| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | France | 3 | |
| #3 | Austria | 2 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Materials and metallurgy | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Clutches and brakes | |
| #3 | Working metallic powder |
| # | Name | Total Patents |
|---|---|---|
| #1 | G Magus A | 5 |
| #2 | Lienhard Fritz | 1 |
| #3 | Fritz Lienhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB658463A | Improved pedal gear, especially for a bicycle or like vehicle | |
| DE826832C | Pedal crank gear, especially for bicycles | |
| US2326235A | Tread crank mechanism, particularly for cycles |