Assignee
WENG YEFAN
CN·3 granted patents·7 citations·filing 2009–2011
Top patents by PatentIndex Score
3 records- 0168US8702483B2Assembly of pipe unit and pipe hood for ventilating fanWENG YEFAN·Filed 2009·Granted Apr 22, 2014·7 cites·18 claims
- 0243US9347464B2Heating and ventilation fan for bathroomWENG YEFAN·Filed 2011·Granted May 24, 2016·0 cites·19 claims
- 0340US9541297B2Heating ventilator for bathroomWENG YEFAN·Filed 2011·Granted Jan 10, 2017·0 cites·3 claims
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