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| Number | Title | Issue Date |
| 7862254 | Underground root margin even irrigation apparatus Disclosed are an even-irrigation apparatus for an underground root zone and an even-irrigation method using the same for evenly supplying water into the root zone of a variety of crops. The even-irrigation apparatus includes a plurality of irrigators buried in the e... | 01/04/2011 |
| 7360965 | Cleanout with drainage capabilities A cleanout with adjustable subsurface drainage capabilities which includes a first body and a second body. The first body has a first sidewall and a top access opening. The first sidewall has a plurality of circumferentially spaced and axially oriented first slots. ... | 04/22/2008 |
| 7337983 | Irrigation method and system using variable orifices The present invention is an irrigation method and system for providing a user-defined flow rate to a field using variable sized orifices. The irrigation method and system includes providing a source of irrigation water. A first discrete area to be irrigated is defin... | 03/04/2008 |
| 7306399 | Stormwater chamber with changing corrugation width angle An arch shape cross section molded plastic stormwater chamber, which has a multiplicity of corrugations, can be nested within another like chamber for shipment. The width and included angle between the opposing sides of each corrugation both decrease with elevation ... | 12/11/2007 |
| 7282143 | Septic tank A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet, and an outlet pipe mounted to the outlet. At least one partitioning member is mounted in the chamber and separates the chamber into at least a first subchamber adjace... | 10/16/2007 |
| 7270747 | Storm water drain system An in-line storm water drain system and a filter basket for a storm water drain system are provided in which the storm water drain system has a housing having an inlet and outlet thereinto and interior walls forming a plurality of chambers therein. The filter basket... | 09/18/2007 |
| 7261382 | Reservoir tank for vehicle brake system A reservoir tank has an inlet/outlet port communicating with a master cylinder, and a hydraulic fluid supply port provided directly opposite the inlet/outlet port. A tubular portion is provided on the inner surface of the tank. The tubular portion has an internal pa... | 08/28/2007 |
| 7238106 | Air delivery system The present invention relates to a system for delivering temperature and flow rate controlled warmed air to outlets for use in various apparatus. The system is typically in residential structures, such as homes, but could easily be adapted for apartment buildings as... | 07/03/2007 |
| 7237981 | End cap having integral pipe stub for use with stormwater chamber A detachable end cap for a molded plastic storm water chamber has an integrally welded pipe stub. The stub cantilevers outwardly from the exterior surface of the end cap, which is preferably dome shaped, to enable connection to a line which carries water to or from ... | 07/03/2007 |
| 7238279 | Impulse-responsive rotary actuator for storm drain barrier not disabled by immersion A pivoted gate across an opening from a gutter into a collector basin. An actuator inside the basin is insensitive to slow flow rates, but includes a rotor with vanes that actuate an opening linkage at sufficiently high rates of flow. A float is included in the actu... | 07/03/2007 |
| 7234894 | Storm drain basin gate system An automatically openable and closeable gate system that will find primary use with the street curb opening to a catch basin or vault of a storm drain system, and for other similar openings, the system having a gate which during dry and low-flow water drainage situa... | 06/26/2007 |
| 7160440 | Storm water separator system A storm water separator system having side walls constructed from sheet piling to enable installation within a small footprint and in poor soil conditions. The separator system has an upper bypass chamber and a lower treatment chamber with a diffuser directing inflo... | 01/09/2007 |
| 7144509 | Process and apparatus for waste water treatment Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. Th... | 12/05/2006 |
| 7101114 | Storm drain system and method A storm drain system is provided to prevent rising water from flowing substantially vertically out of a storm drain inlet. The storm drain system comprises a seat generally horizontally mounted within a chamber and a moveable buoyant door assembly responsive to risi... | 09/05/2006 |
| 7069689 | Method and system for regulating plant growth A system and method for regulating plant growth according to the creation of temperature gradients within the vegetative portion of a plant and its roots or rhizomes. A system of pipes or conduits capable of thermally manipulating their surrounding environment is pl... | 07/04/2006 |
| 7052207 | Sediment control drain and method of construction An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright perforated drain pipe that is on the interior of the basin and which o... | 05/30/2006 |
| 7021336 | Even-flow septic tee arrangement An even-flow tee arrangement for use with a septic system consists of a tee connector having top and bottom section cemented together. The bottom section includes a splitter plate extending from the tee-shaped exit end to two pairs of directional vanes proximate the... | 04/04/2006 |
| 7021671 | Septic tank drain field pipe manifold system and method of use A manifold having a tubular body including effluent retention areas formed within the body and conduit portions having opposing ribs extending radially from an outside surface for use with a pipe anchoring mechanism when installing the manifold and connected flexibl... | 04/04/2006 |
| 7011286 | Bag valve The bag valve comprises an open-ended sleeve of pliant impermeable material, one end of which is removably clamped around the down-stream open end of a conduit for fluids. The other end of the sleeve, the downstream end, can be gathered into a fully or partially clo... | 03/14/2006 |
| 7004677 | Enhanced irrigation valve platform assembly A valve containment assembly for an irrigation system may have a first side wall unit, a grate, a second side wall unit, and a lid. The first side wall unit may be disposed on the floor of a hole. The grate may be positioned in the first side wall unit to support a ... | 02/28/2006 |
