Inventor

NIU YINJIAN

CN3 patents

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

CHILWEE POWER CO LTD

2 patents

US9828653B2Nov 28, 2017

Method for recycling lead oxide-containing waste material

CHILWEE POWER CO LTD1 citations45

US9828654B2Nov 28, 2017

Method for directly recovering lead oxide used for a lead-acid battery cathode from waste lead paste

CHILWEE POWER CO LTD1 citations43

UNIV BEIJING CHEM TECH

1 patent

US10135100B2Nov 20, 2018

Method for recovering lead oxide from waste lead paste

UNIV BEIJING CHEM TECH1 citations42