Assignee
XU ZHEFENG
CN·2 granted patents·0 citations·filing 2009–2012
Top patents by PatentIndex Score
2 records- 0145US8742000B2Preparation method of hot dip galvanized sheet anti-corrosive treatment agent of environmental protectiveXU ZHEFENG·Filed 2009·Granted Jun 3, 2014·0 cites·15 claims
- 0239US9181447B2Metal protection coating, hot-dip Zn metallic material and hot-dip Al—Zn metallic material using the sameXU ZHEFENG·Filed 2012·Granted Nov 10, 2015·0 cites·16 claims
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