HR

Hongzheng Ruan

UN Unknown: 1 patents #394 of 3,590Top 15%
Overall (2019): #87,848 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10478873 Ventilation cabinet Guangye Tang, Bingli Lu 2019-11-19
10357810 Steady flow structure and a ventilation apparatus having said steady flow structure Guangye Tang 2019-07-23
D846108 Vane damper 2019-04-16