| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Spain | 5 | |
| #3 | Austria | 4 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Lighting device details | |
| #3 | Batteries |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zeiler Max | 11 |
| #2 | Max Zeiler | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA239411A | Electric pocket lamp | |
| CA215477A | Manufacture of dry batteries |