Power unit for aquarium filter assembly
US4735715A · kind A · utility
36Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1986 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Sep 22, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K63/047
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An aquarium filter assembly having a filter box with an impeller unit. An encapsulated electromagnetic power unit is removably coupled to the filter box for driving the impeller unit. The power unit is thermally separated from the filter box to prevent damage to the filter box as a result of the heat generated by the power unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.