| Patents for B01D 37 - Processes of filtration (4,716) |
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| 07/09/2008 | CN101215797A Zero discharge treatment method for chemical mechanical pulp |
| 07/08/2008 | US7396474 Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry |
| 07/08/2008 | US7396473 For internal combustion engines and reusable and provides both solid and liquid contaminant removal from engine oil; allows the filter to be mounted at up to a 45 degrees angle without loss of filtration efficiency or leakage and includes a heating element which is not exposed to engine oil |
| 07/03/2008 | WO2008079527A1 Slurry flow divider |
| 07/03/2008 | US20080156744 Swirl generator at the inlet to a cylindrical separation chamber, having an elongate liquid extraction slot along its wall; the swirling flow centrifugally pushes the liquid towards the wall of the separation chamber to exit through the extraction slot into a collection chamber |
| 07/03/2008 | DE112006001586T5 Druckgradienten-Dosiersystem für eine Fluidversorgung Pressure gradient dosing system for a fluid supply |
| 06/26/2008 | US20080149574 Gas/Liquid Separator Assembly with Preseparator and Liquid Filter, and Methods |
| 06/26/2008 | US20080149571 Porous sintered composite materials |
| 06/25/2008 | EP1848668A4 Systems and methods for treatment of liquid solutions for use with livestock operations |
| 06/25/2008 | CN201077834Y Winy environmental protection energy-saving filtering equipment |
| 06/25/2008 | CN201076793Y Filtering sieving barrel device of sludge dewaterer |
| 06/25/2008 | CN100396345C Blood separation systems using multiple function pump station to perform different on-line processing tasks |
| 06/19/2008 | US20080142456 determining the accumulation of biological cells on a filter, by measuring the air flow between the filter and a vacuum source |
| 06/19/2008 | US20080142454 Cyclooctene monomers and polymers, and water purification articles and methods utilizing them |
| 06/18/2008 | EP1931404A1 Method for the elimination of leukocytes from blood |
| 06/12/2008 | WO2008068343A1 Use of a primary liquid filtration/stabilization installation for triple purpose. |
| 06/12/2008 | WO2008068223A1 Solid dispersions made of thermoplastic polymers and suitable as filter aids |
| 06/12/2008 | WO2008067880A2 Method and device for removing solids from overspray generated on painting objects |
| 06/12/2008 | US20080138676 Methods and systems of producing molecular hydrogen using a plasma system in combination with a membrane separation system |
| 06/12/2008 | US20080135500 Filtration assemblies, filtration manifolds, filtration units, and methods of channeling permeate |
| 06/12/2008 | US20080135499 First and second end pieces having inner and outer faces, at least one filtration unit between inner faces, and at least one compression rod arrangement extending between end pieces comprising unthreaded compression rod and locking device to maintain compression of filtration unit; uniformity |
| 06/12/2008 | CA2670869A1 Use of a primary liquid filtration/stabilization installation for triple purpose |
| 06/05/2008 | US20080128346 Small volume unitary molded filters and supports for adsorbent beds |
| 06/05/2008 | US20080128345 Unified Oil Filter and Cooler |
| 06/04/2008 | CN100391574C Process for dehydrating floatation coal |
| 06/03/2008 | US7381335 Method and arrangement for continuous filtering of particles out of a liquid |
| 06/03/2008 | US7381323 Filtration apparatus |
| 05/28/2008 | EP1450922B1 Chemical feeder, system and method |
| 05/27/2008 | US7378025 Fluid filtration method, fluid filtered thereby, lithographic apparatus and device manufacturing method |
| 05/22/2008 | US20080116148 Controlling formation of filter cake by passing liquid metal through porous filter and adding filter cake formation agent to metal, contacting filtered metal with grain refining agent followed by mechanical mixing to promote intimate mixing of metal and grain refining agent to produce refined metal |
| 05/21/2008 | EP1147008B1 Screw press apparatus |
| 05/21/2008 | CN101184698A Filtering device for filtering water and liquids in general |
| 05/21/2008 | CN101181674A Tower equipment for filtering water |
| 05/20/2008 | US7374684 filtration of samples containing particles and soluble materials through surface treated silica filters, concurrent capturing the particles and binding the soluble component of interest to the silica filter media and eluting the bound soluble components |
