| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Belgium | 1 | |
| #6 | Switzerland | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hermsen Manfred | 8 |
| Publication | Filing date | Title |
|---|---|---|
| DE102017002943A1 | Device for preparing a filter coffee beverage | |
| DE2523934B1 | Filter device to make coffee - has floating impingement body attached at small distance from filter surface | |
| CA964877A | Filter device for producing filtered coffee beverages |