Inventor · disambiguated record
Rongfeng Cheng
Also filed as: CHENG RONGFENG
5 granted patents·1 pending application·23 citations·filing 2011–2020
72Inventor score
Files withQINGDAO HAIER DRUM WASHING MACHINE CO LTD2QINGDAO HAIER WASHING MACH CO2QINGDAO JIAONAN HAIER WASHING MACHINE CO LTD1SHU HAI1
Top patents by PatentIndex Score
6 records- 0188US9255732B2Vacuum heat pump clothes drying method and dryerSHU HAI·Filed 2011·Granted Feb 9, 2016·18 cites·7 claims
- 0281US11028524B2Positive-negative-rotation fan for clothes dryer, and clothes dryerQINGDAO HAIER WASHING MACH CO·Filed 2017·Granted Jun 8, 2021·3 cites·10 claims
- 0376US11898573B2Centrifugal fan and clothing dryerQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2020·Granted Feb 13, 2024·1 cites·10 claims
- 0456US11808280B2Centrifugal fan and clothing dryerQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2020·Granted Nov 7, 2023·0 cites·14 claims
- 0556US10017896B2Control panel for clothes dryer and clothes dryerQINGDAO JIAONAN HAIER WASHING MACHINE CO LTD·Filed 2014·Granted Jul 10, 2018·1 cites·11 claims
- 0638US2019203406A1DryerQINGDAO HAIER WASHING MACH CO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →