Assignee
DONG A FLEXIBLE METAL TUBES CO LTD
KR·3 granted patents·1 pending application·1 citations·filing 2018–2025
Top patents by PatentIndex Score
4 records- 0156US11306850B2Connecting device for corrugated pipe and coupling method thereofDONG A FLEXIBLE METAL TUBES CO LTD·Filed 2018·Granted Apr 19, 2022·1 cites·5 claims
- 0252US11644135B2Connecting device for corrugated pipe and coupling method thereofDONG A FLEXIBLE METAL TUBES CO LTD·Filed 2022·Granted May 9, 2023·0 cites·13 claims
- 0345US2025369543A1Flexible pipe connector and manufacturing method thereforDONG A FLEXIBLE METAL TUBES CO LTD·Filed 2025·Application pending·0 cites
- 0438US11648598B2Corrugated pipe forming apparatusDONG A FLEXIBLE METAL TUBES CO LTD·Filed 2021·Granted May 16, 2023·0 cites·17 claims
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