| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Australia | 2 | |
| #5 | Norway | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Medical technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Daniel T | 13 |
| #2 | Holtan Paul D | 11 |
| #3 | Johnson Daniel | 2 |
| #4 | Whiff James W | 2 |
| #5 | Wiff James W | 1 |
| #6 | Dominquez Stephen | 1 |
| #7 | Schugt William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2005037624A2 | Cart coupler assembly for cart collection machines | |
| WO2005030555A2 | Power assisted cart retriever with attenuated power output | |
| AU2004236214A1 | Cart mover | |
| WO03070143A2 | Patient transfer and transport device | |
| US5934694A | Cart retriever vehicle |