| Patent Number |
Title Of Patent |
Date Issued |
| D483836 |
Biofilter treatment module |
December 16, 2003 |
|
| 6890433 |
System for treating wastewater |
May 10, 2005 |
| A wastewater treatment system includes a septic tank having a discharge in flow communication with one or more biofilter containers having filter media therein. Wastewater or effluent from the septic tank is allowed to trickle downwardly through the filter media and each container includ |
| 6841066 |
Filtration device for a waste water treatment system |
January 11, 2005 |
| A filter and housing (10) for waste water treatment includes a housing (10) having a plurality of coaxially mounted vertically extending sections adaptable to receive a filter cartridge therein. An upper section (12) is provided with an outlet consisting of at least two coaxially aligned |
| 6772789 |
Flow leveling device |
August 10, 2004 |
| A flow leveling device for use in a liquid distribution system that can be attached to the end of a conduit The device has an eccentrically placed opening on the face of the device whose vertical position can be varied so as to equalize the flow of liquid dispersed from a central point. |
| 6749743 |
Fuel diverter for a recirculating wastewater treatment system |
June 15, 2004 |
| A device for diverting the flow of liquid in a wastewater treatment system in flow communication with effluent returning from a recirculating treatment section and in flow communication with a discharge line for removing a portion of treated effluent to a receiving body. The device a |
| 6749367 |
Orifice shield for a drainage conduit in a wastewater treatment drain field |
June 15, 2004 |
| An orifice shield for a wastewater drainage conduit is an injection molded unitary body which is cylindrically-shaped with a first open end and an opposed second open end. The body is provided with a top wall and rounded sidewalls extending from the top wall. At least one flow through sl |
| 6540912 |
Aerobic polishing system for wastewater |
April 1, 2003 |
| An aerobic treatment system for wastewater is disclosed herein. The aerobic treatment system is comprised of a basin, which receives wastewater through an inlet pipe, the inlet pipe depositing the untreated wastewater to the lower portion of the basin. The wastewater must then flow from |
| 6478957 |
Filtering apparatus for a wastewater treatment tank |
November 12, 2002 |
| A filtering apparatus of T-shaped configuration includes a vertically extending filter element receiving tube and a horizontally extending outlet conduit portion. A removable tubular filtering element having a flexible seal surrounding the outer surface of the filter element at a low |
| 6360898 |
Filtration device for a waste water treatment system |
March 26, 2002 |
| A filter and housing for waste water treatment includes a housing having a plurality of coaxially mounted vertically extending sections adaptable to receive a filter cartridge therein. An upper section is provided with an outlet consisting of at least two coaxially aligned rings of prese |
| 6338797 |
Filter device for wastewater treatment system |
January 15, 2002 |
| A two-piece filtering device for wastewater filtering systems is disclosed wherein the two-piece system is inserted into a tubular casing. The two-piece filtering system is comprised of an outer sleeve filter and an inner primary filter, the primary filter extending downwardly through an |
| 6306299 |
Filtration device for a waste water treatment system |
October 23, 2001 |
| A filter and housing for waste water treatment includes a housing having a plurality of coaxially mounted vertically extending sections adaptable to receive a filter cartridge therein. An upper section is provided with an outlet consisting of at least two coaxially aligned rings of prese |
| 6006612 |
Waste water effluent test method and assembly |
December 28, 1999 |
| A test assembly for permitting the sampling of the effluent of a waste water treatment apparatus is comprised of at least two parallel testing lines, one testing line being in flow communication with effluent that has been filtered through one type of filter and the second testing line b |
