| Patents for B01D 37 - Processes of filtration (4,716) |
|---|
| 06/28/2000 | EP1013614A1 Dewatering of fermentation products with screw press |
| 06/28/2000 | EP1012450A1 Additive dispensing apparatus |
| 06/28/2000 | CN1053842C Method for preparing cellulose powder filter aid |
| 06/22/2000 | WO2000036291A1 Method for detecting clogging in a fuel filter in an internal combustion engine supply circuit |
| 06/20/2000 | US6077435 Determining the fouling effect of a feedstream on a filter having known characteristics |
| 06/14/2000 | EP1007185A1 Microcolumn for extraction of analytes from liquids |
| 06/13/2000 | US6074561 Apparatus and method for recovering photoresist developers and strippers |
| 06/08/2000 | WO1999048584A9 Filter constructions and methods |
| 06/08/2000 | DE19856207A1 Assembly for cleaning a paper fiber suspension has a vertical round sieve with an upper flotation foam collection zone and a pump action for the suspension and bubbles through the sieve without a turbulence generator |
| 06/07/2000 | CN1255875A Filtering medium for separation of solid/liquid |
| 06/06/2000 | US6070600 Point of use dilution tool and method |
| 05/30/2000 | US6068825 Comprising the steps of hydrothermal reaction to prepare calcium silicate particles and decalcification of the calcium silicate particles |
| 05/18/2000 | WO2000027591A1 Chemical-mechanical-polishing system with continuous filtration |
| 05/17/2000 | EP1000648A1 Candle filter and process for the stabilization of beverages and for the regeneration of stabilizers |
| 05/17/2000 | EP1000647A1 Candle filter for the pre-coat filtration of beverages |
| 05/17/2000 | EP0819022B1 Process and apparatus for dewatering a suspension |
| 05/10/2000 | EP0998968A2 Process for treating industrial effluents |
| 04/26/2000 | EP0832108B1 Process for recovering water-insoluble compounds from a fermentation broth |
| 04/25/2000 | US6054059 Use of a ceramic metal oxide filter whose selection depends upon the Ph of the feed liquid and subsequent backwash using a liquid having a different Ph |
| 04/25/2000 | CA2087557C Method for removing catalyst |
| 04/18/2000 | US6051137 Sewage dewatering process and equipment |
| 04/18/2000 | CA2184535C Apparatus and method for separation of solids from liquid |
| 04/13/2000 | WO2000020094A1 Controlling the supply of bodyfeed to a filter |
| 04/11/2000 | CA2022884C A continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge |
| 04/04/2000 | US6045692 Oil filter to introduce anti-wear additives into engine lubricating system |
| 04/04/2000 | CA2138806C Apparatus for removing acidic impurities from lubricating oil |
| 03/22/2000 | CN2369744Y Pressure type coagulating reaction filter |
| 03/15/2000 | EP0985438A1 System for the filtration of liquids of machine tool |
| 03/08/2000 | EP0983954A1 Pleating apparatus and methods |
| 03/07/2000 | US6033566 Continuous flow filter system |
| 03/01/2000 | EP0982061A1 Filters, methods of making a filter, and filtering methods |
| 03/01/2000 | EP0982060A1 Precoat filters and methods |
| 03/01/2000 | CN2366163Y Compact boiled oil purifying apparatus |
| 02/29/2000 | US6029479 Fine particle lint filter |
| 02/17/2000 | WO2000007487A1 Cylindrical filter |
| 02/15/2000 | US6024813 Process for fibrous structure containing immobilized particulate matter |
| 02/10/2000 | WO2000006283A1 Method for using infusorial earth for filtration |
| 02/03/2000 | DE19900156A1 Highly pure amorphous silicic acid preparing method |
| 02/03/2000 | DE19833405A1 Verfahren zur Verwendung von Kieselgur zur Filtration A method of using diatomaceous earth for the filtration |
| 02/02/2000 | EP0976437A2 Liquid treatment media regeneration apparatus and process |
| 02/02/2000 | EP0975408A1 Filter life measurement |
| 01/26/2000 | CN1048647C Method for prepn. of filtering aid agent using 'Yeshewen Stone' from asbestos tailing |
| 01/19/2000 | CN1241448A Method for producing filter cake |
| 01/18/2000 | US6015487 Coolant purification system |
| 01/11/2000 | US6013138 Method for cleaning a pipe with a vehicle |
| 01/05/2000 | EP0968040A1 Method of cleaning liquid cooling lubricants |
| 01/05/2000 | DE19828933A1 Monitor for fuel filters in motor vehicles |
| 12/30/1999 | DE19828502A1 Flotation pretreatment of turbid fluids before filtration, especially beers and wines |
