Inventor · disambiguated record
Yuanyuan Chang
Also filed as: CHANG YUANYUAN
5 granted patents·6 pending applications·4 citations·filing 2015–2023
65Inventor score
Files withQINGDAO HAIER DRUM WASHING MACHINE CO LTD8MEEDEN ART SUPPLY CO LTD2QINGDAO HAIER WASHING MACH CO1
Top patents by PatentIndex Score
11 records- 0167US10648123B2Heating control method of a multi-drum washing machineQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2015·Granted May 12, 2020·1 cites·19 claims
- 0261USD1022373SCartMEEDEN ART SUPPLY CO LTD·Filed 2023·Granted Apr 9, 2024·3 cites·1 claims
- 0355US2025040694A1Water-changing Brush WasherMEEDEN ART SUPPLY CO LTD·Filed 2023·Application pending·0 cites
- 0446US10570545B2Control method of a double-drum washing machineQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2015·Granted Feb 25, 2020·0 cites·10 claims
- 0542US2021148030A1Laundry treatment equipmentQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2018·Application pending·0 cites
- 0642US2021148029A1Clothing treating deviceQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2018·Application pending·0 cites
- 0742US2019368098A1Integrated laundry care machine and operating method thereofQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2017·Application pending·0 cites
- 0841US10947656B2Replenishment control method of a multi-drum washing machineQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2015·Granted Mar 16, 2021·0 cites·15 claims
- 0940US2019194860A1Washing and drying integrated machine and control methodQINGDAO HAIER WASHING MACH CO·Filed 2017·Application pending·0 cites
- 1039US10233582B2Control method of dual-drum washing machineQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2015·Granted Mar 19, 2019·0 cites·15 claims
- 1136US2017321364A1Multi-drum washing machine and drainage control methodQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yuanyuan Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →