| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Denmark | 1 | |
| #6 | Japan | 1 | |
| #7 | Netherlands | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Packaging and shipping | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Chemical or physical processes | |
| #4 | Shaping of plastics | |
| #5 | Packaging | |
| #6 | Separating solids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hankammer Heinz | 5 |
| #2 | Hankammer H | 1 |
| #3 | Haintsu Hankamumaa | 1 |
| #4 | Usinger Walter | 1 |
| #5 | Heinz Hankammer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2947173A1 | Water purificn. appliance - with inlet and outlet at same level in screwed headpiece | |
| DE2925492A1 | Water purification appliance - with spiral partition in flat cylindrical container | |
| DE2231040A1 | AUTOMATIC DOSING AND FILLING DEVICE | |
| DE2220656A1 | Fine plastic sieve - made without moulding fine apertures | |
| NL170943B | Device for water cleaning. |