Patents
Patents for B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047)
10/1995
10/20/1995CA2147210A1 Method and apparatus for cleaning the filter medium in a suction dryer
10/20/1995CA2121634A1 Universal recycled wash water system
10/19/1995WO1995027549A1 Apparatus and method for improving gas backwash in lateral underdrains
10/18/1995EP0676985A1 Method and device for removing liquid on a gauze conveyor and hollow roll comprising a tube for use in such a device.
10/18/1995CN2210023Y Mini water filtration apparatus used by mouth sucking
10/18/1995CN2210022Y Multi-function filtering core
10/17/1995US5458788 Plastic media filter
10/12/1995WO1995026799A1 Air grid for underdrain and methods
10/11/1995CN1109846A Process and apparatus for the biological purification of water
10/04/1995CN2208968Y Step water purifying apparatus
10/03/1995US5454959 Moving bed filters
10/03/1995US5454354 Oil filtering system
09/1995
09/27/1995EP0673349A1 Improvements relating to plastics articles
09/27/1995EP0673276A1 Removal of impurities.
09/26/1995US5453193 Strainer
09/20/1995EP0672440A1 Filter for cleaning water
09/20/1995EP0653953A4 Loading control system for a cyclical centrifugal machine.
09/20/1995CN2207867Y Drinking water purifier for household
09/19/1995US5451791 Water disinfecting apparatus
09/14/1995WO1995024256A1 Water treatment device
09/13/1995CN2207213Y Filtering pot
09/13/1995CN2207212Y Liquid cleaner
09/13/1995CN1108144A Liquid filter
09/12/1995US5449453 Water treatment, downflow filter, periodic backflow
09/06/1995EP0669848A1 A suction head arranged between a filtrate channel and a barometric leg of a rotating filter.
09/06/1995CN2206665Y Inorganic super-filter drinking purifier
09/05/1995US5447863 Laminar flow of liquid containing suspended islets through elongated conduit with inlet and outlet ends, constant cross section, incline so inlet is above outlet, and well depending from floor; allowing islets to sediment into well; removing
08/1995
08/24/1995DE19505306A1 Filtration system having tightly closed housing contg. filter material
08/23/1995EP0667800A1 Pleated filter assembly, and the method and apparatus for making
08/23/1995CN2205735Y Filter
08/16/1995EP0667177A1 Filter for liquids
08/15/1995US5441631 Waste treatment system
08/15/1995US5441157 Method and device for separating a suspension, preferably a fibre suspension
08/10/1995WO1995017939A3 Filter for liquids
08/09/1995CN2204634Y Flowing water purifier
08/09/1995CN2204631Y Mechanical fiber filter
08/09/1995CN1106364A Lime softening water treatment method and its filtering equipment
08/02/1995CN1105899A Iron cage dam (or dyke) technology for purification of waste water
07/1995
07/27/1995WO1995019937A1 Plant that purifies water from iron and manganese by aeration and filtration
07/26/1995EP0663846A1 Vacuum filtration device
07/26/1995EP0540698B1 Device for removing dirt particles from water
07/20/1995WO1995019213A1 Effluent treatment process and apparatus
07/19/1995EP0532494B1 Improved water clarifying apparatus
07/19/1995CN2203625Y Water purifier
07/13/1995WO1995018663A1 Improved strainer
07/13/1995DE4400582A1 Water filter
07/11/1995US5431809 Apparatus for sealing a traveling bridge filter backwash shoe
07/06/1995WO1995017940A1 Filter for liquids
07/06/1995WO1995017939A2 Filter for liquids
07/01/1995CA2138464A1 Liquid filter
06/1995
06/28/1995EP0641292A4 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation.
06/28/1995CN1104184A Electrochemical water-purifying device
06/27/1995US5427605 Filtration of solvent extraction solution to remove suspended solid impurities
06/20/1995US5425882 Apparatus for removing dirt particles from water
06/14/1995EP0657389A1 Method and apparatus for the biological purification of water
06/14/1995EP0553293B1 Rotary filter with external adjustment of blowback valve
06/13/1995US5423977 Rotary filter with automatic spray cleaning device for cleaning same
06/09/1995CA2139519A1 Process and apparatus for the biological purification of water
06/07/1995EP0655938A1 Filter jug.
06/06/1995US5422020 Floor jets for air integrated into the floor jets for liquid so flow rate of water is less then the ascent of gas bubbles; countercurrent flow; stability
06/06/1995US5421176 Drum washer
05/1995
05/24/1995EP0654294A2 Process and apparatus for the filtration of solid particles from liquids and the backwashing of the filter
05/24/1995EP0653953A1 Loading control system for a centrifugal machine
05/24/1995EP0653952A1 Treatment device.
05/24/1995EP0653951A1 Process and apparatus for removing bottoms from a mixture
05/24/1995CN2198020Y Fluid driving fiber filter pond
05/24/1995CN2198019Y Fiber bundle filter by mechanical back washing and compressing
05/18/1995WO1995013124A1 Dynamic sand filter
05/18/1995WO1995013123A1 Lateral underdrain
05/17/1995EP0653234A1 Liquid filter
05/17/1995EP0652852A1 Waste water treatment.
05/17/1995CN2197109Y Filter with fluid bed
05/17/1995CN2197108Y Floatable-bed filter
05/17/1995CN2197107Y Water purifier
05/10/1995EP0651671A1 Air-liquid separator assembly and system.
05/10/1995CN2196506Y High-efficient absorbent carbon filter for air purificator
05/09/1995US5413710 Lateral underdrain
05/09/1995CA1335519C Method for enhancing the separation capacity of a multi-bed filtration system
05/03/1995EP0651218A1 Device for continuous filtering and drying a suspension of solids
05/03/1995EP0650389A1 Deep bed sand filter
05/03/1995EP0309502B1 Method for the cleaning of the filter plates in a suction dryer
05/03/1995CN2195966Y Automatic water purification device of siphon type
05/03/1995CN2195965Y Filter bag for water purification equipment
05/03/1995CN1102137A Automatic control system for variable speed filter pond
05/03/1995CN1102136A Double parameter automatic control backwashing system for filter tank
04/1995
04/29/1995CA2134318A1 Device for continuous filtration and drying of a solid suspension
04/27/1995WO1995011070A1 Deep bed filtration system
04/19/1995CN2195055Y 多功能空气净化器 Multifunctional air purifier
04/19/1995CN2194750Y Filter with compressible filler
04/18/1995US5407574 Filter media for filter systems
04/06/1995WO1995009268A1 Method and apparatus for dewatering of a fibre suspension
04/06/1995WO1995009038A1 Method and device for slow filtration of raw water
04/06/1995CA2172285A1 Method and apparatus for dewatering of a fibre suspension
04/05/1995CN2193764Y Soft filler filter
03/1995
03/29/1995EP0645446A2 Device for retaining stabilising agents for drinks and other fluids
03/29/1995CN2193194Y Adjustable filtering head for air-water back-flushing filtering tank
03/29/1995CN2193193Y Fibre filtering device
03/29/1995CA2107172A1 Compactors
03/28/1995US5401405 Combined air/water backwash in a travelling bridge filter
03/23/1995WO1995007744A1 System and method of processing mixture of solids and liquids
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