ZW

Ziqian Wu

TC Tecmen Electronics Co.: 8 patents #1 of 1Top 100%
Overall (2020): #12,343 of 565,922Top 3%
8
Patents 2020

Issued Patents 2020

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D900406 Auto darkening welding helmet 2020-10-27
D900399 Protective helmet 2020-10-27
D899698 Protective helmet 2020-10-20
10729202 Headband arrangement and welding helmet equipped with the same 2020-08-04
10660796 Wireless projector-type welding helmet and welding machine equipped with the same 2020-05-26
D876530 Auto darkening welding goggle 2020-02-25
10555836 Welding helmet having a HUD-type auto-darkening filter 2020-02-11
10548774 Auto-darkening welding helmet with a touchable operating screen 2020-02-04