Patents/Inventors

Zheng Duan

Hanover, NHUS7 patents

6 Patents

US125830512026
Cost Effective Cartridge for a Plasma Arc Torch
Hypertherm, Inc.
0 cites
US123459222025
Grating Structure, Preparation Method Thereof and Display Device
BOE Technology Group Co., Ltd.
0 cites
US122804412025
Swirl Ring and Contact Element for a Plasma Arc Torch Cartridge
Hypertherm, Inc.
0 cites
US119918132024
Cost Effective Cartridge for a Plasma Arc Torch
Hypertherm, Inc.
0 cites
US117708912023
Cost Effective Cartridge for a Plasma Arc Torch
Hypertherm, Inc.
0 cites
US116849952023
Cost Effective Cartridge for a Plasma Arc Torch
Hypertherm, Inc.
0 cites