| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Austria | 4 | |
| #3 | France | 3 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Portable lighting devices | |
| #3 | Candles | |
| #4 | Non-portable lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birmelin Hermann | 8 |
| #2 | Hermann Birmelin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2256133A1 | Even-burning economy candle - with glass cup filled with wax and protrude-ing above rim of supporting cylinder with wax coating | |
| DE1962049A1 | Long life church or namental candle |