Assignee
SHENZHEN HANQINGDA TECH CO LTD
CN·1 granted patent·6 pending applications·0 citations·filing 2022–2024
Top patents by PatentIndex Score
7 records- 0154US2024367273A1Pressing apparatus for electronic cigarette cartridge decorative ringSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0253US2024423291A1Auxiliary apparatus for e-liquid transportation and injectionSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0346US2024373938A1Electronic cigarette with adjustable airflow suction resistanceSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0443US2024373916A1Electronic cigarette cartridge with liquid leakage prevention structureSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0543US2024391034A1Visual laser engraving machineSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0640US12557849B2Electronic cigarette with suction resistance adjusting functionSHENZHEN HANQINGDA TECH CO LTD·Filed 2022·Granted Feb 24, 2026·0 cites·8 claims
- 0736US2025212961A1Atomization device with stable pressure relief and suctionSHENZHEN HANQINGDA TECH CO LTD·Filed 2024·Application pending·0 cites
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