CY

Cheng Yuan

US Usfilter: 2 patents #6 of 46Top 15%
Overall (All Time): #1,496,590 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9731978 Method for preparing basic zinc chloride Junqiang ZHU, Wenbin Xu, Yanjie Wang, Long CHEN, Zhijia Zeng +1 more 2017-08-15
7022269 Activated carbon for odor control and method for making same James Graham 2006-04-04
6858192 Activated carbon for odor control and method for making same James Graham 2005-02-22