| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 30 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Consumer goods | |
| #3 | Materials and metallurgy | |
| #4 | Chemical engineering | |
| #5 | Machines | |
| #6 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Smoke generating devices | |
| #2 | Live-saving devices | |
| #3 | Preservation of human bodies | |
| #4 | Non-metallic elements | |
| #5 | Explosive charges | |
| #6 | Armour | |
| #7 | Separation | |
| #8 | Ammonia or cyanogen | |
| #9 | Building materials | |
| #10 | Nitrogenous fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stoltzenberg Dr Hugo | 14 |
| #2 | Leuschner Martin | 3 |
| #3 | Wiesner Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE329321C | Process for the production of a nutritional base |