| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | China | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Italy | 3 | |
| #5 | India | 1 | |
| #6 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Cycles | |
| #2 | Clutches and brakes | |
| #3 | Shafts | |
| #4 | Metal-working | |
| #5 | Gearing | |
| #6 | Unspecified technologies | |
| #7 | Making forged metal products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thun Alfred Heinrich | 12 |
| #2 | Alfred Heinrich Thun | 2 |
| #3 | Heinrich Thun Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3838837A1 | Method of producing a freewheel for bicycles | |
| DE3837799A1 | Method of manufacturing a freewheel for bicycles | |
| DE3803889A1 | METHOD FOR PRODUCING THE OUTER RING BODY OF A FREEWHEEL FOR BICYCLES | |
| DE3531030A1 | Bottom bracket ball bearing for bicycles | |
| YU67085A | Bearing for bicycle pedal | |
| DE3441540A1 | CRANKSHAFT BEARING FOR BICYCLES | |
| DE3418499C1 | Pedal crank bearing for bicycles |