Calgary
Canada
3
2020-05-07
The entities that hold a legal rights for patent applications filed by inventor Xia Yuhan:
Yuhan Xia from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
SYSTEM AND METHOD FOR SOLVENT DE-ASPHALTING
#2 | 2017-06-01UPGRADING OF HYDROCARBON MATERIAL
#3 | 2014-05-22Integrated central processing facility (CPF) in oil field upgrading (OFU)
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