| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Walking sticks | |
| #3 | Office furniture | |
| #4 | Special furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frankel Andrew David | 15 |
| #2 | Zheng Tian-Xia | 15 |
| #3 | Zheng Shi-Ping | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2021112986A1 | Type of simple folding chair | |
| US2021022508A1 | Horizontal-moving & rocking appliance and rocking chair | |
| US2020275770A1 | Folding company | |
| US2020046129A1 | Type of universal side basket for foldable chairs | |
| US2019365104A1 | Portable directors chair | |
| US2019313797A1 | Spring-loaded leg base | |
| US2019313799A1 | Foldable director chair | |
| US2019090641A1 | Flat folding chair | |
| US2019125082A1 | Chair surface for folding chairs | |
| US2019045931A1 | Foldable chair frame | |
| US2018295981A1 | Vertical folding shelf | |
| US2018317656A1 | Folding chair | |
| US2018192751A1 | Cantilever umbrella | |
| US2018027970A1 | Folding chair with back rest | |
| US2017119160A1 | Flat folding chair |