| Patents for B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527) |
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| 06/09/1998 | US5762796 Adhesive band with dispersing color in the pleat cavities |
| 06/09/1998 | US5762793 Filter apparatus for waste water discharge system |
| 06/09/1998 | US5762792 For surface filtration of hydraulic oils without causing large pressure loss |
| 06/09/1998 | US5762790 Septic tank filtering system |
| 06/09/1998 | US5762788 Fluid filter having a reusable filter housing and a replaceable coreless filter element |
| 06/09/1998 | US5762787 Fluid filtration system having a readily detachable cartridge filter |
| 06/09/1998 | US5762783 Filter flushing arrangement |
| 06/09/1998 | US5762689 Method and device for cleaning dust-laden air |
| 06/04/1998 | WO1998023357A1 Filter with counter flow clearing |
| 06/04/1998 | WO1998023356A2 Encapsulated lenticular filter cartridge |
| 06/04/1998 | WO1998023355A1 Filter bag and process of manufacture |
| 06/04/1998 | WO1998017369A3 Bag filter |
| 06/04/1998 | DE19650023A1 Liquid collection and cleansing unit, especially for rainwater |
| 06/04/1998 | CA2269521A1 Filter bag and process of manufacture |
| 06/03/1998 | EP0844915A1 Water recovery from a septic tank |
| 06/03/1998 | EP0756747B1 Strainer device for filtering water to an emergency cooling system in a nuclear power plant |
| 06/03/1998 | EP0719170B1 Low hold-up volume filter assembly |
| 06/03/1998 | EP0686059B1 Filter media rewinding mechanism |
| 06/03/1998 | CN2282918Y Self-purifying filter |
| 06/03/1998 | CN2282917Y Filter with ceramic medium |
| 06/03/1998 | CN2282916Y Phthalein filter |
| 06/03/1998 | CN2282915Y Full automatic energy-saving sewage treatment device |
| 06/03/1998 | CN1183736A Apparatus and method for improving gas backewash in lateral underdrains |
| 06/02/1998 | US5759399 High capacity, low head loss, suction strainer for nuclear reactors |
| 06/02/1998 | US5759398 Screen for inlet opening of a pump |
| 06/02/1998 | US5759393 Filter device |
| 06/02/1998 | US5759388 Pool skimmer with safety disconnect means |
| 05/28/1998 | WO1998022202A1 Fluid driven pumps and apparatus employing such pumps |
| 05/28/1998 | WO1998022198A1 Device for filtering a fluid |
| 05/28/1998 | WO1998022172A1 Artificial ventilation system and methods of controlling carbon dioxide rebreathing |
| 05/28/1998 | DE19649013A1 Cleaning cartridge filter system after filtering polymer melt |
| 05/28/1998 | CA2272339A1 Fluid driven pumps and apparatus employing such pumps |
| 05/27/1998 | EP0844013A2 In-situ cleanable filter with filtered cleanser |
| 05/27/1998 | EP0844012A2 Filter element assembly and element-replaceable type filter equipped with the same |
| 05/27/1998 | EP0843654A1 Ceramic filter media manufacturing process |
| 05/27/1998 | EP0843601A1 Apparatus for attaching filter means to a frame |
| 05/27/1998 | EP0843600A1 Screen for use in vibratory shaker device |
| 05/27/1998 | CN2282448Y Pressure-regulating type tower for automatically dewatering of ore pulp |
| 05/26/1998 | US5755963 Filter element and fabrication method for the same |
| 05/26/1998 | US5755962 For pressurized fluids; elongated filtration membrane sheet, nondeformable plastic webbing |
| 05/26/1998 | US5755959 Device for supplying a suspension to a filter at different levels within the filter and in proportions such that a uniformly distributed flow of suspension is achieved across the filter area |
| 05/26/1998 | US5755958 Device for removing material screened or filtered out of a liquid flowing in a channel |
| 05/26/1998 | US5755034 Method for manufacturing a hub ring for a filter |
| 05/26/1998 | CA2075785C Self-cleaning strainer |
| 05/22/1998 | WO1998020958A1 Zoned pressure screen |
| 05/22/1998 | CA2219517A1 In-situ cleanable filter with filtered cleanser |
| 05/20/1998 | EP0842690A1 Filtering device using flush washing |
| 05/20/1998 | EP0842689A2 Filter element for filter unit |
| 05/20/1998 | EP0842322A1 Multiple contour screening |
