| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Switzerland | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Cycle accessories | |
| #3 | Non-portable lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Quast Co | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB217597A | Improvements in magneto-electric machines for velocipede lighting | |
| DE400308C | Fastening device for vehicle lights, especially electric bicycle lights |