Inventor · disambiguated record
Yefan Weng
Also filed as: WENG YEFAN
7 granted patents·20 citations·filing 2009–2014
75Inventor score
Top patents by PatentIndex Score
7 records- 0179US9194603B2Heating and ventilating fanYUAN HONGJIAN·Filed 2012·Granted Nov 24, 2015·13 cites·13 claims
- 0268US8702483B2Assembly of pipe unit and pipe hood for ventilating fanWENG YEFAN·Filed 2009·Granted Apr 22, 2014·7 cites·18 claims
- 0351US10451076B2Ventilating fanPANASONIC ECO SYS GUANGDONG CO·Filed 2014·Granted Oct 22, 2019·0 cites·7 claims
- 0449US10240614B2Ventilation fanPANASONIC ECO SYS GUANGDONG CO·Filed 2014·Granted Mar 26, 2019·0 cites·7 claims
- 0547US9863437B2Ventilating fanPANASONIC ECO SYS GUANGDONG CO·Filed 2014·Granted Jan 9, 2018·0 cites·9 claims
- 0643US9347464B2Heating and ventilation fan for bathroomWENG YEFAN·Filed 2011·Granted May 24, 2016·0 cites·19 claims
- 0740US9541297B2Heating ventilator for bathroomWENG YEFAN·Filed 2011·Granted Jan 10, 2017·0 cites·3 claims
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