| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Canada | 3 | |
| #3 | Italy | 3 | |
| #4 | Japan | 3 | |
| #5 | United States | 3 | |
| #6 | Germany | 2 | |
| #7 | France | 2 | |
| #8 | United Kingdom | 2 | |
| #9 | Netherlands | 2 | |
| #10 | Sweden | 2 | |
| #11 | Switzerland | 1 | |
| #12 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccoin Dan K | 10 |
| #2 | Mccoin D K | 4 |
| #3 | Dan Kee Matsukoin | 3 |
| #4 | Mccoin Jan K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4322798A | Traction pressure control system | |
| AU4398979A | Traction pressure control system | |
| IT7821889D0 | Tension controlled linear drive unit - has low torque and adjustable friction drives determining velocity ratio (NL 17.10.78) | |
| JPS53129766A | Speed change gear | |
| CH617757A5 | Variable-ratio transmission | |
| US4192201A | Traction controlled in-line transmission | |
| US4192200A | Variable ratio gear transmission |