| 6974540 | Street curb drain filter A street curb drain filter is comprised of U-shaped brackets for attaching to an inside wall of a street curb drain adjacent an inlet. A horizontal retaining bar is attached to the outer ends of the brackets. The lower edge of a horizontally elongated flexible net i... | 12/13/2005 |
| 6969464 | Dewatering a leach field A leach field of a sewage system is dewatered, to restore its function when it is at or near failure. In various embodiments, water is withdrawn from the points in the leach field, preferably from the conduits, by means of suction or sub-atmospheric pressure. As wat... | 11/29/2005 |
| 6945733 | Cover for a drainage device A cover for a drainage device, in particular a drainage channel with a channel body such that the cover can be set on an upper edge of the channel body, which comprises detent ridges that extend into the channel body and which has at least one fixing element to atta... | 09/20/2005 |
| 6932105 | Antifreezing guard for pipes A system and kit for forming an inexpensive protective plenum around pipes subject to freezing is disclosed. The system uses tubes formed of thin, flexible material, such as plastic tubes, to form the plenum. The plenum may be installed in sections with the sections... | 08/23/2005 |
| 6926464 | Detention pond water quality apparatus and system A water quality apparatus and system utilized in permanent extended dry detention basins having an outlet control structure vertically mounted within a basin and a semi-round pipe (typically including gravel) attached to the forward edge. Typically, in this type of ... | 08/09/2005 |
| 6837652 | Nestable catch basin with integral debris trap A catch basin for draining water into an underground drainage conduit through a riser includes a receptacle having an open top and a base portion; an integral outflow conduit extending upwardly from an outlet opening in the base portion and having an inlet opening w... | 01/04/2005 |
| 6821053 | Water flow responsive barrier for gutters and storm drains with rotary actuator A barrier to exclude trash and debris from storm drains wich includes a pivoted gate moved by a vane-type rotor. The rotor is actuated to open an entry to the storm drain by flow of water at a rate above and agreeable minimum, and to maintain it closed at no or low ... | 11/23/2004 |
| 6811353 | Aquifer recharge valve and method An aquifer recharge valve assembly comprises a valve movable along the interior of a pipe section to open and close aquifer recharge openings through the pipe section. The position of the valve controls the extent to which the recharge openings are available for del... | 11/02/2004 |
| 6749366 | Environmental filter and flow control device The present invention relates generally to a system for use in filtering a variety of environmental substances, and more particularly to a method and apparatus for filtering such substances as soil, sediment, and debris from such things as water runoff that may be e... | 06/15/2004 |
| 6746178 | Sewer drain receptacle with hose resting seat A sewage drain receptacle for underground sewage systems for campgrounds or RV parks that includes a hose resting seat coupled to the top orifice of a drain line and a sewage cap for closing the top orifice. The hose resting seat extends along a portion of the lengt... | 06/08/2004 |
| 6726402 | Roadway surface grating with trash detention during drier conditions A roadway surface drain provided with a grating to detain trash but pass water, a hinged closure plate beneath the grating to close the opening in which the grating is fitted, and linkage to tilt the closure plate to open said opening when the rate of water flow is ... | 04/27/2004 |
| 6692189 | Flume for optimization of sewer system and wastewater treatment plant capacity A flume for diurnally storing and releasing municipal sewage in its conveyance network of sewers and interceptor piping to reduce peak flow rates in a sewer system and the downstream wastewater treatment plant. The disclosed invention reduces peak flow ra... | 02/17/2004 |
| 6612778 | System and method for preventing bluff erosion A system is provided for preventing erosion of a bluff or hillside having a face extending between a toe at a bottom thereof and a crest at a top surface thereof, and a failure shear plane. The bluff or hillside is subject to excess water accumulation con... | 09/02/2003 |
| 6609852 | Sediment control drain and method of construction An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright perforated drain pipe that is on the interior of the basin ... | 08/26/2003 |
| 6575662 | Water quality management system and method A water quality management system and method that controls the exchange of water between two bodies of water (e.g., estuary and ocean) separated by at least one land barrier. The system consists of a series of water exchange units that are disposed in the... | 06/10/2003 |
| 6503392 | Distribution box for a wastewater treatment system A flow distribution box for a wastewater treatment system includes an inlet into a back wall and outlets in the opposed outer side walls and front wall, the distribution box including a plurality of flow dividers therein to compartmentalize effluent withi... | 01/07/2003 |
| 6467994 | Apparatus and method for beneficial use or handling of run-off or collected water An apparatus and method for the beneficial utilization or handling of run-off water. The apparatus includes a permeable underground water reservoir in combination with a siphon. Run-off water can be directed to the reservoir where its permeability allows ... | 10/22/2002 |
| 6419421 | Apparatus for draining land areas with an adjustable system for gravity flow A plastic catch basin with grate on top, box shape design to drain a low area by gravity to a final drain area through plastic pipes, the catch basin to be assembled on site according to need by constructing with side plates with a choice of holes accordi... | 07/16/2002 |
| 6413015 | Beaver controlling culvert attachment A beaver controlling culvert attachment prevents beavers from disturbing the flow of water through a culvert. An upstream unit includes a vertical pipe having an upper grate, which prevents the entrance of beavers and debris, while allowing the entrance o... | 07/02/2002 |
| 6406216 | Storm sewer overflow control device A storm sewer overflow control device for controlling runoff surge flows from a generally vertically oriented storm drain into a generally horizontally oriented storm sewer pipe includes an engagement portion configured for insertion into the storm sewer ... | 06/18/2002 |
