| Patents for B01D 37 - Processes of filtration (4,716) |
|---|
| 01/20/1998 | US5710090 Controlledly permeable/cristobalite-free diatomaceous filtering agents |
| 01/13/1998 | US5707488 Screen/vortex apparatus for cleaning recycled pulp related process |
| 01/08/1998 | WO1998000219A1 Microcolumn for extraction of analytes from liquids |
| 01/07/1998 | EP0815916A1 Slow release coolant filter |
| 01/07/1998 | EP0708676B1 Method and apparatus for thickening lime mud with a disc filter |
| 01/07/1998 | CN1169331A Compound filtering technology of suspension film and fixed film |
| 12/29/1997 | EP0813502A1 Electrocoalescent system for decontaminating water streams |
| 12/29/1997 | EP0813442A1 Method for enriching rare cell population |
| 12/29/1997 | EP0669993B1 Process for making a fibrous structure containing immobilized particulate matter |
| 12/24/1997 | CN1168692A Improved filter aid for use in alluviation |
| 12/21/1997 | CA2208238A1 Slow release coolant filter |
| 12/10/1997 | EP0586659B1 Method and apparatus for rapidly testing the integrity of filter elements |
| 12/10/1997 | CN2269888Y 污水净化器 Water purifier |
| 11/26/1997 | EP0808206A1 Process and device for cost-oriented operation of a conditioning device, particularly a filter |
| 11/26/1997 | EP0808205A1 Cost-oriented control of a regenerable filter |
| 11/26/1997 | EP0682555B1 Process and apparatus for controlling the dewatering of suspensions |
| 11/25/1997 | US5690836 Filtering hydrogenation reaction product to remove raney nickel |
| 11/25/1997 | US5690814 Spin-on filter with transparent container portion |
| 11/19/1997 | EP0689521A4 Compact clarifier system for municipal waste water treatment |
| 11/12/1997 | CN1164434A Air-dissolved fast pressur filtering dewatering method and device |
| 11/04/1997 | US5683583 Sewage dewatering equipment |
| 10/29/1997 | EP0802975A1 Process for reducing rna concentration in a mixture of biological material using diatomaceous earth |
| 10/28/1997 | US5681483 Separation of emulsion containing solids by centrifuging in a filter basket covered by coated cloth which retains filter cake |
| 10/28/1997 | US5681482 Method for monitoring and controlling a filtration process |
| 10/28/1997 | US5681480 Dewatering of aqueous suspensions |
| 10/28/1997 | US5681465 Filtration equipment with filtrate recovery process |
| 10/15/1997 | CN2264612Y Hydraulic vacuum analog filter tank |
| 10/15/1997 | CN1162272A Vessel for filtering liquid, especially for water |
| 10/07/1997 | US5674339 Process for fibrous structure containing immobilized particulate matter |
| 10/01/1997 | EP0798026A1 Reaction vessel |
| 09/23/1997 | US5670056 Chemical-mechanical dewatering process |
| 09/12/1997 | WO1997032654A1 Filtration of plasma mixtures using cellulose-based filter aids |
| 09/12/1997 | CA2247817A1 Filtration of plasma mixtures using cellulose-based filter aids |
| 09/10/1997 | EP0745182B1 Device for treating and conditioning engine coolant |
| 09/04/1997 | WO1997031867A1 Particle dewatering device |
| 09/04/1997 | DE19607740A1 Changeover control in regenerative filter plants |
| 09/02/1997 | US5662805 Automatic testing, filtration for dewatering by adding flocculants |
| 09/02/1997 | US5662799 Slow release coolant filter |
| 08/26/1997 | US5660733 Sewage dewatering process |
| 08/21/1997 | WO1997029826A1 Dredging system and method |
| 08/21/1997 | CA2246740A1 Dredging system and method |
| 08/20/1997 | EP0789611A1 Multiple tube filter device for filtering beer |
| 08/13/1997 | EP0788397A1 A vessel for filtering liquids, particularly drinking water |
| 08/12/1997 | US5656174 Continuous, portable; series of screens and gravity separation |
| 08/06/1997 | CN1156415A Bypass filting |
| 08/05/1997 | US5653889 Coating filter surface with polyamide particles and using it to trap polyamide oligomers |
| 07/30/1997 | EP0785912A1 Water reuse system |
| 07/09/1997 | EP0782879A1 Process and apparatus for the micro- and ultrafiltration of suspensions |
| 07/02/1997 | CN1035306C Method for treatment of soot/ash water slurries |
| 06/24/1997 | US5641070 Shale shaker |
