Pump-assisted gravel vacuum
US8534229B2 · kind B2 · utility
1Cited by
18References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2011 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Dec 23, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K63/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A vacuum device for an aquarium is disclosed. The device comprising a tube having a pump contained therein. The pump utilizes a ring-shaped rotor with interior vanes for impelling water through the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.