Patents/Inventors

Ziqian Wu

Nanjing JiangsuCN11 patents

13 Patents

USD10909982025
Filter for a Welding Helmet
LINCOLN GLOBLA, Inc.
0 cites
USD10713662025
Hearing Protector
TECMEN ELECTRONICS CO., Ltd
0 cites
USD10620762025
Protective Helmet
TECMEN ELECTRONICS CO., Ltd
0 cites
US121021602024
Headgear with Curved Straps for Welding Helmet
TECMEN ELECTRONICS CO., Ltd
0 cites
USD10417682024
Filter for a Welding Helmet
LINCOLN GLOBAL, Inc.
0 cites
USD10012702023
Pressure Regulation Device
TECMEN ELECTRONICS CO., Ltd
0 cites
USD10012712023
Respirator
TECMEN ELECTRONICS CO., Ltd
0 cites
USD09965932023
Cooling Device
TECMEN ELECTRONICS CO., Ltd
0 cites
USD09941162023
Respiration Device
TECMEN ELECTRONICS CO., Ltd
0 cites
USD09928282023
Welding Helmet
Lincoln Global, Inc.
0 cites
US116907632023
Combination of a Goggle and a Face Mask
TECMEN ELECTRONICS CO., Ltd
0 cites
USD09833552023
Respiration Device
Tecmen Electronics Co., Ltd.
0 cites
US115764542023
Headgear with Curved Straps for Welding Helmet
Tecmen Electronics Co., Ltd.
0 cites