HR

Hongzheng Ruan

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,177,544 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 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
D816824 Fume hood 2018-05-01