| 05/15/2008 | US20080110819 Staged oil filter incorporating additive-releasing particles |
| 05/15/2008 | DE10158899B4 Filterhilfsmittel und Verfahren für die Abwasserreinigung Filter aid and method for wastewater treatment |
| 05/13/2008 | US7371329 Method for filtering particles from a fluid |
| 05/13/2008 | US7371325 Filter element compressively sealed between the top surface of a sealing ring and the bottom surface of a rib arrangement that projects downwardly from a lip that extends inwardly from side wall of each well; microtitration and microfiltration |
| 05/07/2008 | EP1917335A1 Methods and apparatus for removal of degradation byproducts and contaminants from oil for use in preparation of biodiesel |
| 05/01/2008 | US20080102005 Method and system for control of microorganisms in metalworking fluid |
| 05/01/2008 | US20080099408 Diatomaceous earth filter apparatus and method |
| 05/01/2008 | US20080099407 Additive dispersing filter and method of making |
| 04/29/2008 | US7365040 Catalysts |
| 04/29/2008 | US7364657 Integrated system for on-site cell acquisition, processing, and delivery |
| 04/24/2008 | US20080093311 contains diatomaceous earth powder; distensible member is distended, the fibres are compressed to form a graduated filter matrix for traping the filter medium; reverse osmosis; medical equipment for separating biological tissue, coagulated blood; removal of cement, grit, waste water from olive oil |
| 04/24/2008 | US20080093310 fluid filter contains silver oxide impregnated with activated carbon and fibers of polyethylene, polypropylene coupling through Octadecylaminodimethyl Trimethoxysilylpropyl Ammonium Chloride; used as antiseptics for drinking water treatment |
| 04/24/2008 | US20080093309 clean the dirty biodiesel to produce a cleaned fuel by catalyzing oxidation process with oxidizer selecting from hydrogen peroxide, ozone, and chromic acid, using electrical energy and in presence of oxidation catalyst; reduce microbial contamination; purification |
| 04/23/2008 | EP1483039B1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 04/17/2008 | US20080087645 Regeneration method of etching solution, an etching method and an etching system |
| 04/17/2008 | US20080087607 Effluent Treatment Installation And Clarification And Filtration Method Using Same |
| 04/17/2008 | US20080087587 Drainless reverse osmosis water purification system |
| 04/10/2008 | WO2008008940A3 Composition for filtering and removing particles and/or constituents from a fluid |
| 04/03/2008 | WO2008039913A2 Water pollution trap and methods of use thereof |
| 04/03/2008 | WO2008037777A1 Method for regenerating an auxiliary filtering agent |
| 04/03/2008 | US20080078726 Filtering and compacting device for solid particles suspended and contained in fluids, such as slurry from mechanical operations |
| 04/01/2008 | US7351387 From the scrubber along with the gypsum produced as a result of a desulphurization reaction using a calcium-containing absorbent and an auxiliary agent (surfactant or zeolite) that causes impurities in the fluid to mix with the fluid; diesel power plant |
| 04/01/2008 | US7351345 Cells stacked one on top of the other having openings that together form a channel for feeding or discharging the fluid to be treated with filtration-active pearlite, kieselguhr, activated carbon, or polyvinylpyrrolidone (optionally complexed with iodine); interior of cells is accessible from the outside |
| 04/01/2008 | US7351344 Sterile system and method for filtering biological or medical liquids, especially blood or blood constituents |
| 03/27/2008 | US20080073299 introducing engin oil into an inlet of canister under pressure so that oil passes radially from outer circumference and through multilayers of the filter element into the hollow core, to trap different size particulate matter at different layers, discharging oil from hollow core to out of the outlet |
| 03/27/2008 | US20080073296 High strength, high capacity filter media and structure |
| 03/27/2008 | US20080073295 Water pollution trap and methods of use thereof |
| 03/27/2008 | US20080073282 Shearing the seeded floc by a horizontal shearing device in a horizontally extending shear tank for receiving the seeded floc from the collector to produce a sheared slurry of seeds and sludge; a tank outlet to discharge the sheared slurry of seeds and sludge; separator for recycling magnetic seed |
| 03/27/2008 | DE19804493B4 Filtermedium für die Fest/Flüssig-Trennung Filter media for solid / liquid separation |
