Patents
Patents for B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816)
03/1989
03/09/1989WO1989001814A1 Filtration plant
03/07/1989US4810393 Heating, centrifuging, filtration
03/01/1989CN2033289U Separator for ash and water
02/1989
02/22/1989EP0303835A1 Fuel filter
02/21/1989US4806135 Bubble trap for phase-separating gas bubbles from flowing liquids
02/16/1989DE3717947A1 Method and apparatus for concentrating substances from liquids
02/02/1989DE3744695A1 Method for dredging and dressing silt from harbours, waterways etc.
02/02/1989DE3724251A1 Verfahren und vorrichtung zum baggern von schlick aus hafen, wasserstrassen oder dergleichen Method and device for dredging of silt from harbor, water roads or the like
01/1989
01/26/1989WO1989000630A1 Process and device for dredging silt in ports, waterways and the like
01/25/1989EP0300910A1 Device for filtering and gas-bleeding a supply fuel for an internal-combustion engine
01/18/1989CN2030898U Airstream fume filter
01/18/1989CN1030395A Method of and arrangement for purifying contaminated water
01/12/1989WO1989000288A1 Filtration unit with pressure compensation
01/11/1989EP0298512A1 Filter unit with pressure equalisation
01/10/1989CA1248644A1 Wastewater treatment plant and method
01/10/1989CA1248486A1 Filter-centrifuge series combination for improved oil- wax separation
01/05/1989DE3721667A1 Process for preparing sodium sulphate
01/04/1989EP0297417A1 Process and plant for the removal of contaminants from soil
12/1988
12/28/1988EP0296336A1 Dynamic pressure filter
12/27/1988US4793934 Method for enhancing the separation capacity of a multi-bed filtration system
12/21/1988CN88212278U Vacuum dust catcher
12/15/1988WO1988009698A1 Liquid separator
12/08/1988DE3717635A1 Process for separating an oil/water emulsion by freezing out the aqueous phase
12/01/1988WO1988009308A1 Method of and arrangement for purifying contaminated water
11/1988
11/29/1988US4787987 Filter apparatus and method
11/29/1988US4787972 Two-stage filter apparatus
11/29/1988CA1245569A1 Drain system for fuel processor apparatus
11/29/1988CA1245568A1 Device for processing fluid with solid bodies
11/24/1988DE3816434A1 Filter module of sheet filter elements
11/23/1988EP0291985A2 Filter exchange device for an extrusion molding machine
11/23/1988EP0291883A2 Filter module with filtering layers
11/23/1988EP0291716A2 Method for enhancing the separation capacity of a multibed filtration system
11/23/1988EP0291538A1 Process and apparatus for the continuous filtration of liquids
11/22/1988US4786420 Purifying the water supply in a household
11/22/1988US4786408 Draining precoat liquid prior to feeding liquid
11/15/1988US4784169 Apparatus for treating articles with solution to remove solids and then filtering the solution
11/09/1988EP0289674A1 Multi-phase separator
11/03/1988DE3805299A1 Integral filter for separating off fluid constituents and housing therefor
11/02/1988EP0289188A2 Fluid filter drain assembly
11/01/1988CA1243985A1 Particle size range separations prior to de-watering
10/1988
10/27/1988DE3713238A1 Washing machine and washing process for the treatment of clean-room clothing in such a machine
10/25/1988US4780203 Liquid separators
10/25/1988US4780201 Waste water separator with hydrocyclone, constructive collection passageway and skimmer for separation of flotable contaminants
10/18/1988US4778605 Method for removing liquid from a liquid-solids mixture
10/18/1988US4778604 Method for reclaiming waste ink
10/18/1988US4778595 Swimming pool filter tanks; air pressure relief and checking
10/11/1988CA1242979A1 Pressure filter (hpc clarifil)
10/05/1988EP0285416A1 Fuel filter assembly with heater
10/04/1988US4775468 Intense agitation with dilute activated polymer yields firm non-sticky filter-cake; high speed, transportable
09/1988
