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