| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210170080 | Septic system including drain field or leach field or waste liquid treatment system | 18 |
| 20080203001 | Valves and Pumps - A check valve ( | 08-28-2008 |
| 20080203002 | HIGH TREATMENT EFFICIENCY LEACH FIELD - A leach field comprising: a channel, the channel comprising: an infiltrative volume, the infiltrative volume comprising: a plurality of opposing infiltrative surfaces, the surfaces being permeable; a volume of treatment media between each opposing pair of infiltrative surfaces; and a distance D between each opposing pair of infiltrative surfaces, where D is between about 2 inches and about 12 inches. A leach field system comprising: a channel, the channel comprising: an infiltrative volume, the infiltrative volume comprising: a plurality of opposing infiltrative surfaces; a bottom surface; a volume of treatment media between each opposing pair of infiltrative surfaces; a distance D between each opposing pair of infiltrative surfaces, and where the distance D is between about 2 inches and about 12 inches; a perforated pipe, with perforations located on the perforated pipe such that the perforations are lined up to and configured to allow fluid to flow from the perforations directly into the infiltrative volume; and where channel is configured to allow fluid to flow through the opposing infiltrative surfaces to the treatment media. | 08-28-2008 |
| 20080237106 | SUBSURFACE DRIP DISPOSAL SYSTEM - A subsurface drip wastewater disposal system and method are disclosed that eliminate the need for headworks, reduce the risk of damage to the system, and permit optimal pump sizing by simultaneously dosing, flushing the pipe network and flushing the filter. A tank and pump package provide effluent under pressure to the field piping network comprising a supply manifold, a return manifold, and a plurality of emitter lines. A discharge filter that is capable of simultaneous filtering and flushing is provided on the discharge line, and a first flow restrictor is provided on the filter flush return line. Effluent is discharged at a rate and pressure that permits simultaneous pipe flushing and dosing, with the return manifold returning to the tank through a field return line having a second flow restrictor. The size of the first and second flow restrictors is selected to provide the desired flow splits. | 10-02-2008 |
| 20080257804 | High Rate Filtration System - A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to less porous in a direction opposite to the flow of fluid so that filtration proceeds in a direction from a more porous to a less porous filter bed. Larger particles are removed by the more porous media and successively smaller particles are removed as the filter bed becomes less porous. The system is capable of reducing the turbidity of influent municipal wastewater from about 8 NTU to about 2 NTU at a wastewater flow rate of from about 820 to | 10-23-2008 |
| 20080257805 | High Rate Filtration System - A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to less porous in a direction opposite to the flow of fluid so that filtration proceeds in a direction from a more porous to a less porous filter bed. Larger particles are removed by the more porous media and successively smaller particles are removed as the filter bed becomes less porous. The system is capable of reducing the turbidity of influent municipal wastewater from about 8 NTU to about 2 NTU at a wastewater flow rate of from about 820 to 1230 L/m | 10-23-2008 |
| 20080290015 | Waste water filtering system - A wastewater filtering system is provided for the passage of the wastewater from the home to the septic tanks prior to passage to the drain fields. The system comprises a separate septic tank assembly and a grease trap assembly operatively adapted to receive the wastewater from the home prior to the passage of the wastewater into the drain fields. Septic tank assembly and grease trap assembly are specifically configured to separate the filtering of waste water from the kitchen from the sewage from the bathrooms to prevent the clogging of the entire filtering system. | 11-27-2008 |
| 20090026121 | Air driven particle recirculator for a septic tank outlet baffle or filter assembly - An air driven particle recirculator designed to introduce air around a single or multiple compartment septic tank discharge outlet baffle or filter assembly. The air driven particle recirculator causes a movement of waste particles and suspended solids to be forced away from the inlet of the outlet baffle or filter assembly to only allow cleaner filtered effluent to enter the secondary treatment system. The particle recirculator performs a function normally carried out by a settling compartment or clarifier zone associated in aerobic type septic systems. When installed in a single or multiple compartment septic tank utilizing an aerobic process, the particle recirculator will remove waste particles from the discharge area causing cleaner discharge and a cleaner septic tank filter assembly or outlet baffle reducing potential pre-mature failure or damage to the secondary treatment system. The particle recirculator, used in conjunction with an aerobic process, will result in dramatically and lower coliform and | 01-29-2009 |
