| Patents for B01D 37 - Processes of filtration (4,716) |
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| 01/12/2005 | EP1495104A2 Use of polymers comprising thermoplastic polymers as filtration aids and/or stabilising agent |
| 01/12/2005 | EP1495093A2 Solid/liquid separation system for multiphase converters |
| 01/12/2005 | EP1494783A2 Optimized solid/liquid separation system for multiphase converters |
| 01/12/2005 | EP1494777A1 Filter module and process for the production of a filled filter module |
| 01/06/2005 | US20050000894 Cleaning efficiency testing method and apparatus for a filter in a filtering system |
| 01/06/2005 | US20050000877 Method and apparatus for removing particulate contaminants from commercial laundry waste water |
| 01/05/2005 | CN1559669A Regeneration technology of diatomaleous earth as ilter aid by treating garbage of brewery |
| 12/30/2004 | US20040262209 Filtration apparatus |
| 12/29/2004 | WO2004050205A3 Means to miniaturize diffusion filters for particulate removal |
| 12/29/2004 | EP1491247A1 Precoat filter, inlet distributor for a precoat filter and method for controlling the fluid flow in such a filter |
| 12/28/2004 | US6835311 Microporous filter media, filtration systems containing same, and methods of making and using |
| 12/28/2004 | US6835304 Device for monitoring of a coolant regeneration system |
| 12/22/2004 | CN2665229Y Energy-saving and water conservation device |
| 12/16/2004 | US20040251216 For separating particulate solids from a contaminated liquid medium; has such a high durability it can be made permanent; filter element has an afflux surface made of plastic particles that are sintered together |
| 12/15/2004 | CN1179785C Utilization of microparticle polymer as aquo-liquid filter agent |
| 12/15/2004 | CN1179777C Quick press-filtering method for plate type press-filtering machine |
| 12/14/2004 | US6830679 Filtration device |
| 12/09/2004 | US20040245184 First filter immersed in a fluid containing objects of removal; a second filter formed of a gel film adsorbed onto the surface of the first filter; and a pair of electrodes for electrochemically removing nitrogen compounds contained in CMP wastewater |
| 12/08/2004 | EP1483039A1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 12/08/2004 | EP1483034A1 Nanofiber filter media |
| 12/08/2004 | EP1483032A1 Method for continuously filtering raw brine for use in chlor-alkali electrolysis |
| 12/08/2004 | EP1483028A2 Precoat filtration media and methods of making and using |
| 12/08/2004 | EP1482991A1 Controlled dosing of chlorine dioxide or other sanitizing agents into pressurized water systems |
| 12/08/2004 | EP1328329B1 Proportional flow feeder for water filter cartridge |
| 12/02/2004 | WO2004105047A2 Improved self-cleaning strainer |
| 12/01/2004 | EP1360150A4 Apparatus and methods for separating liquids from solids |
| 11/30/2004 | US6825015 Process for the obtaining of HMG-COA reductase inhibitors of high purity |
| 11/25/2004 | DE10318456A1 Swimming pool water filter assembly has main filter tank with top-mounted inlet and bottom-mounted outlet with back-flush cleaning |
| 11/24/2004 | CN2658226Y Household automatic water storage tank |
| 11/23/2004 | CA2155034C Process and apparatus for controlling the dewatering of suspensions |
| 11/17/2004 | EP1476240A2 Hot-gas pressure-filter apparatus |
| 11/17/2004 | CN1176278C Automatic water separating device for rain and snow collected water |
| 11/11/2004 | US20040221381 Whirlpool bath filter and suction device |
| 11/10/2004 | CN1544358A Sewage processing system for comprehensive hospital |
| 11/10/2004 | CN1174791C Method for removing removed substance from fluid |
| 11/09/2004 | US6814868 Flowing a portion of mixed liquor through a screen in a side stream before entering water treatment system |
| 10/28/2004 | WO2004092076A1 Microporous filter media with intrinsic safety feature |
| 10/28/2004 | CA2752109A1 Microporous filter media with intrinsic safety feature |
| 10/27/2004 | EP1470096A1 Method for reducing water concentration in a multi-phase column reactor |
| 10/27/2004 | EP1470083A1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 10/27/2004 | CN2651325Y Convenient environmental protective rain drainer |
| 10/27/2004 | CN2651305Y Household bathing waste water treating, circulating and utilizing systems |
| 10/26/2004 | US6810100 Method for treating power plant heater drain water |
| 10/26/2004 | US6808305 Method and apparatus for mixing additives with sludge in a powered line blender |
| 10/20/2004 | EP1012450B1 Additive dispensing apparatus |
| 10/06/2004 | CN1535170A Dynamic filter module |
| 10/05/2004 | US6800197 Continuously operable rotating drum pressure differential filter, method and systems |