09/21/1988EP0283381A1 Process for the purification and the valorization of hydrocarbon oil suspensions
09/21/1988EP0282621A1 Method and installation for sludge removal from waters
09/20/1988US4772402 Tools, recovering, pumping, filtration, circulation
09/20/1988US4772401 Cleaning fuel tanks using a gravity separator; agitation of sludge; continuous process
09/20/1988US4772400 Method and facility for removing sludge from water
09/20/1988US4772398 Method for treatment of waste water and its apparatus
09/20/1988CA1242152A1 Side-by-side fuel processor apparatus
09/14/1988CN87217192U Side liquid purifying device
09/13/1988US4770773 Waste water treatment
09/13/1988CA1242017A1 Heater and water probe
09/06/1988US4769158 Molten metal filtration system using continuous media filter
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
08/1988
08/31/1988EP0280611A1 Filter element for a venting apparatus, and apparatus containing such an element
08/30/1988CA1241463A1 Process and apparatus for handling waste from oil well operations
08/24/1988EP0279021A2 Method for removing metallic particles from a cleaning solution in cleaning machines
08/23/1988US4765912 Agglomeration of silica to form sludge; removal of clarified liquid; reuse of silica as seed material
08/23/1988US4765889 Moving bridge filter - telescoping floating pot skimmer
08/18/1988DE3703606A1 Process for dewatering sludges
08/16/1988US4764288 Method and system for cleansing a filter bed
08/09/1988US4761895 Method and apparatus for dehydrating sludge
08/09/1988CA1240274A1 Oil cleaning assemblies for engines
08/09/1988CA1240273A1 Oil cleaning assemblies for engines
08/03/1988EP0276355A1 Filter press with a number of membrane filter plates
07/1988
07/28/1988WO1988005334A1 Methods and apparatus for liquid filtration
07/28/1988DE3736657A1 Process for dewatering sewage sludge and plant for carrying out the process
07/27/1988EP0275819A2 Labyrinth-type filter for the dielectric fluid of electro-discharge machines
07/26/1988CA1239592A1 Single-ended spin-on fuel water separator
07/14/1988WO1988004951A1 Filter apparatus and method
07/12/1988USRE32711 Arterial blood filter with improved gas venting
06/1988
06/29/1988EP0222851B1 Method for the recovery of valuable materials contained in lacquer residues
06/21/1988US4752390 Rotary vacuum filters with a horizontal filtration plane
06/21/1988US4752387 For internal combustion engines
06/21/1988US4752363 Adding alkali metal hydroxide, filtration and electrolysis
06/21/1988US4751940 Check valve
06/07/1988US4749484 Home water filter
06/07/1988CA1237677A1 Repelling-action filter unit and assembly
06/07/1988CA1237676A1 Thermostatically controlled pack hold-down assembly
05/1988
05/25/1988EP0268009A1 Filter cartridge
05/25/1988CN87203304U Moveable dust and smoke filter for poisonous gas
05/24/1988US4746441 Method of purifying brine for electrolytic chemical production
05/24/1988CA1237008A1 Pulp thickening utilizing stationary screens
05/19/1988DE3637425A1 Process and apparatus for dewatering sludge-like materials
05/18/1988EP0267636A1 Device to carry out sedimentation and collection of sludges
05/18/1988EP0267328A1 Method and apparatus for the purification of waste water, especially of muddy water resulting from the sludge removal from waters
05/17/1988CA1236776A1 Method and device for filtering lubricating oil for a dough divider machine
05/11/1988EP0267014A2 Liquid separators
05/10/1988CA1236407A1 Filter with end cap which will accommodate flow reversal
05/05/1988WO1988003048A1 Process and installation for dewatering waste water sludge
04/1988
04/28/1988DE3635766A1 Apparatus for dewatering sludge and similar substances
04/27/1988EP0264899A2 Dehydration device for muds and similar products
04/27/1988EP0193565A4 Apparatus for clarification of water.
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