| 12/29/1999 | EP0967000A1 Method for producing a filter cake |
| 12/28/1999 | US6009404 Method and device for cost-orientated operation of a conditioning device particularly a filter |
| 12/25/1999 | CA2273772A1 Method for producing a filter cake |
| 12/23/1999 | WO1999065592A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/23/1999 | CA2335175A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/09/1999 | WO1999062614A1 Blood collection systems and methods employing an air venting blood sample tube |
| 12/08/1999 | EP0962242A1 Process for filtering a beverage and precoat filter |
| 11/25/1999 | WO1999059693A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/25/1999 | CA2332245A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/02/1999 | US5976389 Microscopic beads which are about 40 to 120 microns in diameter and which are synthetic, organic compounds derived from the polysaccharide dextran with an aqueous media in a column of a semen filtering device |
| 10/21/1999 | WO1999053015A1 Membrane filtration |
| 10/20/1999 | EP0950639A1 An apparatus and method for purifying water |
| 10/07/1999 | WO1999050194A1 Installation for filtering liquids |
| 10/05/1999 | CA2050579C Apparatus for coagulating treatment |
| 10/02/1999 | CA2267028A1 Pipe cleaning vehicle |
| 09/30/1999 | WO1999048584A1 Filter constructions and methods |
| 09/28/1999 | US5958225 Fuel filter system |
| 09/16/1999 | WO1999046026A1 Variable pressure screening |
| 09/16/1999 | DE19810518A1 System for backwashing a filter |
| 09/15/1999 | CN1228349A Pleating apparatus |
| 09/15/1999 | CN1228348A Precoat filter |
| 09/15/1999 | CN1228347A 过滤器 Filter |
| 09/14/1999 | US5951878 Method and apparatus for cleaning filter material in a filter apparatus utilizing a suction generating nozzle |
| 09/08/1999 | CN1044978C Combined filtration and fixation of heavy metals |
| 09/07/1999 | US5948248 Coolant filter having a delayed release supplemental coolant additive cartridge |
| 09/07/1999 | US5946767 Pipe cleaning vehicle |
| 09/01/1999 | EP0938884A2 Swimming pool with integrated filtering system |
| 09/01/1999 | EP0938361A1 Water purifier |
| 08/26/1999 | WO1999042601A1 PROCESS FOR THE OBTAINING OF HMG-CoA REDUCTASE INHIBITORS OF HIGH PURITY |
| 08/26/1999 | CA2321052A1 Process for the obtaining of hmg-coa reductase inhibitors of high purity |
| 08/25/1999 | EP0629178B1 Apparatus for treatment of effluent |
| 08/17/1999 | US5938936 Method for dewatering flocculated materials |
| 08/12/1999 | WO1999039806A1 Filter aid |
| 08/12/1999 | WO1999039805A1 Filtration member for solid-liquid separation |
| 08/12/1999 | DE19804882A1 Filterhilfsmittel Filter aid |
| 08/12/1999 | DE19804493A1 Filtermedium für die Fest/Flüssig-Trennung Filter media for solid / liquid separation |
| 08/11/1999 | CA2261243A1 Fuel filter with internal pressure regulator |
| 08/10/1999 | US5935436 Device for simultaneously removing leukocytes and methylene blue from plasma |
| 07/28/1999 | EP0931577A1 Method and apparatus for continuous high pressure filtration of liquids out of solid material from a substance to be thickened |
| 07/28/1999 | EP0813502A4 Electrocoalescent system for decontaminating water streams |
| 07/21/1999 | CN1223605A Drinking water filtration system |
| 07/06/1999 | US5919360 Additive dispensing apparatus |
| 06/17/1999 | WO1999029396A1 Method for filtering a liquid |
| 06/17/1999 | CA2312794A1 Method for filtering a liquid |
| 06/15/1999 | CA2136200C Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 06/02/1999 | EP0919606A2 Process for the treatment of cooling lubricants for micro-organisms |
| 06/02/1999 | EP0919269A2 Feeder insert for a tubular cartrige filter |
| 05/19/1999 | EP0915730A1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 05/11/1999 | US5902487 Plant for conditioning and dewatering suspension having on-line density and flow rate measurement means for automatic dosing of conditioner |
| 05/11/1999 | CA2126739C Filter and a method for separating charged particles from a liquid stream |
| 05/04/1999 | US5900158 Precoat layer on the filter surfaces of the disc filter can be cleaned. |
| 05/04/1999 | US5900138 Vessel for filtering liquids, particularly drinking water having device for counting occasions of vessel access |