Assignee
CHU GUANNAN
CN·2 granted patents·0 citations·filing 2022–2022
Top patents by PatentIndex Score
2 records- 0152US12257617B2Preforming method for high-strength steel variable-diameter tubular partCHU GUANNAN·Filed 2022·Granted Mar 25, 2025·0 cites·9 claims
- 0251US12318971B2Mold for partially shortening circumference of tube billet and using method of moldCHU GUANNAN·Filed 2022·Granted Jun 3, 2025·0 cites·12 claims
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