| Patents for B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816) |
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| 12/12/2007 | EP1337478B1 Process and apparatus for treating wastewater |
| 12/12/2007 | CN200987938Y High efficiency mixing coagulation suspension layer filter |
| 12/12/2007 | CN200987937Y Water making machine structure |
| 12/12/2007 | CN200987936Y Novel cyclone filter combined separator |
| 12/12/2007 | CN100354518C Fuel injection system for an internal combustion engine |
| 12/05/2007 | EP1051226B1 Continuous-action filtering method and apparatus |
| 12/05/2007 | CN200984480Y Tunnel ground water filtering basin |
| 12/05/2007 | CN100352535C Filtration apparatus |
| 12/04/2007 | US7303672 Liquid/solid separator and method |
| 11/29/2007 | CA2632255A1 Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge |
| 11/28/2007 | CN200980976Y Multistage connecting external pressure type tap water filter |
| 11/28/2007 | CN200980968Y Multifunctional hydraulic series separator |
| 11/28/2007 | CN200980283Y Automatic water-supplying drinking machine for pets |
| 11/28/2007 | CN100350999C Lubricant cleaning technology in process of producing ultra-thin aluminium foil by cast-rolled stock |
| 11/27/2007 | US7300575 Portable filter system |
| 11/27/2007 | US7299931 Liquid filter comprising air vents |
| 11/22/2007 | WO2007083296A3 Filtration systems and filtration tanks for use therein |
| 11/21/2007 | EP1064071A4 Biological fluid filtration method and apparatus |
| 11/21/2007 | CN200977438Y Multiple cavity graded type oil liquid filtering circulating device |
| 11/21/2007 | CN200977437Y Integrated group type filter element changing device for water filtering device |
| 11/21/2007 | CN200977436Y Water filtering apparatus |
| 11/20/2007 | US7297261 Systems and methods using a solvent for the removal of lipids from fluids |
| 11/20/2007 | US7296582 Method and system for purging a dispensed fluid within a fluid dispensing system including a filter-free connector apparatus |
| 11/15/2007 | US20070262012 Box filter structure |
| 11/14/2007 | CN200974002Y Composite ultrafiltering water purifier |
| 11/14/2007 | CN101069794A Boron-ore-slurry solid-liquid separation method |
| 11/14/2007 | CN101069793A Drip-irrigation water-current mud-sand separation system |
| 11/14/2007 | CN101069792A Dimension block-ore production environment-protective treatment system |
| 11/13/2007 | US7294278 Method for oxygenating wastewater |
| 11/08/2007 | WO2007125260A2 Oil filtration device for an internal combustion motor and a motor comprising such a device |
| 11/07/2007 | EP1850939A2 Apparatus and methods for filtering liquid |
| 11/07/2007 | CN200970498Y Multistage fine filter water purifier |
| 11/07/2007 | CN101066512A Separating apparatus for mixture of high pressure gas, solid particle and water |
| 10/31/2007 | CN200966961Y Novel nanometer high-energy ceramic machine for producing water |
| 10/31/2007 | CN200966960Y Graded reverse-flushing oil filter |
| 10/24/2007 | EP1846135A1 Fuel filter system |
| 10/24/2007 | CN200963552Y Household sewage reutilization intelligent water-saving device |
| 10/24/2007 | CN101058048A Electric wastewater treating apparatus |
| 10/23/2007 | US7285211 Process and system for separating solids from combined sewer overflows |
| 10/23/2007 | US7285209 Method and apparatus for separating emulsified water from hydrocarbons |
| 10/18/2007 | US20070241044 Fuel Filter |
| 10/18/2007 | DE202007010790U1 Filterkartusche und -einrichtung für die Wasseraufbereitung Filter cartridge and Equipment for water treatment |
| 10/17/2007 | EP1750824B1 Fuel filter for diesel internal combustion engines |
| 10/17/2007 | CN200960438Y Water filtering device structure |
| 10/17/2007 | CN200960433Y Solid and liquid separating transferring device for fine particle slurry material |
| 10/17/2007 | CN200960432Y Multifunctional high precision filter |
| 10/17/2007 | CN200960431Y Heavy load engine oil filtering regenerating device |
| 10/17/2007 | CN200960422Y Composite filtering cylinder |
| 10/17/2007 | CN101053716A Coal-cleaning water distributor |
| 10/16/2007 | US7282142 Fluid strainer assembly |
| 10/16/2007 | US7281632 Filter media surface modification for enhanced sealing and apparatus utilizing the same |
