Assignee
CHEN AIMIN
CN·4 granted patents·2 citations·filing 2017–2021
Top patents by PatentIndex Score
4 records- 0186US11499390B2Sealing assembly for dissolvable bridge plug, a dissolvable bridge plug and a sealing method for gapCHEN AIMIN·Filed 2021·Granted Nov 15, 2022·2 cites·20 claims
- 0242US10533391B2Reducing support ring for bridge plug and bridge plugCHEN AIMIN·Filed 2017·Granted Jan 14, 2020·0 cites·18 claims
- 0341US10487617B2Central shaft for bridge plug, bridge plug and setting method for the sameCHEN AIMIN·Filed 2017·Granted Nov 26, 2019·0 cites·32 claims
- 0439US11608714B2Switch sliding sleeve device for oil-gas exploitation and switching method thereof, oil-gas exploitation tool and switching method of wall through hole thereofCHEN AIMIN·Filed 2020·Granted Mar 21, 2023·0 cites·19 claims
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