| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | Netherlands | 2 | |
| #3 | Belgium | 1 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Computer technology | |
| #4 | Optics | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Household appliances | |
| #3 | Shaping clay | |
| #4 | General building constructions | |
| #5 | Counting mechanisms | |
| #6 | Manufacturing processes | |
| #7 | Processing photographic materials | |
| #8 | Gearing | |
| #9 | Spraying devices | |
| #10 | Special furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engel Emil | 7 |
| #2 | Emil Engel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL166847B | Device for preparing irish coffee. |