| 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) |
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| 09/13/1988 | CA1241922A1 Washing apparatus for filter presses |
| 09/07/1988 | EP0281328A1 Fluid filtering systems |
| 09/07/1988 | EP0280939A2 Process and device for operating a filtration device |
| 09/07/1988 | EP0280717A1 Cleaning of hollow fibre filters |
| 09/06/1988 | US4769136 Filter unit with linked valve actuators |
| 09/06/1988 | US4769135 Having frangible link; predetermined rupture point |
| 09/06/1988 | US4769130 Filtration of weakly magnetic particles from fluid suspension |
| 09/01/1988 | DE3805361A1 Integral filter for fluids made of a plurality of filter elements stacked one inside the other having different retention capacities and housing therefor |
| 09/01/1988 | DE3732205C1 Filter-changing arrangement |
| 08/31/1988 | EP0280611A1 Filter element for a venting apparatus, and apparatus containing such an element |
| 08/31/1988 | EP0280063A1 Process and apparatus for improving the rest filtration in a filter |
| 08/31/1988 | EP0280052A1 Method of and apparatus for filtering a medium |
| 08/31/1988 | EP0279900A1 Oil filter |
| 08/30/1988 | US4767530 Quick change oil filter system |
| 08/30/1988 | US4766860 Warning system of filter binding in liquid supplying system |
| 08/25/1988 | WO1988006228A1 A combined filter and heat exchanger |
| 08/25/1988 | WO1988006059A1 Coupling for pressure or vacuum fluid system |
| 08/24/1988 | EP0278952A1 Filter arrangement. |
| 08/24/1988 | CN88100784A Coupling for pressure or vacuum fluid system |
| 08/17/1988 | EP0278771A1 Coupling for pressure or vacuum fluid system |
| 08/17/1988 | CN87210994U Granular medium filter |
| 08/17/1988 | CN85106378B Two-ring seal system |
| 08/16/1988 | US4764288 Method and system for cleansing a filter bed |
| 08/16/1988 | US4764276 To increase resin reaction efficiency in minimum substrate |
| 08/16/1988 | US4764275 Fluid filter and method for attaching same in sealing relation to a filter mount |
| 08/16/1988 | US4763620 Fluid retention cup |
| 08/10/1988 | EP0277660A2 Filtration method and apparatus |
| 08/10/1988 | EP0120920B1 Filter assembly for a spray booth |
| 08/10/1988 | CN87100467A Filtration method by mediums and equipment thereof |
| 08/09/1988 | US4762624 Apparatus and method for filtration and concentration of suspension |
| 08/09/1988 | US4762611 Measuring conductivity of drinking water; liquid crystal display to limit power consumtpion |
| 08/09/1988 | CA1240275A1 Blood filter |
| 08/09/1988 | CA1240274A1 Oil cleaning assemblies for engines |
| 08/09/1988 | CA1240273A1 Oil cleaning assemblies for engines |
| 08/03/1988 | EP0276621A1 Filter for the overflow of water from a swimming pool having a storage vessel serving as a gravity filter |
| 08/03/1988 | EP0276352A1 Apparatus and method for filtration and concentration of suspension |
| 08/03/1988 | CN87107681A Magnetization treater for fluid |
| 08/03/1988 | CN87104759A Energy-saving net-filter assembly for bottom valve of water pump |
| 07/29/1988 | EP0269628A4 Electrode-drain structures for dewatering of suspensions. |
| 07/28/1988 | WO1988005333A1 Improved seal arrangement for fluid filters and method |
| 07/28/1988 | DE3738718A1 Oil filter with a drain plug |
| 07/27/1988 | EP0275819A2 Labyrinth-type filter for the dielectric fluid of electro-discharge machines |
| 07/27/1988 | EP0275462A2 Method for filtering a molten plastic, and filter apparatus for an extruding installation |
| 07/26/1988 | US4759857 Isolating the gas, controlling pressure and siphoning the liquid simultaneously |
| 07/26/1988 | US4759848 Passing liqud through filter, subcooling the filter, withdrawing the filtered liquid |
| 07/26/1988 | US4759842 In-line fuel filtering device |
| 07/26/1988 | US4759835 Increasing pressure within electrode to expand outwardly membrane wall to seperate cake from wall, removal without scraping the surface of membrane |
| 07/26/1988 | CA1239592A1 Single-ended spin-on fuel water separator |
| 07/21/1988 | DE3700450A1 Electrostatic cleaning device for non-conducting liquids |
| 07/20/1988 | EP0274690A1 Method and apparatus for thickening fiber suspension |
| 07/19/1988 | US4758453 Textile substrate for bio-transformation and phase separation |
| 07/19/1988 | US4758338 Elongated housing; compressible filter |
| 07/19/1988 | US4758319 Dialyzing crossflow electrofilter with improved electrode |
| 07/14/1988 | WO1988005034A1 Removal of polynuclear aromatics from hydrocarbon mixtures |
| 07/14/1988 | EP0215061A4 Oil refiner with atomizing nozzle. |
| 07/13/1988 | EP0274432A1 Process for the removal of polynuclear aromatic compounds from hydrocarbon streams |
| 07/12/1988 | US4756829 Vibrating dewatering machine |
| 07/12/1988 | US4756826 Tank filtration system |
| 07/12/1988 | US4756824 Liquid filter with chip detector assembly |
| 07/12/1988 | US4756817 Electrolytic cell frame for electrolysis |
| 07/06/1988 | EP0273720A2 Corrosion inhibiting coolant filter |
| 07/05/1988 | US4755305 Continuous dewatering method |
| 07/05/1988 | US4755291 For treatment of liquid-containing waste |
| 07/05/1988 | CA1238862A1 Edible oil cleaner |
| 06/30/1988 | DE3718068C1 Rod-shaped gauze filter for installation in the flow path of a fuel supply |
| 06/30/1988 | DE3643670A1 Disc filter, in particular for the hydraulics in mining |
| 06/28/1988 | US4753727 Helical coil spring; miniature fluid system component |
| 06/28/1988 | US4753724 Bypass oil refining device for internal combustion engines |
| 06/22/1988 | EP0271985A1 Apparatus for separating and drying fine particles |
| 06/22/1988 | EP0271486A1 Twist on disposable filter |
| 06/21/1988 | US4752402 Settling pond separation using permeable fabric and weighting |
| 06/21/1988 | US4752387 For internal combustion engines |
| 06/21/1988 | US4752386 Filter apparatus having filter elements shiftable between filtering and backwashing positions |
| 06/21/1988 | US4751940 Check valve |
| 06/14/1988 | US4751000 Multiple-disc type filters |
| 06/14/1988 | US4750999 Filter employing barrier |
| 06/14/1988 | US4750998 Desalting filtration device |
| 06/08/1988 | EP0270303A2 Filter assemblies |
| 06/08/1988 | EP0269895A2 Liquid-filter, in particular for fuels |
| 06/08/1988 | EP0269628A1 Electrode-drain structures for dewatering of suspensions |
| 06/08/1988 | CN87209861U Unified reverse-flushing filter |
| 06/07/1988 | US4749479 Forcing slurry through polypropylene fabric |
| 06/07/1988 | CA1237677A1 Repelling-action filter unit and assembly |
| 06/07/1988 | CA1237676A1 Thermostatically controlled pack hold-down assembly |
| 06/01/1988 | EP0269575A2 A filter having an integral shut-off valve |
| 06/01/1988 | EP0269054A2 Filter arrangement for the purification of fluids, in particular lubricating oils of combustion engines |
| 06/01/1988 | EP0268752A1 Apparatus for the mechanical purification of liquids |
| 05/31/1988 | US4747378 Lubricating oil filter for internal combustion engines, particularly of motor vehicles, with members for monitoring the degree of clogging of the filtration surface |
| 05/25/1988 | EP0268009A1 Filter cartridge |
| 05/24/1988 | US4746427 Oil filter for transmission |
| 05/24/1988 | US4745876 Differential pressure responsive indicating device |
| 05/19/1988 | WO1988003513A1 Fluid magnetizer |
| 05/19/1988 | DE3638371A1 Process for separating solids contained in a liquid, in particular solids contained in waste waters, and an apparatus for carrying out the process |
| 05/19/1988 | DE3638250C1 Process for stabilising beer with a clarifying agent and regeneration filter therefor |
| 05/19/1988 | DE3249687C2 Apparatus and process for separating off and drying solid substances from liquids |
| 05/18/1988 | EP0267783A2 Filter device |
| 05/17/1988 | US4744898 Inflatable screen clamp |
| 05/17/1988 | US4744897 Sweeper type apparatus for clearing the deposition formed on the bottom of a pond |
| 05/11/1988 | EP0154634B1 Water inlet including a rack or frame with drain pipes |
| 05/11/1988 | DE3637325A1 Lubricating oil filter for an internal combustion engine |