoe
- Patent number 11,326,400
- Issue date May 10, 2022
- Yangtze University
- Ding Feng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Three-dimensional hydraulic oscillator
- Patent number 11,002,094
- Issue date May 11, 2021
- Yangtze University
- Ding Feng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILLABLE ADAPTIVE TURBINE GUIDE SHOE
- Publication number 20220081973
- Publication date Mar 17, 2022
- Yangtze University
- Ding Feng
- E21 - EARTH DRILLING MINING
Information Patent Application
THREE-DIMENSIONAL HYDRAULIC OSCILLATOR
- Publication number 20200048975
- Publication date Feb 13, 2020
- Yangtze University
- DING FENG
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL