| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Norway | 1 | |
| #12 | Sweden | 1 | |
| #13 | United States | 1 |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berclaz Rene-Louis | 8 |
| #2 | Fontannaz Robert | 5 |
| #3 | Robeeru Fuontana | 1 |
| #4 | Runeerui Berukuratsu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH670429A5 | Variable geometry crank gear for bicycle - has oscillating pedal arm connected to main arm by parallelogram linkage and driven by satellite pinion | |
| DE2727084A1 | BICYCLE BOTTOM BRACKETS WITH CHANGING GEOMETRY | |
| CH608753A5 | Variable-geometry pedal mechanism for a bicycle | |
| CH598050A5 | Variable radius bicycle pedal crank |