Qiang ZHAO

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional rotating control device
- Patent number 12,139,993
- Issue date Nov 12, 2024
- Unifusion Intelligent Technology Co. Ltd
- Chunlei Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multifunctional rotating control device
- Patent number 12,123,275
- Issue date Oct 22, 2024
- Unifusion Intelligent Technology Co. Ltd
- Chunlei Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Preparation method of uniform low stress cone shaped charge liner
- Patent number 11,525,652
- Issue date Dec 13, 2022
- NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY
- Qiang Chen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Gradient control method for microstructure ultrafine crystallizatio...
- Patent number 11,519,062
- Issue date Dec 6, 2022
- NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY
- Qiang Chen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Gradient Control Method for Microstructure Ultrafine Crystallizatio...
- Publication number 20190316242
- Publication date Oct 17, 2019
- No.59 Research Institute of China Ordnance Industry
- Qiang CHEN
- F42 - AMMUNITION BLASTING
Information Patent Application
Preparation Method of Uniform Low Stress Cone Shaped Charge Liner
- Publication number 20190170486
- Publication date Jun 6, 2019
- No.59 Research Institute of China Ordnance Industry
- Qiang CHEN
- F42 - AMMUNITION BLASTING