| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | United States | 5 | |
| #3 | Canada | 3 | |
| #4 | China | 3 | |
| #5 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Medical technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Operating tables | |
| #3 | Physical therapy devices | |
| #4 | Household appliances | |
| #5 | Hinges for doors or windows | |
| #6 | Office furniture | |
| #7 | Indexing scheme relating to hinges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Du Chuankui | 20 |
| Publication | Filing date | Title |
|---|---|---|
| US2020015595A1 | Foldable massage chair with front and back support legs | |
| WO2018172828A1 | Foldable massage chair with triangular support configuration | |
| WO2018172829A1 | Adjustable and collapsible support bed or table | |
| CN107106390A | Support frame and structure | |
| CN107105890A | Hinge member and the folding structure comprising the hinge member |