| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Japan | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Gearing | |
| #3 | Vehicle tyre repairing | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deal Michel | 10 |
| #2 | Mishieru Deiiru | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB8333142D0 | Variable diameter transmission wheel | |
| EP0112112A1 | Variable ratio transmission | |
| FR2476256A1 | Transmission wheel with variable diameter |