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US 8,006,438 B2Granted
Non clogging screen
OwnerEdward A. Higginbothaminventor
Life of this patent
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Abstract
A filter assembly includes a filtering screen having a top surface and a bottom surface. A skeletal structure is attached to the filtering screen and has a top surface and a bottom surface. The bottom surface of the filtering screen contacts the top surface of the skeletal structure. The skeletal structure forms a plurality of downward extending channels.
Claims14
A filter assembly, comprising:
- a filtering membrane having a top surface and a bottom surface, the filtering membrane comprising junctured threads;
- and
- a perforated skeletal structure attached to the filtering membrane and having a top surface and a bottom surface, the bottom surface of the filtering membrane contacting the top surface of the skeletal structure,
- wherein the skeletal structure forms a plurality of crimped downward extending channels,
- wherein the filter membrane extends into the crimped downward extending channel and the filter membrane and the skeletal structure contact each other within the channel.
2 more elements
Dependencies are inferred from the claim text.