| 06/05/1997 | WO1997019738A1 A device for measuring gas pressure |
| 05/27/1997 | US5632890 Ceramic filter filtration apparatus for purifying swimming pool water |
| 05/27/1997 | CA2089887C Contact lens purification system |
| 05/27/1997 | CA2061827C Method and apparatus for thickening fine particle suspensions |
| 05/13/1997 | US5628911 Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks |
| 05/06/1997 | US5626766 Process for controlling solids-liquid separation |
| 05/02/1997 | EP0770416A1 Coolant filter |
| 04/23/1997 | EP0662857A4 Systems and methods for reducing leukocytes in cellular products. |
| 04/23/1997 | EP0623045B1 Method for filtering a body fluid using rinse chamber bag |
| 04/15/1997 | US5620607 Filtering fluidized bed reactor |
| 04/15/1997 | US5620596 Falling film cross filtration apparatus |
| 04/15/1997 | CA2047762C Solids-liquid separation |
| 04/10/1997 | WO1997012657A1 Advanced particulate media for precise separation of particles suspended in fluids |
| 04/10/1997 | WO1997012656A1 Chemical-mechanical dewatering process |
| 04/10/1997 | DE19537578A1 Waste water filter assembly screens operate in parallel within single main chamber |
| 04/01/1997 | US5616595 Concentration, solubilizing, diafiltration in a closed recirculation system |
| 04/01/1997 | US5616239 Swimming pool control system having central processing unit and remote communication |
| 03/26/1997 | CN2250184Y Pearlite overlying net filter |
| 03/20/1997 | DE19534102A1 Regeneratable water filtration unit |
| 03/19/1997 | EP0762920A1 Bypass filtering |
| 03/18/1997 | US5611929 Adsorbent filter bed with pliant and stiff members and method for removing impurities from liquid |
| 03/18/1997 | US5611921 Sewage dewatering process and equipment |
| 03/12/1997 | EP0667800A4 Pleated filter assembly, and the method and apparatus for making. |
| 03/12/1997 | EP0177521B2 Filter element for separating solid material particles from gas or liquid media |
| 02/25/1997 | US5605746 Fibrous structures containing particulate and including microfiber web |
| 02/12/1997 | EP0757584A1 Method and arrangement for recovering fiber |
| 01/28/1997 | US5597479 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization |
| 01/21/1997 | US5595667 Filter aids; filter cake used as a fuel |
| 01/21/1997 | US5595653 Microcolumn for extraction of analytes from liquids |
| 01/21/1997 | US5595138 Apparatus for detecting operational anomalies in pressurized fluid circuits |
| 01/15/1997 | EP0670748B1 Method for treatment of aqueous soot/ash slurries |
| 01/15/1997 | EP0540731B1 Systems and methods for removing undesired matter from blood cells |
| 01/14/1997 | US5594161 Method and apparatus for rapidly testing the integrity of filter elements |
| 01/14/1997 | US5593596 Pumps for collecting mixtures and filtration |
| 01/14/1997 | US5593582 Two for one shale shaker |
| 01/07/1997 | US5591330 Oil filter containing an oil soluble thermoplastic additive material therein |
| 01/07/1997 | US5591329 Fluid filter with pleated septum |
| 12/31/1996 | US5589077 Liquid filtering and supply system controlling recirculation responsive to pressure difference across filter |
| 12/31/1996 | US5589076 Method and apparatus for optimizing operation of a filter system |
| 12/19/1996 | WO1996040758A1 Process for recovering water-insoluble compounds from a fermentation broth |
| 12/17/1996 | US5585171 Removal impurities from liquid stream |
| 12/17/1996 | US5585009 Method of filtering thixotropic fluids and filter apparatus for use in the method |
| 12/17/1996 | US5584992 Pool water purification system |
| 12/17/1996 | US5584990 Pool water purification system for a plurality of pools |
| 12/11/1996 | EP0747104A2 Dry blended filter beds |
| 12/11/1996 | CN1033501C Process and device for removing lead, cadmium and zinc from dusts |
| 12/10/1996 | CA2177236A1 Dry blended filter beds |
| 12/08/1996 | CA2171592A1 Process and system for filtering polyamide oligomers |
| 12/05/1996 | WO1996038215A1 Fluid filter with pleated septum |
| 12/04/1996 | EP0745182A1 Device for treating and conditioning engine coolant |