| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 | |
| #4 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Cycle accessories | |
| #2 | Dynamo-electric machines | |
| #3 | Operating tables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coulon Pierre | 1 |
| #2 | Casteran Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB708843A | Combined hub and dynamo for bicycles, tandem bicycles and the like | |
| GB668120A | Dynamo driving arrangement with speed increasing means chiefly for bicycles, tandem bicycles and the like | |
| CA484554A | Hub incorporating a dynamo for bicycles and the like manpower propelled vehicles |