| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | China | 3 | |
| #4 | United States | 3 | |
| #5 | Hong Kong | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Furniture and games | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Devices for public amusement | |
| #2 | Shaping of plastics | |
| #3 | Wood working | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grubb Fred | 15 |
| #2 | Schilke Alan | 15 |
| #3 | Bachtar Dody | 6 |
| #4 | Schilke Alan A | 2 |
| #5 | Grubb Fred F | 2 |
| #6 | Bachtar Dody D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN104284702A | Stacked rolling vehicle track | |
| EP3231493A1 | Improved rolling vehicle track | |
| CN104958910A | Improved rolling vehicle track | |
| EP2475441A1 | Improved rolling vehicle track |