Composite sock filter for aquariums
US8262907B1 · kind B1 · utility
3Cited by
24References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Jan 13, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/27
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed are vertical sock filters for aquarium filter assemblies. The sock filters typically include an annular collar coupled to filter material. The filter material typically is a composite material that includes upper material and lower material, where the upper material typically is more porous than the lower material. The assembly and the annular collar may include respective first and second coacting components that mate or interlock with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.