Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions
Patents for B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776)
12/1999
12/01/1999CN2351177Y Tension ring for filter
11/1999
11/30/1999US5993665 Quantitative cell analysis methods employing magnetic separation
11/30/1999US5993648 Water filtration device with a water fountain outlet and a faucet outlet with flow viewing apparatus
11/30/1999US5992643 In line fluid filter assembly
11/30/1999US5992642 Filtering apparatus and filtering system
11/30/1999US5992394 Fuel supply device housing pump and filter in sub-tank
11/25/1999WO1999059696A1 Device in an appliance for the treatment of oil for lubrication of an engine
11/25/1999WO1999059695A1 Device and method for magnetic separation of biological molecules
11/25/1999WO1999044713A3 Escutcheon-mounted filter with above counter access for cartridge renewal
11/25/1999DE19924169A1 Motor vehicle fuel tank pump
11/25/1999DE19820259A1 Waste water treatment plant inlet gully with screen and high-flow water bypass
11/24/1999EP0958850A1 Apparatus for water treatment
11/24/1999EP0958028A1 Filter cloth, filter method and filtering device for liquid filtration
11/24/1999EP0958025A1 A fluid filter, more particularly spin-on type fluid filter
11/23/1999US5989435 Method for magnetically filtering wastewaters containing oil-coated mill scale
11/23/1999US5989425 Multi-way valve and water purifier using the same
11/23/1999US5989420 Ceramic filter formed within ultrasonically vibrated extrusion molding die to have an average particle size gradient continually increasing from first surface toward second surface
11/23/1999US5989418 Filter for a washing machine
11/23/1999US5988399 Spin-on filter
11/18/1999WO1999058247A1 A magnetic filtration system
11/18/1999CA2330107A1 A magnetic filtration system
11/17/1999EP0956768A1 External filter, specially for aquariums
11/17/1999EP0956267A1 Modular multi-stage water filter apparatus
11/17/1999EP0956136A1 Oil reclamation device
11/17/1999EP0956135A1 Filter having magnetic components and method of manufacturing same
11/17/1999EP0956130A2 Elongated filter system, filter element therefor and methods of making same
11/17/1999EP0956129A1 Water purification cartridge assembly with unidirectional flow through filter media
11/17/1999CN2348910Y Pretreating filter for small water purifier
11/17/1999CN1235060A Method for determining filter replacement time of air
11/17/1999CN1235059A Filtering device
11/16/1999US5985158 Removable downspout debris trap assembly
11/16/1999US5985157 Filter device
11/16/1999US5985153 For separating, immobilizing, and quantifying biological substances from within a fluid media and also useful for quantitative analysis and sample preparation in conjunction with automated cell enumeration techniques
11/16/1999US5985144 Reverse flow cartridge
11/16/1999US5985143 Structure water filter outer shell
11/16/1999US5985142 Method of making an elongated filter system
11/16/1999US5985139 Septic tank pump and filter system
11/16/1999US5984109 Filter assembly including a disposable coreless filter element
11/16/1999US5984108 Fluid filtering system with variable filter layer
11/16/1999CA2003741C In-line filter device for compressed air
11/11/1999DE19819619A1 Filter for reversible flow hydraulic fluid circuit
11/11/1999DE19819098A1 Wasserreinigungsvorrichtung mit Mitteln zur Anzeige der Erschöpfung des Reinigungsmittels Water treatment device comprising means for displaying the exhaustion of the cleaning agent
11/10/1999EP0955447A2 Sand control screen with cathodic protection
11/10/1999EP0955268A2 Water treatment device with means for indicating the depletion of the purifying agent
11/10/1999EP0955079A2 Filtering device
11/10/1999CN2347958Y Portable water purifier
11/10/1999CN2347642Y 杂质过滤器 Impurity filter
11/09/1999US5981295 Ampule with integral filter
11/09/1999US5979304 Separation of sludge from liquid by piston-aided filtration
11/03/1999EP0782673B1 Hydraulic circuit
11/03/1999CN2346485Y Comination filter
11/03/1999CN1233970A Method and apparatus for cleaning filter surface
11/03/1999CN1233651A Means for removing bottom yeast operated outside wine cellar
11/03/1999CN1233521A Method and apparatus for recovering crystals from slurry
11/03/1999CN1233520A Filtering device
11/02/1999USH1810 Valve assembly
11/02/1999US5976824 Method and apparatus for collecting a cell sample from a liquid specimen
11/02/1999US5976362 Faucet mounted water filter
11/02/1999US5976225 Cyclic heating to high temperature in an oxidizing bake-off oven where the paint residue accumulated on the filters is reduced to ash. after cooling, the ash is removed, and the filters returned to service.
