| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 18 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Foods and drinks | |
| #3 | Control | |
| #4 | Consumer goods | |
| #5 | Electrical machinery and energy | |
| #6 | Chemical engineering | |
| #7 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Refrigerators | |
| #2 | Food preservation | |
| #3 | Cocoa and sweets | |
| #4 | Ice-boxes | |
| #5 | Systems controlling non-electric variables | |
| #6 | Pumps | |
| #7 | Drying solid materials by removing liquid | |
| #8 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neunert Paul | 14 |