Inventor

ZENG QIAN

CN3 patents

⚠️ This page may combine multiple inventors who share the name “ZENG QIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHANGHAI HUACHANG ENV PROT CO LTD

1 patent

US11772091B2Oct 3, 2023

Method and apparatus for treating, sorting and recycling oil-containing discharged catalyst

SHANGHAI HUACHANG ENV PROT CO LTD0 citations41

LI JIANPING

1 patent

US10041010B2Aug 7, 2018

Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil

LI JIANPING0 citations37

WANG HUALIN

1 patent

US9302910B2Apr 5, 2016

Short-flow process for desulfurization of circulating hydrogen and device for the same

WANG HUALIN0 citations36