Assignee
ZENG XIANGWEI
CN·2 granted patents·1 pending application·4 citations·filing 2006–2022
Top patents by PatentIndex Score
3 records- 0168US8740176B2Driving and adjusting device of passive shuttle-type shut-off valveZENG XIANGWEI·Filed 2011·Granted Jun 3, 2014·4 cites·5 claims
- 0238USD1088409SMaskZENG XIANGWEI·Filed 2022·Granted Aug 19, 2025·0 cites·1 claims
- 0334US2007144340A1Adjustable Differential Flow Shuttle Valve Control SystemZENG XIANGWEI·Filed 2006·Application pending·0 cites
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