| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 5 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Melitta-Werke A-G | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB451197A | Filter paper for filtering apparatus in cup form | |
| DE640946C | Filter bag in cup shape | |
| DE626609C | Bowl holder | |
| GB400077A | Improvements in or relating to filtering devices | |
| DE635095C | Filter vessel in cup shape | |
| DE638773C | Cup-shaped filter paper | |
| DE645282C | Base with suction cup holder and a flexible, liquid absorbent insert for vessels of all kinds |