| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 20 | |
| #2 | Switzerland | 6 | |
| #3 | Austria | 5 | |
| #4 | Denmark | 5 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Punching metal | |
| #3 | Burners | |
| #4 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stuebgen Co Fr | 6 |
| #2 | Schroeder Josef | 1 |
| #3 | Schroeder Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE626534C | Storm lantern that can be used as a vehicle tail light | |
| DE612816C | Lantern provided with a protective cage, especially a storm lantern |