Sewage tank
US-D1112601-S · Feb 10, 2026 · US
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Yi Zuowei patents
Yi Zuowei is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yi Zuowei |
| Total patents | 18 |
| First publication | Sep 23, 2021 |
| Latest publication | Feb 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Cleaning filter
US-D1112602-S · Feb 10, 2026 · US
Water tank
US-D1112600-S · Feb 10, 2026 · US
Cleaning module
US-D1071417-S · Apr 15, 2025 · US
Draw bar
US-D1059037-S · Jan 28, 2025 · US
Prompt method and device for refrigerator and refrigerator
US-12181212-B2 · Dec 31, 2024 · US
Brush head
US-D1048726-S · Oct 29, 2024 · US
Brush head
US-D1048725-S · Oct 29, 2024 · US
Delivery control method, delivery control device and delivery device
US-12124250-B2 · Oct 22, 2024 · US
Brush head
US-D1047461-S · Oct 22, 2024 · US
Recent patents
Latest publications not already listed above.
Prompt method and device for refrigerator and refrigerator
US-2022325944-A1 · Oct 13, 2022 · US
Delivery control method, delivery control device and delivery device
US-2022326698-A1 · Oct 13, 2022 · US
Method and apparatus for video recommendation, and refrigerator with screen
US-2022321963-A1 · Oct 6, 2022 · US
Control method and device for equipment and refrigerator
US-11336480-B2 · May 17, 2022 · US
Refrigerator
US-11324315-B2 · May 10, 2022 · US
Method and device for controlling water heater, water heater
US-2021404680-A1 · Dec 30, 2021 · US
Refrigerator
US-2021401171-A1 · Dec 30, 2021 · US
Control method and device for equipment and refrigerator
US-2021297281-A1 · Sep 23, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Haier Smart Home Co Ltd | 18 |
| Qingdao Haigao Design Manufacture Co Ltd | 10 |
| Qingdao Haier Innovation Technology Co Ltd | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F25D29/00 | 4 |
| F25D29/005 | 3 |
| H04W4/80 | 2 |
| F25D2400/32 | 2 |
| H04L67/125 | 2 |