| 03/26/2008 | EP1470083B1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 03/26/2008 | CN101147842A Differential filter automatic flushing sewage purifying device |
| 03/25/2008 | US7347947 cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber; In order to estimate the hydrogen ion concentration of the organic solvent, a sample solvent of thereof is mixed with water so as to transport hydrogen ions from the sample solvent to the water of predetermined volume |
| 03/25/2008 | US7347946 Method for inhibiting microbial growth in liquid nutrients |
| 03/20/2008 | WO2008033923A2 Method and apparatus for removal of soot from lubricating oil |
| 03/19/2008 | EP1900420A2 Chemical feeder |
| 03/19/2008 | EP1703955A4 Structures that inhibit microbial growth |
| 03/19/2008 | EP1483028B1 Precoat filtration media and methods of making and using |
| 03/19/2008 | EP1322672B1 Washing and dewatering of suspensions |
| 03/19/2008 | CN100375718C Water purification, mud treatment and water purifier |
| 03/13/2008 | WO2002005059A3 Medical system, method and apparatus employing mems |
| 03/13/2008 | US20080060985 Wave coil filter assembly |
| 03/13/2008 | US20080060949 Applying a direct current to electrodes in engine oil causing soot particles to agglomerate on a positive electrode, filtering out the soot |
| 03/06/2008 | WO2008014201A3 Method for removal and recovery of water from polymer manufacturing |
| 03/06/2008 | US20080053922 Excellent purification properties achieved without the use of carbon nanotubes when a support fiber is coated with a non-fibrous, nanostructured metal-oxygen material, e.g., iron oxyhydroxide; filters for both gas and liquid phases, air water, fuel; pollution control; hydrogen bonding; electrostatics |
| 03/05/2008 | CN101137443A Amine-aldehyde resins and uses thereof in separation processes |
| 03/04/2008 | US7338608 Solid-liquid separation of oil-based muds |
| 03/04/2008 | US7338607 Filter canister, system containing filter canister, and their use |
| 03/04/2008 | US7338605 Filter aid and method of using same for reclaiming water-based fluids used in metal working processes |
| 02/28/2008 | WO2007146268A3 Methods for reducing or preventing liquid-liquid phase separation in high concentration protein salutions |
| 02/28/2008 | US20080047898 Sealed Sterile System and Method for Filtering Biological or Medical Fluids, in Particular Whole Blood |
| 02/26/2008 | CA2499274C Process for purifying a filterable liquid using a thin-walled, extruded activated carbon filter |
| 02/21/2008 | US20080041791 Filtration media containing carbon nanotubes fused or bonded to a support medium and/or to another carbon nanotube; purifying fluids, such as liquids, including water, as well as gases, including air |
| 02/20/2008 | CN100369650C Anti-oxidation filter device for separation of palladium-carbon catalyst |
| 02/19/2008 | US7332096 For removing leukocytes |
| 02/19/2008 | US7332093 two phase purification in wastewater treatment plant; nutrient removal; first phase aeration until sufficient nitrification and phosphate uptake; second denitrification phase until the storage of intercellular compounds in phosphorus accumulation organisms (PAO) reaches a level; optimizing cycles |
| 02/14/2008 | US20080035582 Providing a filtering carafe with a replaceable filtering cartridge; calculating a parameter using a determination of impedance of water to be filtered; determining a lifespan of the filtering cartridge using the parameter |
| 02/13/2008 | EP1886722A2 Residue sluice for filter devices, in particular for coating paint filters |
| 02/13/2008 | CN100368053C Low ash coal dewatering method of hydrophobic aggregating and pelletizing to aid filtering |
| 02/07/2008 | WO2008016933A2 Concrete filtering systems and methods |
| 02/07/2008 | WO2008015792A1 Filter for filtration collection of particles floating in water, and method for filtration collection of particles floating in water and method for control of water quality using the filter |
| 02/07/2008 | US20080029463 Device and Method for Filtering Particles from a Liquid in a Dishwasher |
| 02/06/2008 | EP1883607A2 Filtering device for filtering water and liquids in general |
| 01/31/2008 | WO2008014201A2 Method for removal and recovery of water from polymer manufacturing |
| 01/31/2008 | US20080023413 Tank screening device for use in automated cleaning of investment casting slurry tanks |
| 01/31/2008 | US20080023404 Concrete filtering systems and methods |
| 01/30/2008 | CN100364637C Intelligent vacuum filtering instrument and its control method |