| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 25 | |
| #2 | Germany | 6 | |
| #3 | Switzerland | 4 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Non-portable lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koechert Helmut | 8 |
| #2 | Helmut Koechert | 2 |
| #3 | Musil Josef | 2 |
| #4 | Stephan Hubmayr | 1 |
| #5 | Fruehauf Karl | 1 |
| #6 | Hubmayr Stephan | 1 |
| #7 | Hubmayr Stephan Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1622001A1 | lamp | |
| DE1597907A1 | Holding device for prismatic or similar hollow dispersion glasses on light source covers | |
| DE1497273A1 | Light source cover using lined up prismatic or similar hollow dispersion glasses | |
| DE1497270A1 | Light source covers and apparatus for their manufacture | |
| DE1497268A1 | Light source cover |