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| Number | Title | Issue Date |
| 8133398 | Control system An apparatus and method for controlling a water characteristic of a body of water by controlling the cyclic release of a water characteristic material into the body of water with or without the system being responsive to a level of the water characteristic in the bo... | 03/13/2012 |
| 8057686 | Nanotube separation methods A nanotube separation method includes depositing a tag on a nanotube in a nanotube mixture. The nanotube has a defect and the tag deposits at the defect where a deposition rate is greater than on another nanotube in the mixture lacking the defect. The method include... | 11/15/2011 |
| 8021558 | Additive dispersing filter and method of making A method for dispersing an oil additive into an oil passing through a filter, the method including the steps of: filling a first cavity of an additive cartridge with an additive; locating the additive cartridge within a housing of the filter, the additive cartridge ... | 09/20/2011 |
| 7955508 | Supercritical fluid biomass conversion systems Disclosed herein are supercritical fluid biomass conversion machines, systems, and methods for converting a wide range of biomass materials into a plurality of reaction products including fermentable sugars and various aromatic substances. In one embodiment, a metho... | 06/07/2011 |
| 7811462 | Additive dispersing filter and method of making A method for dispersing an oil additive into an oil passing through a filter, the method comprising: filling a first cavity of an additive cartridge with an additive; locating the additive cartridge within a housing of the filter, the additive cartridge being locate... | 10/12/2010 |
| 7780857 | Solid composition for treating water A method for reducing the halogen off-gassing rate in a solid water treatment halogen-containing composition is provided comprising forming a solid water treatment halogen-containing composition comprising (a) a halogen containing source; (b) a boron-containing sour... | 08/24/2010 |
| 7763178 | Biodegradable surface layer film for pools or spas to prevent evaporation and heat loss The present invention relates to swimming pools and other pools of standing water, and in particular to a dispensing unit that distributes a chemical solution that reduces evaporation and heat loss by forming a film or monomolecular layer over the surface or substan... | 07/27/2010 |
| 7736523 | Attachment for underwater surface cleaner A dispenser or dispensable material for external attachment to a mobile surface cleaning device, mobile surface cleaning device provides an aftermarket apparatus and method for both on-the-go cleaning and on-the-go delivery of dispensable materials into the body of ... | 06/15/2010 |
| 7731856 | Method and system for treating waste matter from animals, urea-rich and urea-lean waste-matter products, and uses thereof A method of treating waste matter from animals, the method comprising: a) collecting waste matter from the animals; b) inhibiting urease activity in said collected waste matter; and c) separating said urease-activity inhibited waste matter into a urea-rich fraction ... | 06/08/2010 |
| 7682513 | Water dechlorination means A device for water dechlorination that includes a housing containing a water-soluble dechlorination media, one or more fluid transfer media that passes through the housing that allows the transfer of water and water-soluble dechlorination media between the inside of... | 03/23/2010 |
| 7666314 | Methods for the removal of organic nitrogen, organic and inorganic contaminants from an aqueous liquid The present invention relates to methods for the removal of organic nitrogen, organic and inorganic contaminants from an aqueous liquid. More particularly, the present invention related to a process for the removal of organic and inorganic contaminants such as organ... | 02/23/2010 |
| 7618544 | Fiber film reactors to effect separation and reaction between two immiscible reaction components A fiber reaction process whereby reactive components contained in immiscible streams are brought into contact to effect chemical reactions and separations. The conduit reactor utilized contains wettable fibers onto which one stream is substantially constrained and a... | 11/17/2009 |
| 7611637 | Method for treating contaminated water Zero valent iron particles (14) having enhanced surface area are used to treat contaminated groundwater in-situ or above ground. Hollow and/or porous zero valent iron particles (14) having a generally spherical shape and porous surface are produced usi... | 11/03/2009 |
| 7588691 | Additive dispersing filter and method of making A method of supplying an additive in an oil filter, the method including: forming a dispersement device housing with a first chamber and a second chamber, the second chamber being sealed from the first chamber by a pair of dividing walls; sealing a first metering op... | 09/15/2009 |
| 7560033 | Multi-functional oxidizing composition A composition comprising a stable anhydrous mixture of an oxidizing agent and an active halogen agent wherein the oxidizing agent is potassium hydrogen peroxymonosulfate and the active halogen agent is an alkali metal salt of dichloro-s-triazinetrione, halogenated d... | 07/14/2009 |
| 7462289 | Dispenser for a tablet, and methods of use The present invention relates to improved dispensers for a tablet containing or consisting of a dissolvable composition which, when contacted with water, will elute one or more chemical compounds to the water. More particularly the present invention relates to such ... | 12/09/2008 |
| 7455781 | Method and system of destruction of volatile compounds in wastewater The invention proposes a method of destruction of volatile organic and inorganic compounds in wastewater, this method includes following stages: stripping the aforementioned volatile compounds in a stripping-chemisorption column; preliminary heating the gaseous medi... | 11/25/2008 |
| 7442359 | Recovery of sulphuric acid The invention is directed to a process for the recovery of sulphuric acid from a mixture comprising sulphuric acid and hydrocarbons, in particular carbohydrates. In accordance with the present invention the mixture comprising sulphuric acid and carbohydrates, is con... | 10/28/2008 |
| 7442306 | Autotrofic sulfur denitration chamber and calcium reactor The present invention describes novel biological systems and methods for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments, and the use of catholyte and anolyte for the improved conditioning of water in a... | 10/28/2008 |
| 7442353 | Heat recirculating cooler for fluid stream pollutant removal A process by which heat is removed from a reactant fluid to reach the operating temperature of a known pollutant removal method and said heat is recirculated to raise the temperature of the product fluid. The process can be utilized whenever an intermediate step rea... | 10/28/2008 |
| 7438877 | Fast, high capacity hydrogen sulfide scavengers Selective, irreversible removal of hydrogen sulfide (H2S) and other sulfhydryl compounds from a gas stream, such as sour natural gas and sour hydrocarbon liquids is achieved with a scavenging agent having hydroxyalkyl functionality and alkylamine function... | 10/21/2008 |
| 7431841 | Method for the extraction of components made from organic material The invention relates to a method for the extraction of components made from organic material, comprising the step of extraction with a single-phase mixture of 50 to 90 vol. % methanol and 50 to 10 vol. % water and optionally 0 to 40 vol. % of a further solvent or s... | 10/07/2008 |
| 7431849 | Encapsulated reactant and process An encapsulated reactant(s) having at least one encapsulant and at least one reactant. An outermost encapsulant is substantially nonreacting, impermeable and nondissolving with water. The reactant(s) contribute to at least one reaction with contaminants in environme... | 10/07/2008 |
| 7416672 | Methods and apparatus for septic tank system chlorination Methods and apparatus for the slow, generally uniform addition of a disinfectant solution comprising an active ingredient, such as chlorine, to achieve a substantially constant level of active ingredient in the liquid of a grey water reservoir of a residential septi... | 08/26/2008 |
| 7416668 | Wastewater chemical/biological treatment plant recovery apparatus and method A chemical/biological wastewater treatment plant method and apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the separated treated wastewater by land applying it for plant consumption... | 08/26/2008 |
| 7404899 | Water treatment system The process for irrigation of a man-made landscaped area, such as a golf course, playing field or agricultural area, involves monitoring a sample of reclaimed water, a sample of soil containing reclaimed water, or both from a supply of reclaimed water, and treating ... | 07/29/2008 |
| 7374734 | Absorbing agent and method for eliminating acid gases from fluids The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent ma... | 05/20/2008 |
| 7354515 | Fluid concentrator A concentrator is used for concentrating a fluid, particularly a plasma component out of blood, for treatment of a patient. The concentrator apparatus includes a main housing defining a centrifuge chamber, that also holds the filter. The concentrator allows viewing ... | 04/08/2008 |
| 7351339 | Method for the separation of acids from chemical reaction mixtures by means of ionic fluids A process for removing acids from reaction mixtures using an auxiliary base, in which the auxiliary base: combines with the acid to form a salt which is liquid at temperatures at which the product of value does not significantly decompose during the removal of the l... | 04/01/2008 |
| 7351355 | Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the same A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising α-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 μm, an S content of 3500 to 10000 ppm and an Al conte... | 04/01/2008 |
| 7347934 | Biocide A two part biocide composition containing metal ions and bromine donor for killing microorganisms in a body of water and a method of killing microorganisms in a body of water by placing both metal ions and a bromine in the body of water to allow use of lower concent... | 03/25/2008 |
| 7341670 | Method for treating wastewater A wastewater treatment system treating excess wastewater from a sewer system includes a generally vertically oriented first shaft structure adapted to receive excess wastewater from the sewer system, a generally vertically oriented second shaft structure spaced apar... | 03/11/2008 |
| 7329345 | Dual dispenser A cartridge holder and a floating dispenser system for dispensing materials into a fluid with the floating dispenser system including a cartridge holder with receptacles for removably attaching or detaching at least two cartridge dispensers therein to allow one to s... | 02/12/2008 |
| 7326353 | Methods for reclaiming developing solvents The present invention relates to an improved method for reclaiming and recycling developing solvents used in the production of flexographic printing plates. More specifically, the invention relates to reclaiming and/or recycling of the developing solvent through cen... | 02/05/2008 |
| 7316778 | Staged oil filter incorporating pelletized basic conditioner An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counterac... | 01/08/2008 |
| 7311799 | Hydrofluoric acid wastewater treatment method and device The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient reduction in the hydrofluoric acid concentration of the dehydrofluorinated wat... | 12/25/2007 |
| 7311838 | Method for the extraction and analysis of contents made from organic material The present invention relates to a process for isolating constituents from organic material, comprising the following process steps: a) freeze-drying of the organic material; b) extracting the constituents with a p... | 12/25/2007 |
| 7309443 | Skimmer and filter The present invention provides a skimmer and filter unit for use with a body of water. The unit comprises a housing, a basket for collecting debris, and a partitioning baffle with upper openings and optionally lower openings, and a microorganism eradication system w... | 12/18/2007 |
| 7309444 | Layered tablet water treatment compositions and method of use The present invention relates generally to novel water treatment compositions. More particularly, the invention relates to solid water treatment compositions in the form of a water soluble tablet containing at least one halogen source and at least a pH compensating ... | 12/18/2007 |
| 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 |