| 20090057215 | LOW CONCENTRATION SEWAGE TREATMENT SYSTEM COMBINED WITH LANDSCAPE - This invention concerns a low concentration sewage treatment system combined with landscape, comprising a primary filter unit, a rotation flow separator combination and a primary aerobic aeration tank, wherein the back of said primary aerobic aeration tank is connected with a wetland bio-landscape facility of residential plot, the said wetland bio-landscape is equipped with aeration plants. This system adopts wetland, a kind of bio-landscape in a residential district, as a meaning of sewage purification to reduce capital investment and land occupation and to beautify the environment. | 03-05-2009 |
| 20090107901 | Combined Centrifugal Separator - The combined centrifugal separator with supplementary work units is an autonomous stationary or mobile complex apparatus, which is related to the separation of non-uniform granular or fibrous product, such as manure pulps, fruit pulps, sugar contained pulps, pulps for the medicine, etc., from the liquid in which it is carried. The screen, the screen scraper, and the driving shaft, which has the screw, the crusher and the mixer located on it, all have one common axis. However, all three rotate with different speeds around it. They are connected to one motor, and have a transmission system using pulleys and gears. Part of the liquid remainder may be used for internal recycling. | 04-30-2009 |
| 20090145830 | SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM - A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector. | 06-11-2009 |
| 20090194473 | PIPE STAND - Pipe stands support waste-conveying pipes in a trench in a septic system. The pipe stands are preferably flat bowtie-shaped sheets (preferably polymeric). Holes or notches are formed that align when the sheet is folded, thus providing stable support for a horizontal pipe when the panels' bottom edges rest on the ground. Modified versions include panels having: a fold-out foot for engaging soft soil, a fold-out dispersing flange for dispersing waste dropped from the pipe, a stake for driving into soft soil, punch-out rings or multiple holes for supporting different sized pipes, stabilizers between the panels that fixedly maintain their spacing, a feature for receiving a grounded wire stake, and/or bias from the living hinge of the fold line causing frictional gripping of the pipe. Many versions can be used in different orientations. Also, the present pipe stand can be used to support pipes and wires hanging from overhead rafters. | 08-06-2009 |
| 20090236274 | Agitator in a Sewer System - In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream digester assembly. At least one in-line agitator is disposed upstream to the digester assembly. The at least one in-line agitator adapted to break down the waste material. | 09-24-2009 |
| 20100006489 | WASTEWATER FLOW DIVERTER - An apparatus for diverting wastewater in septic system comprises a top, a side adjoining and extending downwardly from the top, the top and the side form an inner volume and a partially open bottom. The bottom can be fully open. A first opening extends upwardly from the partially open bottom. A second opening, having a perimeter, is also on the side. The apparatus can be placed at outlet end of a trench to receive the trench pipe. The first opening, the open bottom and the inner volume permit the apparatus to be placed over a pipe without adjustments or modifications. | 01-14-2010 |
| 20100270220 | EFFLUENT FILTRATION TANK - The present invention relates to a filtration tank intended to be buried and for containing wastewater in particular, the tank ( | 10-28-2010 |
| 20110062069 | SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM - A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector. | 03-17-2011 |
| 20110132824 | High Performance Sewer System - The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation. | 06-09-2011 |
| 20130126407 | Leach Field System - A leach field form comprising: a container with an open bottom and an open top, and four exterior walls of a first height, and at least one interior wall; at least one geonet volume with an open bottom and an open top located in the container; at least one granular volume with an open bottom and an open top located in the container; and where any of the at least one geonet volumes is separated from any adjacent granular volume by an interior wall. A method of making a leach field using a leach field form comprising: digging a trench; placing a leach field form in the trench; backfilling the trench, allowing backfill to fill any granular volumes in the form; inserting geonet into geonet volume located in the form; and removing the form from the trench. | 05-23-2013 |
| 20140263006 | Wastewater Treatment System - Treatment of wastewater containing contaminants is provided. More specifically, treating wastewater through capture and recirculation of percolated fluid effluent through and from one or more infiltration field systems is provided. | 09-18-2014 |
