Assignee
CHENGDU BEST DIAMOND BIT CO LTD
CN·5 granted patents·1 pending application·6 citations·filing 2014–2022
Top patents by PatentIndex Score
6 records- 0173US10947786B2Roller reamer with mechanical face sealCHENGDU BEST DIAMOND BIT CO LTD·Filed 2017·Granted Mar 16, 2021·2 cites·20 claims
- 0270US10000973B2Reamer for use in drilling operationsCHENGDU BEST DIAMOND BIT CO LTD·Filed 2014·Granted Jun 19, 2018·4 cites·13 claims
- 0360US11125018B2Reamer cutting insert for use in drilling operationsCHENGDU BEST DIAMOND BIT CO LTD·Filed 2019·Granted Sep 21, 2021·0 cites·16 claims
- 0451US11230889B2Trimodal reamer for use in drilling operationsCHENGDU BEST DIAMOND BIT CO LTD·Filed 2019·Granted Jan 25, 2022·0 cites·19 claims
- 0546US2023366273A1Dual Angle Wedge Retention SystemCHENGDU BEST DIAMOND BIT CO LTD·Filed 2022·Application pending·0 cites
- 0643US10066440B2Reamer for use in drilling operationsCHENGDU BEST DIAMOND BIT CO LTD·Filed 2014·Granted Sep 4, 2018·0 cites·14 claims
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