| 10/11/2007 | DE202007005082U1 Vorrichtung zum Aufbereiten von rückgespültem Fluid Apparatus for treating fluid rückgespültem |
| 10/10/2007 | CN200957331Y Running-water terminal treater |
| 10/10/2007 | CN101052453A Fuel filter for internal-combustion engine |
| 10/09/2007 | US7279030 Distributor for rotary filter and rotary filter equipped therewith |
| 10/04/2007 | WO2007111619A2 Grit removal system for emergency water reservoir |
| 10/04/2007 | US20070232475 Device for Eliminating Impurities from the Lubricating Oil of an Internal Combustion Engine |
| 10/03/2007 | EP1838959A2 Fuel filter, in particular for motor vehicles |
| 10/03/2007 | CN200954433Y Fully-automatic ontine ammonium liquid filtering-purifying apparatus |
| 10/03/2007 | CN200954419Y Energy-saving kitchen oil-smoke purifying device |
| 10/02/2007 | US7276169 Partially filling the filtering body with water;starting pump;short-circuiting the pump by a fluid passage by putting the delivery duct in communication with closed vessel; stopping the pump; keeping the pump stopped to allow the air to escape from the chamber and the filtering body |
| 09/27/2007 | US20070221565 Grit removal system for emergency water reservoir |
| 09/27/2007 | US20070221560 Fuel Filter for Diesel Internal Combustion Engines |
| 09/26/2007 | CN200951356Y Water purification apparatus for producing water able to be directly drunk |
| 09/25/2007 | US7273550 Filter assemblies with valves |
| 09/19/2007 | CN100337713C Staged oil filter incorporating timed release oil conditioner |
| 09/13/2007 | DE102006010842A1 Vorrichtung und Verfahren zum Aufbereiten von rückgespültem Fluid Apparatus and method for treating fluid rückgespültem |
| 09/12/2007 | EP1478874A4 Apparatus for the liquefaction of natural gas and methods relating to same |
| 09/12/2007 | CN200945402Y Device of central air conditioner for filtering water and discharging pollution |
| 09/12/2007 | CN101032673A Water purifying appliance |
| 09/05/2007 | EP1499416B1 Filter device comprising integral centrifugal separation |
| 09/05/2007 | CN200942313Y Water-sand separating tank for IC strip surplus material removing machine |
| 08/30/2007 | US20070199285 Filter element, air cleaner, and methods |
| 08/29/2007 | CN200939365Y Water circulation processor for washing autocar in city |
| 08/28/2007 | CA2567559A1 Portable water purification system |
| 08/28/2007 | CA2327665C Biological fluid filtration method and apparatus |
| 08/22/2007 | EP1399240B1 Filter element with a drainage tube |
| 08/22/2007 | EP1268030B1 Device and method for air filtration |
| 08/22/2007 | CN2936395Y Oil mist filter |
| 08/22/2007 | CN2936381Y Filter material shieving and separating device for continuous backwashing sand filter |
| 08/15/2007 | CN1331557C Distributor for rotary filter and rotary filter equipped therewith |
| 08/09/2007 | US20070181491 Separation apparatus and method |
| 08/09/2007 | US20070181481 Filter element with flow directing end cap |
| 08/08/2007 | EP1814647A1 Composition and method for oxidizing mercury in combustion processes |
| 08/08/2007 | EP1581736B1 Fuel filter |
| 08/08/2007 | CN2930831Y Double-procedure iron removing and filtering apparatus for groundwater |
| 08/02/2007 | US20070175807 Liquid circuit |
| 08/01/2007 | CN2928203Y Pre-treating device for water quality monitoring sample |
| 08/01/2007 | CN2928202Y Multistage filter energy activating water purifier |
| 08/01/2007 | CN2928201Y Secondary filter for cold mill |
| 07/26/2007 | WO2007083296A2 Filtration systems and filtration tanks for use therein |
| 07/26/2007 | US20070170105 Resource-recovering water-filtering system |
| 07/26/2007 | US20070170104 Filtration systems and filtration tanks for use therein |
| 07/25/2007 | CN1327927C Cell separation compositions and methods |
| 07/18/2007 | CN100998930A Combined using method of filter and piston material pushing type centrifugal |
| 07/17/2007 | US7244353 Method of and system for fluid purification |
| 07/12/2007 | DE202006019607U1 Mehrfunktions-Mehrschichtfilter Multi-function multi-layer filter |
| 07/11/2007 | CN2920359Y Cutting material water circulation and utilization device special for semiconductor material wire cutting |
| 06/21/2007 | US20070137674 Readying cooling circuits for use in fuel cells |
| 06/20/2007 | EP1796811A1 Filter for separating two liquids or liquid constituents from a gas |