11/02/1999US5975311 Filter to be inserted into a pipe and heat exchanger equipped with a filter of this kind
11/02/1999US5975245 Temperature regulating liquid conditioning arrangement
10/1999
10/29/1999CA2268542A1 Water purifying device with means for indicating the exhaustion of the purifying medium
10/28/1999WO1999054050A1 Method for separating magnetic particles mixed in fluid, separating system, and separator
10/28/1999WO1999054020A1 Sand resistant fluid swivel
10/28/1999WO1999054019A1 Rotary filtration device with flow-through inner member
10/28/1999CA2328979A1 Method for separating magnetic particles mixed in fluid, separating system, and separator
10/27/1999EP0951928A1 Filter and disposable filter cartridge
10/27/1999EP0951342A1 Fluid driven pumps and apparatus employing such pumps
10/27/1999EP0951331A1 Filter elements and filter devices
10/27/1999EP0951330A1 Method and apparatus for cleaning a filter surface
10/27/1999EP0951329A1 Filter, in particular for the lubricating oil of an internal combustion engine
10/27/1999EP0900117A4 Control systems for operating gas cleaning devices
10/27/1999CN1233309A Device for cleaning tubs which contain liquid in working conditions, and use of the device in a washer chamber
10/27/1999CN1232609A External filtering type filter epecially external filter adapted to all kinds of aquarium
10/26/1999US5972228 Filters employing "filling bodies" to reduce the amount of backwashing fluid remaining in the filters after backwashing
10/26/1999US5972210 Bypass-mounted filter assembly
10/26/1999US5970738 Accumulator oil filter/orifice having an extended tube
10/21/1999DE19816689A1 A compact in-tank fuel pump and filter assembly for a vehicle
10/20/1999EP0949953A1 Common base for a filter container and a pump
10/20/1999EP0949952A1 Water purifier with collet and tube support and assembly method
10/20/1999EP0863793B1 Method for cleaning an immersed-membrane filtration apparatus
10/20/1999CN2344339Y Water-drinking machine with air filter device
10/20/1999CN1232405A Filtration apparatus
10/19/1999US5968357 Screen basket having a removable and replaceable cylindrical mesh liner
10/19/1999US5968351 Apparatus for receiving metalworking fluid
10/19/1999US5967111 Arrangement in an oil filter with integral oil cooler
10/14/1999WO1999051318A1 Filter housing with reinforced plastic base
10/14/1999WO1999037819A3 Amplification of nucleic acids with electronic detection
10/14/1999DE19812286A1 Continually-operated filter surrendering filtrate for automatic analysis
10/13/1999EP0948387A2 Encapsulated lenticular filter cartridge
10/12/1999US5965019 Encapsulated lenticular filter cartridge
10/12/1999US5965018 In-line metal particle removal and retention apparatus
10/07/1999DE19915445A1 Internal combustion engine canister oil filter with multiple filter elements and pressure surge protection
10/07/1999DE19835525C1 Filter preventing air accumulation in the space between the filter housing and the filter insert, specifically for filtering of heating oil flowing through this space
10/07/1999DE19814323A1 Aquarium external water filter with self-priming pump
10/06/1999EP0947231A1 Water treatment device
10/06/1999EP0947230A1 Filtering device
10/06/1999EP0946248A1 Filter with counter flow clearing
10/06/1999EP0682554B1 Filtration process
10/06/1999CN2341698Y Gas filter
1 ... 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 ... 288