| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 84 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Audio-visual technology | |
| #4 | Materials and metallurgy | |
| #5 | Medical technology | |
| #6 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Skaupy Dr Franz | 14 |
| #2 | Weissenberg Gustav Josef | 5 |
| #3 | Weissenberg Gustav J | 3 |
| #4 | Dipl-Ing Dr Phil Dr Techn Jose | 1 |
| #5 | Weissenberg Dipl-Ing Gustav | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE744460C | Method for producing quartz threads |