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US 7,067,056 B2Granted
Water filter with integrated treatment media
AssigneeThornbury Investments, Inc.
InventorJeffrey W. Collins
Life of this patent
Estimating the term…
Abstract
For use in a pool or spa, the combination comprising, filter structure in the path of pool or spa water flow, substance in direct contact with a surface or surfaces of said filter structure, to contact said flow, said substance characterized as being one of the following: i) bacteria inhibiting ii) an algaecide iii) an algaestat iv) a sanitizer v) a bacteriostat
Claims12
A combination for use in a pool or spa, comprising:
- a) filter structure in the path of pool or spa water flow, said structure having pleats
- b) substance in direct contact with or integral with a surface or surfaces of said filter structure, to contact said flow,
- c) said substance characterized as being one of the following:
- i) bacteria inhibiting
- ii) an algaecide
- iii) an algaestat
- iv) a sanitizer
- v) a bacteriostat
- d) said substance having the form of a coating on said filter structure surface or surfaces,
- e) said filter structure including
- x1)a perforate tube in the filter structure interior to receive and pass filtered water,
- x2) a pleated filter element extending about said tube,
- said substance coated on both said tube and filter element,
- f) said filter structure having a cover plate in flow passing registration with said perforate tube, said substance coated on said cover plate, in endwise facing alignment with filter element pleats also extending endwise;
- whereby said substance is also outside the filter but contacts some of said flow.
12 more elements
Dependencies are inferred from the claim text.