DQ

Diqing Qiu

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #1,163,519 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10815116 Draft beer machine Dilin Qiu 2020-10-27
10557664 Double cooled draft beer machine Dilin Qiu 2020-02-11
10472222 Double cooled draft beer machine Dilin Qiu 2019-11-12
10288345 Water cooled draft beer machine Dilin Qiu 2019-05-14