| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Germany | 3 | |
| #3 | Denmark | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Austria | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Cycles | |
| #3 | Gearing | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zesar A-G Neue | 2 |
| #2 | Musy Paul | 1 |
| #3 | Lauper Werner | 1 |
| #4 | Berger Charles | 1 |
| #5 | Murbach Otto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB552668A | Speed change gear | |
| GB552860A | Speed change gear | |
| GB552859A | Speed change gear | |
| DE749548C | Speed change transmission | |
| DE726765C | Frame tube for bicycles with welded or hard-soldered frame | |
| GB502818A | Change-speed gear especially suitable for bicycles | |
| DE673194C | Speed change transmission with constantly engaged gears, especially for bicycles |