| 20080203001 | Valves and Pumps - A check valve ( | 08-28-2008 |
| 20080203002 | HIGH TREATMENT EFFICIENCY LEACH FIELD - A leach field comprising: a channel, the channel comprising: an infiltrative volume, the infiltrative volume comprising: a plurality of opposing infiltrative surfaces, the surfaces being permeable; a volume of treatment media between each opposing pair of infiltrative surfaces; and a distance D between each opposing pair of infiltrative surfaces, where D is between about 2 inches and about 12 inches. A leach field system comprising: a channel, the channel comprising: an infiltrative volume, the infiltrative volume comprising: a plurality of opposing infiltrative surfaces; a bottom surface; a volume of treatment media between each opposing pair of infiltrative surfaces; a distance D between each opposing pair of infiltrative surfaces, and where the distance D is between about 2 inches and about 12 inches; a perforated pipe, with perforations located on the perforated pipe such that the perforations are lined up to and configured to allow fluid to flow from the perforations directly into the infiltrative volume; and where channel is configured to allow fluid to flow through the opposing infiltrative surfaces to the treatment media. | 08-28-2008 |
| 20080237106 | SUBSURFACE DRIP DISPOSAL SYSTEM - A subsurface drip wastewater disposal system and method are disclosed that eliminate the need for headworks, reduce the risk of damage to the system, and permit optimal pump sizing by simultaneously dosing, flushing the pipe network and flushing the filter. A tank and pump package provide effluent under pressure to the field piping network comprising a supply manifold, a return manifold, and a plurality of emitter lines. A discharge filter that is capable of simultaneous filtering and flushing is provided on the discharge line, and a first flow restrictor is provided on the filter flush return line. Effluent is discharged at a rate and pressure that permits simultaneous pipe flushing and dosing, with the return manifold returning to the tank through a field return line having a second flow restrictor. The size of the first and second flow restrictors is selected to provide the desired flow splits. | 10-02-2008 |
| 20080257804 | High Rate Filtration System - A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to less porous in a direction opposite to the flow of fluid so that filtration proceeds in a direction from a more porous to a less porous filter bed. Larger particles are removed by the more porous media and successively smaller particles are removed as the filter bed becomes less porous. The system is capable of reducing the turbidity of influent municipal wastewater from about 8 NTU to about 2 NTU at a wastewater flow rate of from about 820 to | 10-23-2008 |
| 20080257805 | High Rate Filtration System - A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to less porous in a direction opposite to the flow of fluid so that filtration proceeds in a direction from a more porous to a less porous filter bed. Larger particles are removed by the more porous media and successively smaller particles are removed as the filter bed becomes less porous. The system is capable of reducing the turbidity of influent municipal wastewater from about 8 NTU to about 2 NTU at a wastewater flow rate of from about 820 to 1230 L/m | 10-23-2008 |
| 20080290015 | Waste water filtering system - A wastewater filtering system is provided for the passage of the wastewater from the home to the septic tanks prior to passage to the drain fields. The system comprises a separate septic tank assembly and a grease trap assembly operatively adapted to receive the wastewater from the home prior to the passage of the wastewater into the drain fields. Septic tank assembly and grease trap assembly are specifically configured to separate the filtering of waste water from the kitchen from the sewage from the bathrooms to prevent the clogging of the entire filtering system. | 11-27-2008 |
| 20090026121 | Air driven particle recirculator for a septic tank outlet baffle or filter assembly - An air driven particle recirculator designed to introduce air around a single or multiple compartment septic tank discharge outlet baffle or filter assembly. The air driven particle recirculator causes a movement of waste particles and suspended solids to be forced away from the inlet of the outlet baffle or filter assembly to only allow cleaner filtered effluent to enter the secondary treatment system. The particle recirculator performs a function normally carried out by a settling compartment or clarifier zone associated in aerobic type septic systems. When installed in a single or multiple compartment septic tank utilizing an aerobic process, the particle recirculator will remove waste particles from the discharge area causing cleaner discharge and a cleaner septic tank filter assembly or outlet baffle reducing potential pre-mature failure or damage to the secondary treatment system. The particle recirculator, used in conjunction with an aerobic process, will result in dramatically and lower coliform and | 01-29-2009 |
