| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Gearing | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Motor vehicles | |
| #6 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Braedt Henrik | 15 |
| #2 | Lauer Wolfgang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008231014A1 | Bicycle multi-gear cassette | |
| DE102005047870A1 | Rope pulling device connectible to similar unit, e.g. for exercise against partner, has drive motor, adjustable clutch, torque transmission mechanism and arrangement to measure length of free portion of rope |