Assignee
GUANGZHOU JST SEALS TECH CO LTD
CN·3 granted patents·2 citations·filing 2019–2023
Top patents by PatentIndex Score
3 records- 0180US12104459B2Seal for repeatedly switchable stepless fracturing sliding sleeveGUANGZHOU JST SEALS TECH CO LTD·Filed 2023·Granted Oct 1, 2024·2 cites·9 claims
- 0249US12352125B2Combined sealing member for coiled tubing blowout preventer boxGUANGZHOU JST SEALS TECH CO LTD·Filed 2023·Granted Jul 8, 2025·0 cites·8 claims
- 0346US11112039B2Slip sealing structureGUANGZHOU JST SEALS TECH CO LTD·Filed 2019·Granted Sep 7, 2021·0 cites·18 claims
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