| 20090057215 | LOW CONCENTRATION SEWAGE TREATMENT SYSTEM COMBINED WITH LANDSCAPE - This invention concerns a low concentration sewage treatment system combined with landscape, comprising a primary filter unit, a rotation flow separator combination and a primary aerobic aeration tank, wherein the back of said primary aerobic aeration tank is connected with a wetland bio-landscape facility of residential plot, the said wetland bio-landscape is equipped with aeration plants. This system adopts wetland, a kind of bio-landscape in a residential district, as a meaning of sewage purification to reduce capital investment and land occupation and to beautify the environment. | 03-05-2009 |
| 20090107901 | Combined Centrifugal Separator - The combined centrifugal separator with supplementary work units is an autonomous stationary or mobile complex apparatus, which is related to the separation of non-uniform granular or fibrous product, such as manure pulps, fruit pulps, sugar contained pulps, pulps for the medicine, etc., from the liquid in which it is carried. The screen, the screen scraper, and the driving shaft, which has the screw, the crusher and the mixer located on it, all have one common axis. However, all three rotate with different speeds around it. They are connected to one motor, and have a transmission system using pulleys and gears. Part of the liquid remainder may be used for internal recycling. | 04-30-2009 |
| 20090145830 | SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM - A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector. | 06-11-2009 |
| 20090194473 | PIPE STAND - Pipe stands support waste-conveying pipes in a trench in a septic system. The pipe stands are preferably flat bowtie-shaped sheets (preferably polymeric). Holes or notches are formed that align when the sheet is folded, thus providing stable support for a horizontal pipe when the panels' bottom edges rest on the ground. Modified versions include panels having: a fold-out foot for engaging soft soil, a fold-out dispersing flange for dispersing waste dropped from the pipe, a stake for driving into soft soil, punch-out rings or multiple holes for supporting different sized pipes, stabilizers between the panels that fixedly maintain their spacing, a feature for receiving a grounded wire stake, and/or bias from the living hinge of the fold line causing frictional gripping of the pipe. Many versions can be used in different orientations. Also, the present pipe stand can be used to support pipes and wires hanging from overhead rafters. | 08-06-2009 |
| 20090236274 | Agitator in a Sewer System - In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream digester assembly. At least one in-line agitator is disposed upstream to the digester assembly. The at least one in-line agitator adapted to break down the waste material. | 09-24-2009 |
| 20100006489 | WASTEWATER FLOW DIVERTER - An apparatus for diverting wastewater in septic system comprises a top, a side adjoining and extending downwardly from the top, the top and the side form an inner volume and a partially open bottom. The bottom can be fully open. A first opening extends upwardly from the partially open bottom. A second opening, having a perimeter, is also on the side. The apparatus can be placed at outlet end of a trench to receive the trench pipe. The first opening, the open bottom and the inner volume permit the apparatus to be placed over a pipe without adjustments or modifications. | 01-14-2010 |
| 20100270220 | EFFLUENT FILTRATION TANK - The present invention relates to a filtration tank intended to be buried and for containing wastewater in particular, the tank ( | 10-28-2010 |
| 20110062069 | SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM - A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector. | 03-17-2011 |
| 20110132824 | High Performance Sewer System - The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation. | 06-09-2011 |
| 20130126407 | Leach Field System - A leach field form comprising: a container with an open bottom and an open top, and four exterior walls of a first height, and at least one interior wall; at least one geonet volume with an open bottom and an open top located in the container; at least one granular volume with an open bottom and an open top located in the container; and where any of the at least one geonet volumes is separated from any adjacent granular volume by an interior wall. A method of making a leach field using a leach field form comprising: digging a trench; placing a leach field form in the trench; backfilling the trench, allowing backfill to fill any granular volumes in the form; inserting geonet into geonet volume located in the form; and removing the form from the trench. | 05-23-2013 |
| 20140263006 | Wastewater Treatment System - Treatment of wastewater containing contaminants is provided. More specifically, treating wastewater through capture and recirculation of percolated fluid effluent through and from one or more infiltration field systems is provided. | 09-18-2014 |
