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| Number | Title | Issue Date |
| 8062519 | Gasket distributor A flange joint for connecting two objects in a fluid connection so that fluid can flow between the objects. The flange joint has a gasket, and the gasket is installed in the flange joint. The flange joint has at least one channel for feeding additional fluid from ou... | 11/22/2011 |
| 7524415 | Effluent purifying plant with centralized structure The invention concerns a plant comprising, on a vertical axis, a homogenizing vessel (1) followed by a settling vessel (2) and a flocculating vat (3). The homogenizing vessel (1) is fed by tangential intake (92) of the effluent and... | 04/28/2009 |
| 7513994 | Aeration vessel and aerator assembly for use in a wastewater treatment system An aerator assembly for use in the aeration vessel of a wastewater treatment system comprising a rigid tubular member having an upper end and a lower end, and a diffuser assembly, the diffuser assembly comprising a flexible connector and a diffuser head, the flexibl... | 04/07/2009 |
| 7390404 | Apparatus and method for remediation of a drain system The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of a concentrated remediation composition throughout the de... | 06/24/2008 |
| 7361282 | Separator of floating components A buoyant component separator is disclosed for removing at least some floating contaminants from fluids. The component separator may be used with a marine engine exhaust system to reduce particulate matter and unburned fuel contained in liquid coolant before it is j... | 04/22/2008 |
| 7341660 | Unitary three stage wastewater treatment system The invention is a three stage wastewater treatment system having a first tank, a second tank and a third tank, all in fluid communication and forming a unitary structure. The first and second tanks are nested, where the first tank is the innermost tank. The first t... | 03/11/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300583 | Apparatus and method for remediation of a waste stream The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of concentrated a remediation composition throughout the de... | 11/27/2007 |
| 7264739 | Dendrimer fluid purification method A dendrimer complex comprising a dendrimer and an antimicrobial agent with the dendrimer complex placeable directly into a fluid to inhibit growth of microbes or rid the fluid of microbes. In a further embodiment of the invention the dendrimer complex is secured to ... | 09/04/2007 |
| 7172688 | Mixed immiscible liquids vacuum, separation, and disposal method and system (Mod 1) A system to collect by vacuum conveyance, separate, and discharge two mixed immiscible liquids with different specific gravities comprising a prefilter vessel 200, a vacuum tank 100, an optional heavy phase intermediate separation stage 40, and ... | 02/06/2007 |
| 7169312 | Methods of and apparatus for collecting sludge from the floor of a settler basin A system meets material collection needs by significantly increasing the flow rate through a header that collects sludge. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against equipment in the basin. A bearing is... | 01/30/2007 |
| 7159724 | Apparatus for collecting sludge from the floor of a settler basin A system meets needs in sludge collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 01/09/2007 |
| 7135107 | Apparatus and system for concentrating slurry solids An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges. Baffles are provided to direct solids to the outlet and minimize the tim... | 11/14/2006 |
| 7105096 | Collection of sludge from the floor of a basin with multiple balanced-flow headers A method meets needs in material collection by significantly increasing the flow rate through headers that collect sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 09/12/2006 |
| 7097122 | Filtered shower arm A combination shower arm and water filter having an integrated design for attachment between a shower wall and a showerhead. The combination shower arm and water filter includes a housing having a number of components that may be easily manipulated, and which may be... | 08/29/2006 |
| 7077958 | Sewage treatment plant The invention relates to a sewage treatment plant for treatment of waste fluid, said plant comprising at least one aeration chamber (2, 3), a settling chamber (4) and a disinfection chamber (5). In order to rationalize the layout and the structu... | 07/18/2006 |
| 7048864 | Dendrimer fluid purification system and method A dendrimer complex comprising a dendrimer and an antimicrobial agent with the dendrimer complex placeable directly into a fluid to inhibit growth of microbes or rid the fluid of microbes. In a further embodiment of the invention the dendrimer complex is secured to ... | 05/23/2006 |
| 7048852 | Method and apparatus for treating water or wastewater to reduce organic and hardness contamination A method of treating liquid including mixing coagulant with the liquid, introducing mixed coagulant and liquid into a primary reaction zone, containing an agitator, of a reactor which is substantially concentrically positioned with respect to a secondary reaction zo... | 05/23/2006 |
| 7021472 | Collection of sludge from the floor of a basin with multiple balanced-flow headers A system meets needs in material collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or again... | 04/04/2006 |
| 6982033 | Aerobic treatment plant with filter pipe The Aerobic Treatment Plant with Filter Pipe (“ATPFP”) processes sewage for buildings not connected to a municipal sewer system. It employs a multi-stage process for cleaning sewage in a single, light-weight, easy-to-install unit. Sewage is initially cleaned in ... | 01/03/2006 |
