Assignee
SONG YUQUAN
CN·2 granted patents·3 citations·filing 2005–2011
Top patents by PatentIndex Score
2 records- 0160US8082771B2Adjustable hydraulic press with both upper and lower double actionSONG YUQUAN·Filed 2005·Granted Dec 27, 2011·3 cites·10 claims
- 0234US9163361B2Welding structure with double-inclined surface of no bumping and no vibration seamless rail with high load-bearing capabilitySONG YUQUAN·Filed 2011·Granted Oct 20, 2015·0 cites·12 claims
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