| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Audio-visual technology | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Physical therapy devices | |
| #2 | Operating tables | |
| #3 | Unspecified technologies | |
| #4 | Chairs and beds | |
| #5 | Sanitary equipment | |
| #6 | Hand carts | |
| #7 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Liu Julian | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2012043739A1 | Foldable walker apparatus | |
| US2012133106A1 | Foldable walker apparatus | |
| US2012299272A1 | Foldable walker apparatus | |
| US2012233767A1 | Bath chair | |
| US2012104710A1 | Foldable walker apparatus | |
| US2010083994A1 | Foldable walker apparatus | |
| US7043742B1 | Protective cover for a data storage disc and method of use |