Guangcheng DAI

Follow

Person

Meishan, Sichuan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Intelligent riveting system
- Patent number 11,351,597
- Issue date Jun 7, 2022
- MEISHAN CRRC FASTENING SYSTEM CO., LTD.
- Guangcheng Dai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Single-groove and short-tail pulling rivet and erection method thereof
- Patent number 10,309,436
- Issue date Jun 4, 2019
- MEISHAN CRRC FASTENING SYSTEM CO., LTD.
- Xu He
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Detachable double-locking riveting dismounting method and pulling r...
- Patent number 10,081,049
- Issue date Sep 25, 2018
- MEISHAN CRRC FASTENING SYSTEM CO., LTD.
- Yu Liu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Intelligent Riveting System
- Publication number 20210121941
- Publication date Apr 29, 2021
- MEISHAN CRRC FASTENING SYSTEM CO., LTD
- Guangcheng DAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Single-groove and Short-tail Pulling Rivet and Erection Method Thereof
- Publication number 20180038404
- Publication date Feb 8, 2018
- MEISHAN CRRC FASTENING SYSTEM CO., LTD.
- Xu HE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Detachable Double-locking Riveting Dismounting Method and Pulling R...
- Publication number 20160325340
- Publication date Nov 10, 2016
- MEISHAN CRRC FASTENING SYSTEM CO., LTD.
- Yu LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...