US2014360617A1PendingUtilityA1

Liquid waste treatment apparatus

Assignee: PRESBY PATENT TRUSTPriority: May 24, 2005Filed: Aug 25, 2014Published: Dec 11, 2014
Est. expiryMay 24, 2025(expired)· nominal 20-yr term from priority
Inventors:David W. Presby
Y02W10/10F16L 9/14E03F 1/002E03F 2003/065C02F 3/288E03F 3/04B01D 39/02B01D 29/23B01D 2239/065E03F 3/06C02F 3/2826B01D 2201/0415C02F 3/02B01D 39/083B01D 29/27B01D 29/31
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Claims

Abstract

A fluid conduit with layered and partial covering material thereon is disclosed. The fluid conduit may be used for processing and treatment of fluids which must be treated to remove materials so that the resultant treated fluid may be reused and/or returned to the earth and particularly to the water table. The fluid conduit may be of many forms and types and may have attached thereto and configured thereon covering material in partial form and a selected number of layers. The fluid conduit may be a septic pipe of smooth wall, of corrugated form, and/or of any form of cross-sectional configuration including circular, elliptical, rectangular, triangular, or any other geometric shape. The fluid conduit may be used in combination with conduit in a drainage field or leaching system usually associated with a septic tank or septic system.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . An apparatus comprising:
 a conduit having an interior and an exterior, the conduit comprising a sidewall portion defining one or more passageways;   a fabric layer at least partially surrounding the exterior of the conduit; and   a layer of coarse material disposed adjacent to the fabric layer.

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