Assignee
Qingdao sanyi plastic machinery co ltd
CN·2 granted patents·1 pending application·1 citations·filing 2017–2020
Top patents by PatentIndex Score
3 records- 0174US10633503B2Composition for producing foamed layer of sheet, sheet containing the same, and production method thereofQingdao sanyi plastic machinery co ltd·Filed 2017·Granted Apr 28, 2020·1 cites·14 claims
- 0240US11384481B2Calender, and floor production line and production methodQingdao sanyi plastic machinery co ltd·Filed 2020·Granted Jul 12, 2022·0 cites·16 claims
- 0338US2019016024A1Calender, production line for foamed floor, and once-forming process for producing foamed floorQingdao sanyi plastic machinery co ltd·Filed 2017·Application pending·0 cites
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