| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | China | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Medical technology | |
| #3 | Mechanical elements | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Clutches and brakes | |
| #3 | Hand carried bags | |
| #4 | Operating tables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamara Steven | 10 |
| #2 | Yang Michael | 9 |
| #3 | Sarokhan Joseph | 4 |
| #4 | Joseph Sarokhan | 1 |
| #5 | Michael Yang | 1 |
| #6 | Steven Kamara | 1 |
| #7 | Follette David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2014021006A1 | Handtruck with lcd interface | |
| US2010032911A1 | Stair-Climbing Wheeled Vehicle | |
| CA2677620A1 | Stair-climbing wheeled vehicle | |
| CN101622169A | Stair-climbing wheeled vehicle | |
| US2008265529A1 | Foldable spider wheel for ascending and descending stairs | |
| CA2644990A1 | Stairclimbing and descending hand truck |