| 6966985 | Self-diluting feedwell including a vertical education mechanism An apparatus and method of diluting a solid particle-containing slurry in conjunction with a sedimentation process. A slurry is introduced into the launder portion of a feedwell and flowed vertically downward through an eductor nozzle having its exit location placed... | 11/22/2005 |
| 6951620 | Apparatus and methods for collecting sludge from the floor of a settler basin A system meets needs in material collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or again... | 10/04/2005 |
| 6949187 | Wastewater treatment apparatus and system An apparatus and system are disclosed for retrofitting a septic tank from a failed residential wastewater treatment system to permit discharge to a surface water body rather than an underground drainage field. The apparatus is a chlorinating tank, comprised of a tan... | 09/27/2005 |
| 6936178 | Apparatus for and method of settling of mineral slurries The invention relates to a settler for decanting mineral slurries and a method thereof. The settler comprises a tank for holding and decanting a body of slurry to form a thickened slurry as a lower layer and a clarified liquid as an upper layer, the tank having a si... | 08/30/2005 |
| 6896800 | Metal containing waste water treatment method and metal containing waste water treatment equipment This metal containing waste water treatment method introduces a metal containing waste water from above into a submerged membrane separation tank 1 in which a reaction section 2, a submerged membrane section 3 having a submerged membrane 5 | 05/24/2005 |
| 6776903 | System for waste water treatment capable of saving energy and reducing suspended solids In this waste-water treatment system, solids suspended in waste water are attached to a radial ring-shaped thread structure 6 filled in an attachment filter tank 2. Then, particle sizes are increased and the attached solids are further made to be anaer... | 08/17/2004 |
| 6762057 | Separation apparatus including porous silicon column A sample separation apparatus including a porous, or rough, capillary column. The porous capillary column includes a matrix which defines pores, and may be formed from a material such as porous silicon. Alternatively, the capillary column may have a rough surface of... | 07/13/2004 |
| 6719911 | Apparatus and method for the treatment of a contaminated fluid A process for treating contaminated fluid is disclosed. An apparatus for treatment of contaminated fluid comprises: an integral tank; an inlet for introducing a mixture of flocculent polymer and contaminated fluid; a mixer in the bottom of an innermost cylinder that... | 04/13/2004 |
| 6663771 | Liquid treatment apparatus A unitary liquid flow separator-collector-distributor controls the flow of liquid streams in liquid treatment tanks and treatment methods that can utilize the entire cross section of the vessels in which the treatment takes place.... | 12/16/2003 |
| 6641724 | Tangential separating device for solid matter The invention relates to a device and a method for chemically and physically separating solid materials from a suspension using flotation. A rotationally symmetrical flocculation/flow reactor is provided with outlets in the lower part thereof and is arran... | 11/04/2003 |
| 6630070 | Wastewater treatment method and wastewater treatment equipment for recycling reactants and unreacted chemicals A wastewater treatment equipment is provided with a reaction tank and a separate reaction unit installed in the reaction tank. In the separate reaction unit, a reaction different from a reaction in the reaction tank is carried out with returned sludge and... | 10/07/2003 |
| 6607671 | Reactor and solids settler for grey water treatment The present invention involves an improved integrated reactor and solids settler system for solids removal from a water stream. The integration of the rapid mix reactor and the solids settler of the present invention uses an overflow line from the rapid m... | 08/19/2003 |
| 6592754 | Apparatus and process for removing metallic particles from effluent liquid waste An apparatus for separating solid particles from the suction effluent of, for example, a dental office, preferably driven by a dental office vacuum pump, includes a surge tank for accommodating effluent overfill connected to a sedimentary deposit tank for... | 07/15/2003 |
| 6482322 | Apparatus and method for treating sewage in cold climates A method and apparatus for treating sewage in cold regions including a pretreatment stage, an aerobic treatment stage, and a discharge stage, where cold outside air is combined with warm recirculating air from within the sewage treatment system to provide... | 11/19/2002 |
| 6406619 | Three stage sewage treatment plant The Three Stage Sewage Treatment Plant is an uniquely designed three stage sewage waste water cleaning device for use in homes and other buildings which are not attached to municipal sewer systems. It employs both aerobic and anaerobic microorganisms to b... | 06/18/2002 |
| 6379548 | System for recovering and treating waste water This invention provides a compact effluent water reclamation apparatus which is minimized in the kinds and amounts of chemicals to be used for the recovery of water to thereby reduce the amount of waste and eliminate equipment which necessitates a large a... | 04/30/2002 |
| 6358415 | Vortex sewage disposal apparatus A vortex sewage disposal apparatus for the disposal of construction sewage, comprising a hopper-type casing, a water inlet pipe, a lower outlet and a frame; within the water inlet pipe these are provided rapid-mixing blades, on the wall of the inlet pipe ... | 03/19/2002 |
| 6274375 | System and method for vent hood cleaning and comprehensive bioremediation of kitchen grease A commercial and institutional kitchen retrofit system for 1. the automatic daily cleaning of commercial kitchen exhaust hoods and flues, 2. a low pressure, low volume, recirculating cleaning system designed for the removal of oily residue from hard surfa... | 08/14/2001 |
