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Meishan, Sichuan, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Single groove single-sided fastener and installation method thereof
Patent number
11,692,576
Issue date
Jul 4, 2023
MEISHAN CRRC FASTENING SYSTEM CO., LTD
Shibo Wang
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 Applications
last 30 patents
Information
Patent Application
Riveting Tool for High-strength Ring Groove Rivet
Publication number
20250091117
Publication date
Mar 20, 2025
MEISHAN CRRC FASTENING SYSTEM CO., LTD.
Shuai ZHANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Single groove single-sided fastener and installation method thereof
Publication number
20230119925
Publication date
Apr 20, 2023
MEISHAN CRRC FASTENING SYSTEM CO., LTD
SHIBO WANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Pulling rivet for fastening connection of conductive material
Publication number
20230121175
Publication date
Apr 20, 2023
MEISHAN CRRC FASTENING SYSTEM CO., LTD
XU HE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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...