Patents/Inventors

Lingfeng Han

ShanghaiCN1 patent

2 Patents

US121291962024
Silica Removal Reagent for Reverse Osmosis Membrane Pretreatment
Ecolab USA Inc.
0 cites
US121220142024
Replacing Tool for Sponge Brush, Method for Installing Sponge Brush, and Semiconductor Chemical Mechanical Polishing Apparatus
CHANGXIN MEMORY TECHNOLOGIES, Inc.
0 cites