28844 ⎘
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
MULTI-STAGE FILTRATION SYSTEM
#2LAYERED MEDIA BACKWASH WITH INTERNAL DRAFT TUBE
#3MULTI-STAGE FILTRATION SYSTEM FOR FUEL CELL HYBRID PROPULSION SYSTEM
#4Fluid filtering apparatus and method
#5LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF
#6Water purification housing and rainwater purification system using the same
#7SUBTERRANEAN GRAVITY-FLOW GRAYWATER FILTRATION APPARATUS AND SYSTEM
#8Fluid filtering apparatus and method
#9LIQUID FILTERATION SYSTEM
#10Systems and methods for purifying solvents
#11Water treatment device
#12Liquid treatment device
#13Apparatus for filtering liquids
#14Recirculation filter for an enclosure
#15Contaminant extraction in a borehole
#16FILTER DEVICE
#17PAG compressor oil conditioning filter element
#18Cartridge filter using nanofiber composite fiber yarn and method for manufacturing same
#19Multilayer Media Bed Filter with Improved Backwash
#20Oil water separator filter cartridge to housing engagement
#21OIL WATER SEPARATOR FILTER HOUSING HAVING MULTIPLE OUTLETS
#22Oil water separator diffuser cap extension to filter cartridge
#23Fluid distribution unit for a chromatography column
#24Water treatment dispensing apparatus
#25Recirculation filter for an electronic enclosure
#26FLUID DISTRIBUTION UNIT FOR A CHROMATOGRAPHY COLUMN
#27Water softening device for use for a pet
#28FLUID FILTER
#29WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD USING THE SAME
#30Fluid filtration system
#31Water treatment apparatus
#32Device for purifying a water sink
#33Dual medium filter for ion and particle filtering during semiconductor processing
#34Liquid filter device
#35Filter cartridge, in particular for purifying dental waste waters
#36Water treatment pressure vessel having internal conical distributor plates
#37Syphon filtration system
#38Secondary filtration device applicable to a three-phase process
#39Filtration apparatus
#40Grey Water Filtering System
#41Fluid distribution apparatus
#42Deflector for a water/wastewater filtration tank
#43Trash rack for nuclear power plant
#44Deep bed filter
#45Filter having a filter layer that forms a protective barrier to prevent clogging of a gravel-less underdrain and method of making the same
#46Intersecting water conducting filter
#47Granular filtration device for water
#48Flow distribution apparatus
#49Method and apparatus for treating water
#50Filter appliance and inner container for a filter appliance
#51Filtration and plug drain device for containing oil and chemical spills
#52Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system
#53Method of making a filter with ground animal bone granules and filtering therewith
#54Filtered drinking straw
#55Water treatment dispensing apparatus