| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United States | 3 | |
| #3 | France | 2 | |
| #4 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Non-positive-displacement pumps | |
| #3 | Unspecified technologies | |
| #4 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tunze Norbert | 10 |
| Publication | Filing date | Title |
|---|---|---|
| DE3724219A1 | Synchronous motor | |
| DE3520362A1 | Aquarium pump | |
| DE3235961A1 | EVAPORATION PROBE FOR AQUARIUM | |
| DE3234473A1 | Supporting device for parts of an aquarium filter unit | |
| US4311588A | Filter for use with an aquarium | |
| DE2908456A1 | FILTER HOUSING FOR AQUARIUM FILTER | |
| DE2831821A1 | FILTER HOUSING FOR AQUARIUM FILTER | |
| US4187053A | Centrifugal pump |