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) |
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10/20/1995 | CA2147210A1 Method and apparatus for cleaning the filter medium in a suction dryer |
10/20/1995 | CA2121634A1 Universal recycled wash water system |
10/19/1995 | WO1995027549A1 Apparatus and method for improving gas backwash in lateral underdrains |
10/18/1995 | EP0676985A1 Method and device for removing liquid on a gauze conveyor and hollow roll comprising a tube for use in such a device. |
10/18/1995 | CN2210023Y Mini water filtration apparatus used by mouth sucking |
10/18/1995 | CN2210022Y Multi-function filtering core |
10/17/1995 | US5458788 Plastic media filter |
10/12/1995 | WO1995026799A1 Air grid for underdrain and methods |
10/11/1995 | CN1109846A Process and apparatus for the biological purification of water |
10/04/1995 | CN2208968Y Step water purifying apparatus |
10/03/1995 | US5454959 Moving bed filters |
10/03/1995 | US5454354 Oil filtering system |
09/27/1995 | EP0673349A1 Improvements relating to plastics articles |
09/27/1995 | EP0673276A1 Removal of impurities. |
09/26/1995 | US5453193 Strainer |
09/20/1995 | EP0672440A1 Filter for cleaning water |
09/20/1995 | EP0653953A4 Loading control system for a cyclical centrifugal machine. |
09/20/1995 | CN2207867Y Drinking water purifier for household |
09/19/1995 | US5451791 Water disinfecting apparatus |
09/14/1995 | WO1995024256A1 Water treatment device |
09/13/1995 | CN2207213Y Filtering pot |
09/13/1995 | CN2207212Y Liquid cleaner |
09/13/1995 | CN1108144A Liquid filter |
09/12/1995 | US5449453 Water treatment, downflow filter, periodic backflow |
09/06/1995 | EP0669848A1 A suction head arranged between a filtrate channel and a barometric leg of a rotating filter. |
09/06/1995 | CN2206665Y Inorganic super-filter drinking purifier |
09/05/1995 | US5447863 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 |
08/24/1995 | DE19505306A1 Filtration system having tightly closed housing contg. filter material |
08/23/1995 | EP0667800A1 Pleated filter assembly, and the method and apparatus for making |
08/23/1995 | CN2205735Y Filter |
08/16/1995 | EP0667177A1 Filter for liquids |
08/15/1995 | US5441631 Waste treatment system |
08/15/1995 | US5441157 Method and device for separating a suspension, preferably a fibre suspension |
08/10/1995 | WO1995017939A3 Filter for liquids |
08/09/1995 | CN2204634Y Flowing water purifier |
08/09/1995 | CN2204631Y Mechanical fiber filter |
08/09/1995 | CN1106364A Lime softening water treatment method and its filtering equipment |
08/02/1995 | CN1105899A Iron cage dam (or dyke) technology for purification of waste water |
07/27/1995 | WO1995019937A1 Plant that purifies water from iron and manganese by aeration and filtration |
07/26/1995 | EP0663846A1 Vacuum filtration device |
07/26/1995 | EP0540698B1 Device for removing dirt particles from water |
07/20/1995 | WO1995019213A1 Effluent treatment process and apparatus |
07/19/1995 | EP0532494B1 Improved water clarifying apparatus |
07/19/1995 | CN2203625Y Water purifier |
07/13/1995 | WO1995018663A1 Improved strainer |
07/13/1995 | DE4400582A1 Water filter |
07/11/1995 | US5431809 Apparatus for sealing a traveling bridge filter backwash shoe |
07/06/1995 | WO1995017940A1 Filter for liquids |
07/06/1995 | WO1995017939A2 Filter for liquids |
07/01/1995 | CA2138464A1 Liquid filter |
06/28/1995 | EP0641292A4 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation. |
06/28/1995 | CN1104184A Electrochemical water-purifying device |
06/27/1995 | US5427605 Filtration of solvent extraction solution to remove suspended solid impurities |
06/20/1995 | US5425882 Apparatus for removing dirt particles from water |
06/14/1995 | EP0657389A1 Method and apparatus for the biological purification of water |
06/14/1995 | EP0553293B1 Rotary filter with external adjustment of blowback valve |
06/13/1995 | US5423977 Rotary filter with automatic spray cleaning device for cleaning same |
06/09/1995 | CA2139519A1 Process and apparatus for the biological purification of water |
06/07/1995 | EP0655938A1 Filter jug. |
06/06/1995 | US5422020 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 |
06/06/1995 | US5421176 Drum washer |
05/24/1995 | EP0654294A2 Process and apparatus for the filtration of solid particles from liquids and the backwashing of the filter |
05/24/1995 | EP0653953A1 Loading control system for a centrifugal machine |
05/24/1995 | EP0653952A1 Treatment device. |
05/24/1995 | EP0653951A1 Process and apparatus for removing bottoms from a mixture |
05/24/1995 | CN2198020Y Fluid driving fiber filter pond |
05/24/1995 | CN2198019Y Fiber bundle filter by mechanical back washing and compressing |
05/18/1995 | WO1995013124A1 Dynamic sand filter |
05/18/1995 | WO1995013123A1 Lateral underdrain |
05/17/1995 | EP0653234A1 Liquid filter |
05/17/1995 | EP0652852A1 Waste water treatment. |
05/17/1995 | CN2197109Y Filter with fluid bed |
05/17/1995 | CN2197108Y Floatable-bed filter |
05/17/1995 | CN2197107Y Water purifier |
05/10/1995 | EP0651671A1 Air-liquid separator assembly and system. |
05/10/1995 | CN2196506Y High-efficient absorbent carbon filter for air purificator |
05/09/1995 | US5413710 Lateral underdrain |
05/09/1995 | CA1335519C Method for enhancing the separation capacity of a multi-bed filtration system |
05/03/1995 | EP0651218A1 Device for continuous filtering and drying a suspension of solids |
05/03/1995 | EP0650389A1 Deep bed sand filter |
05/03/1995 | EP0309502B1 Method for the cleaning of the filter plates in a suction dryer |
05/03/1995 | CN2195966Y Automatic water purification device of siphon type |
05/03/1995 | CN2195965Y Filter bag for water purification equipment |
05/03/1995 | CN1102137A Automatic control system for variable speed filter pond |
05/03/1995 | CN1102136A Double parameter automatic control backwashing system for filter tank |
04/29/1995 | CA2134318A1 Device for continuous filtration and drying of a solid suspension |
04/27/1995 | WO1995011070A1 Deep bed filtration system |
04/19/1995 | CN2195055Y 多功能空气净化器 Multifunctional air purifier |
04/19/1995 | CN2194750Y Filter with compressible filler |
04/18/1995 | US5407574 Filter media for filter systems |
04/06/1995 | WO1995009268A1 Method and apparatus for dewatering of a fibre suspension |
04/06/1995 | WO1995009038A1 Method and device for slow filtration of raw water |
04/06/1995 | CA2172285A1 Method and apparatus for dewatering of a fibre suspension |
04/05/1995 | CN2193764Y Soft filler filter |
03/29/1995 | EP0645446A2 Device for retaining stabilising agents for drinks and other fluids |
03/29/1995 | CN2193194Y Adjustable filtering head for air-water back-flushing filtering tank |
03/29/1995 | CN2193193Y Fibre filtering device |
03/29/1995 | CA2107172A1 Compactors |
03/28/1995 | US5401405 Combined air/water backwash in a travelling bridge filter |
03/23/1995 | WO1995007744A1 System and method of processing mixture of solids and liquids |