| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Medical technology | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Vehicle connections | |
| #3 | Operating tables | |
| #4 | Motor vehicles | |
| #5 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dvorak Andrew | 5 |
| #2 | Johnson Dan | 5 |
| #3 | Holtan Paul | 4 |
| #4 | Dvorak Andrew L | 4 |
| #5 | Holtan Paul D | 2 |
| #6 | Maurer Balz | 1 |
| #7 | Wolter Fabian | 1 |
| #8 | Huttner James | 1 |
| #9 | Wiff James W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2015183449A1 | Utility machine with dual-mode steering | |
| CA2912396A1 | Devices relating to multifunctional aircraft aisle wheelchair | |
| CA2674932A1 | Cart transporting apparatus | |
| US2006273547A1 | Hitch assembly |