| 09/30/2004 | WO2004084263A2 Integrated apparatus and methods for treating liquids |
| 09/30/2004 | US20040188361 Dynamic filter module |
| 09/29/2004 | EP1461133A1 Method and device for extraction and filtration of a sample |
| 09/29/2004 | CN2644532Y Water-saving apparatus for household use |
| 09/29/2004 | CN2643978Y Combined hydraulic vacuum analog filter tank |
| 09/29/2004 | CN1168520C Method for removing inpurity from fluid |
| 09/29/2004 | CN1168519C Method for producing filter cake |
| 09/23/2004 | US20040182776 Filtration system, cartridge to be applied in the filtration system and method for filtering out particles from a liquid |
| 09/21/2004 | CA2113607C Filter comprising glass microbeads |
| 09/16/2004 | US20040178142 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 09/15/2004 | CN2641145Y Water-saving instalation by utiliznig wastewater |
| 09/15/2004 | CN2641136Y All direction water tap |
| 09/15/2004 | CN1528490A Positive electric rolling fine filter |
| 09/08/2004 | EP1199945A4 Adsorbent filtration system for treating used cooking oil or fat in frying operations |
| 09/08/2004 | CN2639369Y Water-saving washing machine |
| 09/07/2004 | US6787033 Apparatus for filtering impurities out of fluid |
| 09/02/2004 | WO2003061801A8 Hot-gas pressure-filter apparatus |
| 09/01/2004 | EP1450928A1 Methods of using modified natural products as dewatering aids for fine particles |
| 09/01/2004 | EP1450922A1 Chemical feeder |
| 09/01/2004 | CN1164839C Water supply system for building |
| 08/25/2004 | EP1448306A1 Methods of increasing flotation rate |
| 08/25/2004 | EP1448289A1 A cleaning efficiency testing method and apparatus for a filter in a filtering system |
| 08/25/2004 | CN2635768Y Moveable toilet with ultrasonic counter-flushing filter-net water purifier |
| 08/25/2004 | CN2635751Y Recovering-reusing device for sewage of storied buildings |
| 08/19/2004 | US20040162203 Pleating methods |
| 08/19/2004 | US20040161935 Method of fabricating a semiconductor device |
| 08/19/2004 | US20040159609 Nanofiber is collected upstream of filter medium at position downstream of the filter cake, dispersed throughout filter cake, and/or upstream of the filter; noncracking during deliquoring or washing |
| 08/18/2004 | EP1447120A1 Method for automatically controlling the filtration, namely but not exclusively of food oils, with filtration additives |
| 08/18/2004 | CN2633970Y Household waste water reatilizing device |
| 08/18/2004 | CN2633969Y Cabinet small household waste water purifier |
| 08/18/2004 | CN1162592C Self-pressurizing sealed water-storing equipment and pipe type water-purifying machine therewith |
| 08/18/2004 | CN1162340C Electrocoalescent system for decontaminating water streams |
| 08/12/2004 | WO2004067145A1 Additive dispensing cartridge for an oil filter and oil filter incorporating same |
| 08/12/2004 | US20040154970 Staged oil filter incorporating pelletized basic conditioner |
| 08/10/2004 | US6773589 Filtration apparatus includes tank having upper chamber and lower baffle, layers of stone and carbon therebetween, water inlet and outlet below baffle |
| 08/05/2004 | DE10296818T5 Hauptstrom-Partikel- und Säureneutralisationsfilter Main stream of particles and acid neutralizing filter |
| 08/04/2004 | CN2630325Y Water-saving single-pipe network community different-quality water supply device |
| 07/28/2004 | CN2628599Y Flushing water-closet bowl |
| 07/22/2004 | US20040140255 Environmentally friendly acid neutralizing cartridge |
| 07/22/2004 | US20040140254 Acid neutralizing filter canister |
| 07/22/2004 | DE10257960A1 Verfahren und Vorrichtung zur überwachung von Wasseraufbereitungsanlagen Method and apparatus for monitoring of water treatment plants |
| 07/21/2004 | EP1438115A1 A device for purifying liquid in a liquid reservoir and a transformer provided with such a device |
| 07/15/2004 | US20040134848 Method and apparatus for removing particulate contaminants from commercial laundry wastewater |
| 07/14/2004 | EP1436061A2 Filtration system and related filtration method |
| 07/14/2004 | CN2625453Y Wall hanging type domestic water recirculating device |
| 07/14/2004 | CN2625452Y Airtight stainless steel water tank |
| 07/13/2004 | US6761270 Wave coil filter assembly |
| 07/08/2004 | WO2004028655A3 Filter cake treatment method |
| 07/08/2004 | US20040129678 Integrated apparatus and methods for treating liquids |
| 07/07/2004 | CN2623751Y Energy saving environment protection water supply and drainage equipment |
| 07/01/2004 | WO2003089102A3 Solid/liquid separation system for multiphase converters |
| 06/30/2004 | EP1433513A2 Method and device for monitoring a water treatment unit |
| 06/30/2004 | EP1432629A2 Method and apparatus for processing wet material |