Dong LIU

Person

Xi'an, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for piercing titanium alloy solid billet
- Patent number 11,779,972
- Issue date Oct 10, 2023
- NORTHWESTERN POLYTECHNICAL UNIVERSITY
- Yanhui Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for preparing ultrafine-grained superalloy bar
- Patent number 11,420,241
- Issue date Aug 23, 2022
- NORTHWESTERN POLYTECHNICAL UNIVERSITY
- Dong Liu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
THREE-ROLLER DEVICE FOR HIGH-ACCURACY WALL REDUCTION AND UNIFORMATION
- Publication number 20240278301
- Publication date Aug 22, 2024
- Hangon Precise Rolling Co., Ltd.
- Dong LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Skew Rolling Assembly and Method Suitable for Large-Size Superalloy...
- Publication number 20240189879
- Publication date Jun 13, 2024
- Anhui Hangon Precise Rolling Co. Ltd
- Dong LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MECHANISM, SKEW ROLLING MILL AND METHOD FOR ROLLING ULTRAFI...
- Publication number 20240189880
- Publication date Jun 13, 2024
- Anhui DongYun Intelligent Rolling Equipment Co., Ltd.
- Dong LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PIERCING TITANIUM ALLOY SOLID BILLET
- Publication number 20220008975
- Publication date Jan 13, 2022
- Northwestern Polytechnical University
- Yanhui YANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PIERCING TITANIUM ALLOY SOLID BILLET
- Publication number 20200298297
- Publication date Sep 24, 2020
- Northwestern Polytechnical University
- Yanhui YANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PREPARING ULTRAFINE-GRAINED SUPERALLOY BAR
- Publication number 20200276624
- Publication date Sep 3, 2020
- Northwestern Polytechnical University
- Dong LIU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Person

Patents Grantslast 30 patents

Method for piercing titanium alloy solid billet

Method for preparing ultrafine-grained superalloy bar

Patents Applicationslast 30 patents

THREE-ROLLER DEVICE FOR HIGH-ACCURACY WALL REDUCTION AND UNIFORMATION

Skew Rolling Assembly and Method Suitable for Large-Size Superalloy...

ROLLING MECHANISM, SKEW ROLLING MILL AND METHOD FOR ROLLING ULTRAFI...

METHOD FOR PIERCING TITANIUM ALLOY SOLID BILLET

METHOD FOR PIERCING TITANIUM ALLOY SOLID BILLET

METHOD FOR PREPARING ULTRAFINE-GRAINED SUPERALLOY BAR