ZF

Zhengwei Fang

SC Shanghai Hongyan Returnable Transit Packagings Co.: 5 patents #1 of 5Top 20%
Overall (2022): #24,707 of 548,613Top 5%
5
Patents 2022

Issued Patents 2022

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11435009 Hinged valve — 2022-09-06
11421788 Valve — 2022-08-23
11383889 Squeezer and liquid discharge system and method — 2022-07-12
11305933 Fluid discharge system and squeezer thereof — 2022-04-19
11235922 Fluid discharge system and squeezer thereof — 2022-02-01