| 05/20/1998 | EP0737092B1 Method of producing a filter insert |
| 05/20/1998 | CN2281964Y Multifunctional oil cup for edible oil |
| 05/20/1998 | CN2281828Y Water filter with regulatable filter gas |
| 05/20/1998 | CN2281827Y Single tube type automatic cleaning filter |
| 05/19/1998 | US5753330 A filter comprising multicomponent spun-bonded fibers with at least two different hot melt adhesives |
| 05/19/1998 | US5753120 Tubular filter element having a sealing arrangement with a housing post |
| 05/19/1998 | US5753117 Replaceable filter element and snap-on filter lid assembly |
| 05/19/1998 | US5753116 Coolant filter |
| 05/19/1998 | US5753112 Main drain leaf removal system for pools |
| 05/19/1998 | US5753071 Apparatus for making a filter module |
| 05/19/1998 | US5752539 Two flow control means using partially solidified plug |
| 05/14/1998 | WO1998020352A2 Method and apparatus for collecting a cell sample from a liquid specimen |
| 05/14/1998 | WO1998019770A1 Fuel filter and water separator apparatus with heater |
| 05/14/1998 | WO1998019768A1 Cross-flow filter |
| 05/14/1998 | WO1998019767A1 Non-metallic spin-on filter |
| 05/14/1998 | DE19746368A1 Sieve band machine for removal of solids from e.g. power station cooling water |
| 05/14/1998 | DE19643540A1 Coolant lubricant particle-floatation primary filter cartridges stand immediately upon sludge vessel |
| 05/14/1998 | CA2269639A1 Method and apparatus for collecting a cell sample from a liquid specimen |
| 05/13/1998 | EP0840644A1 Conductive filter element |
| 05/13/1998 | EP0703876B1 A method and apparatus for drying sludges |
| 05/13/1998 | EP0671970B1 A device for transport and dewatering of screening or sludge material |
| 05/13/1998 | CN2281349Y Water purifier with fan body |
| 05/13/1998 | CN2281205Y Hand rotating brush filter |
| 05/13/1998 | CN2281204Y Improved core of water filter |
| 05/13/1998 | CN2281203Y Automatic gap filter |
| 05/13/1998 | CN1181714A Pleated filter and a method for making the same |
| 05/12/1998 | US5750021 Oil supply and return tube structure for oil tanks in cars and ships |
| 05/12/1998 | US5749711 Automatic pneumatic pump including a tank with inlet and outlet and a pump connected to the inlet |
| 05/07/1998 | WO1998018539A1 Filter, in particular for filtering the lubricating oil in an internal combustion engine |
| 05/07/1998 | WO1998008594A3 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 05/07/1998 | DE19701522C1 Water drainage system with filters which discharges to soil soak-away or cistern |
| 05/06/1998 | EP0839628A2 Method for assembling filter components by molding and filter assembly |
| 05/06/1998 | EP0839563A1 Fluid filter with drain valve |
| 05/06/1998 | EP0789610A4 Liquid filtering apparatus |
| 05/06/1998 | EP0779830A4 Sieve system for an ion exchange column |
| 05/06/1998 | EP0767700A4 Method of manufacturing a fluid filter |
| 05/06/1998 | EP0767690A4 Blood filter with concentric pleats and method of use |
| 05/06/1998 | CN2280549Y Water-filtering device |
| 05/05/1998 | US5746007 Aggressive convective drying in an agitated pan type dryer |
| 04/30/1998 | WO1998017875A1 Gross pollution filter |
| 04/30/1998 | WO1998017370A1 Method and apparatus for cleaning a filter surface |
| 04/30/1998 | WO1998017369A2 Bag filter |
| 04/30/1998 | DE19644647A1 Liq. filter, esp. an oil filter |
| 04/30/1998 | DE19644646A1 Filter, insbesondere zur Filtrierung des Schmieröls einer Brennkraftmaschine Filter, more especially for filtering the lubricating oil of an internal combustion engine |
| 04/30/1998 | CA2268714A1 Method and apparatus for cleaning a filter surface |
| 04/29/1998 | EP0838627A2 Connecting arrangement for a water through-flow device |
| 04/29/1998 | EP0838254A1 Device, installation and process for filtering sludge, especially liquid manure |
| 04/29/1998 | EP0838253A2 Tip resistant bottle filter |
| 04/29/1998 | EP0751814B1 Filtering apparatus |
| 04/29/1998 | EP0724473B1 Fluid filter |
| 04/29/1998 | CN2279947Y Back washing type high pressure filtration apparatus |