Inventor

PAN DE AN

CN3 patents

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

UNIV BEIJING TECHNOLOGY

2 patents

US11345975B2May 31, 2022

Method for comprehensive recovery of silver-containing lead slag

UNIV BEIJING TECHNOLOGY0 citations45

US12534376B2Jan 27, 2026

Method of purifying sodium bromide from waste circuit boards pyrolysis coke

UNIV BEIJING TECHNOLOGY0 citations41

UNIV BEIJING SCIENCE & TECH

1 patent

US9499440B2Nov 22, 2016

Reduction and harmless method for recycling heavy metal waste

UNIV BEIJING SCIENCE & TECH0 citations29