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Patents Grants
last 30 patents
Information
Patent Grant
Indexable face milling cutting insert and face milling cutting head...
Patent number
11,311,949
Issue date
Apr 26, 2022
BEIJING WORLDIA DIAMOND TOOLS CO., LTD.
Zongchao Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Vertically-mounted milling cutter insert and multitooth milling cutter
Patent number
10,220,450
Issue date
Mar 5, 2019
BEIJING WORLDIA DIAMOND TOOLS CO., LTD
Zongchao Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
WIPER INSERT AND TOOL WITH THE SAME
Publication number
20240227030
Publication date
Jul 11, 2024
BEIJING WORLDIA DIAMOND TOOLS CO., LTD
Zongchao ZHANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NOVEL GROOVE CUTTER WITH CHIP BREAKER
Publication number
20220314335
Publication date
Oct 6, 2022
BEIJING WORLDIA DIAMOND TOOLS CO., LTD.
Zongchao ZHANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
INDEXABLE FACE MILLING CUTTING INSERT AND FACE MILLING CUTTING HEAD...
Publication number
20200122247
Publication date
Apr 23, 2020
Zongchao ZHANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
VERTICALLY-MOUNTED MILLING CUTTER INSERT AND MULTITOOTH MILLING CUTTER
Publication number
20170197256
Publication date
Jul 13, 2017
BEIJING WORLDIA DIAMOND TOOLS CO., LTD
Zongchao ZHANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR