Patents
Patents for B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816)
04/1988
04/26/1988US4740299 For fuel filters, self-sealing threaded o-ring
04/13/1988EP0263580A2 Buoyant filter media
04/13/1988CN86108262A Method and system for cleaning filter bed
04/06/1988EP0262992A1 Improved method and system for cleansing a filter bed
04/06/1988EP0262151A1 Filter pump head assembly.
03/1988
03/22/1988US4732671 Diesel fuel filter/water separator
03/16/1988EP0260069A2 Filter assembly with threaded collection bowl
03/02/1988EP0257265A2 Diesel fuel filter/water separator.
03/01/1988US4728438 Secondary silica removal
02/1988
02/24/1988EP0256599A2 Dehydration of fine-grained mud from waters
02/24/1988EP0256534A2 Cartridge filter with flow-conducting elements
02/16/1988US4725367 Removal suspension solids from liquids
02/09/1988US4724084 System for removing toxic organics and metals from manufacturing wastewater
02/09/1988US4724074 Clearing vent port of fluid before opening, valve body
02/03/1988CN87208254U Device for separating solid particle from liquid
02/03/1988CN86105829A Thin wing spiral automatic filtrater
01/1988
01/25/1988EP0188524A4 Filter with end cap which will accomodate flow reversal.
01/20/1988EP0253315A1 Filter press
01/20/1988EP0253006A1 Pressure separator
01/12/1988CA1231309A1 Belt filter equipped with an air suction device
01/07/1988EP0251691A2 Effluent treatment
01/07/1988EP0250639A1 Method and installation for sludge removal from waters
01/05/1988US4717485 Multi-phase separator with porous filter disks
12/1987
12/31/1987CN87203041U Moveable portable oil purifier
12/30/1987CN87104333A Revolving separator
12/29/1987US4715964 Method for filtering contaminated liquids
12/23/1987EP0250394A2 Process and apparatus for the purification of waste water from printing plants, especially from screening installations
12/23/1987EP0249856A2 Revolving separator
12/23/1987EP0170679B1 Methods of and apparatus for recovering a constituent of a process effluent
12/22/1987US4714558 Water pollution control
12/08/1987US4711729 Decanting centriguge, acceleration, separation; solvents, film-forming vehicles, fillers, pigments
12/01/1987US4710290 Fluid clarifying assembly
11/1987
11/24/1987US4708171 Drain valve
11/19/1987EP0245585A2 A filtration apparatus
11/17/1987US4707165 Removing entrapped air from engine and transmission oil
10/1987
10/28/1987EP0243243A2 Process and apparatus for separating constituent parts from a suspension
10/22/1987WO1987006306A1 Filter pump head assembly
10/20/1987US4700412 Universal trap
10/14/1987EP0241349A1 Process and device for treating fluids containing particles in suspension
10/06/1987US4698166 Multiple filtrations of heated alcohol-bakers yeast slurry to remove bacteria
09/1987
09/30/1987EP0238731A2 System for removing toxic organics and metals from manufacturing wastewater
09/23/1987CN86209518U Rotating-filtering type sand-remover
09/09/1987EP0235654A1 Process and apparatus to purify contaminated sulphur
09/09/1987EP0235315A1 Water filter
09/08/1987US4692245 Filter assembly with high pressure connection to collection bowl
09/08/1987US4692175 To filter, coalesce and separate polluted compressed gas loose oil and water
09/01/1987US4690621 Filter pump head assembly
08/1987
08/27/1987WO1987005005A1 A method and an apparatus for separating solid particles from a liquid
08/25/1987US4689153 Efficient
08/19/1987EP0232952A1 A filter apparatus having a tubular filter
08/04/1987US4684463 Small, lightweight
07/1987
07/30/1987DE3701259A1 Device for removing water from the fuel line system of an internal combustion engine
07/29/1987CN86108081A Low energy dewatering of dispersed particle latexes by electrofiltration
07/28/1987US4683067 Method and apparatus for cleaning tower basins
07/28/1987US4683055 In conduit between fuel tank and fuel injection pump
07/21/1987US4681677 Water processor having automatic shutoff and bypass means
07/21/1987US4681660 Method and device for reclaiming fluid lubricants
07/14/1987US4680110 For replacing existing fuel filters of diesel machines
07/07/1987US4678578 Replaceable, selective, leakproof; industrial use
07/07/1987US4678576 Reusable filter unit with recoverable filter membrane
07/01/1987EP0227084A1 Filter press
07/01/1987EP0226865A1 Low energy dewatering of dispersed particle latexes by electrofiltration
07/01/1987EP0226659A1 Filter press
07/01/1987CN85109568A Purification mechanism and structure of a multi-mechanism, high precision oil-purifier
06/1987
06/30/1987US4676900 Jewelry by-products; fabric trap for fine particles
06/30/1987US4676895 Fluid flow baffle for fuel processor
06/30/1987US4676810 Revolving separator
06/30/1987CA1223552A1 Installation and process for separating the constituents of a suspension
06/24/1987CN85109097A Vertical multi-sectional water purification device and its clearing method
06/23/1987US4675110 Filter device and apparatus with multiple gas return passages
06/16/1987US4673500 Sand separation and removal method and apparatus
06/16/1987US4673498 Automatic backwashing filter
06/11/1987DE3628786A1 Process for the continuous multiple-stage final purification of coal-containing waste waters
06/10/1987EP0225017A1 Filter Apparatus
06/09/1987US4671860 Low energy dewatering of dispersed particle latexes by electrofiltration
06/04/1987DE3640854A1 Apparatus and process for filtering liquids with minimal product-water mixing and minimal filtration losses
05/1987
05/27/1987EP0222851A1 Method for the recovery of valuable materials contained in lacquer residues.
05/26/1987US4668393 Spiral channel to collect pollutants, such as water
05/19/1987US4666597 Fuel treatment apparatus
05/13/1987CN86105063A Method and apparatus for use in separating solids from liquids
04/1987
04/30/1987DE3542449C1 Apparatus and method for filtering liquids
04/22/1987CN86105091A Method and apparatus for use in separating solids from liquids
04/21/1987CA1220616A1 Methods of and apparatus for recovering a constituent of a process effluent
04/15/1987EP0218317A2 Filter for intra-channel clarifier
04/14/1987US4657682 Method for dehydrating sludge
04/14/1987US4657673 Dual filtering system for swimming pools
04/09/1987DE3535714A1 Process and apparatus for thickening sludge
04/01/1987EP0216711A1 Separation process for catalyst fines, of a hydrocarbon charge, by filtration through mineral barriers and a filtration loop
03/1987
03/26/1987DE3533306A1 Process for separating and clear filtration of suspensions and apparatus therefor
03/24/1987US4652368 Water filtration system
03/24/1987CA1219529A1 Separating device and cartridge therefor
03/18/1987EP0214672A2 Process for the purification of oils
03/12/1987DE3627073A1 Apparatus for the continuous filtration of the spinning mass
03/11/1987EP0213889A2 Fluid flow baffle for fuel processor
03/11/1987EP0213509A2 Method and apparatus for use in separating solids from liquids
03/11/1987EP0213508A2 Method and apparatus for use in separating solids from liquids
03/04/1987EP0213000A2 Method and system of cleansing a filter bed
02/1987
02/18/1987CN86104373A Method and system for cleansing a filter bed
02/17/1987CA1218022A1 Pneumatic hydro-pulse filter system and method of operation
02/03/1987US4640772 Oil cleaning assemblies for engines
1 ... 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79