28866 ⎘
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container Downward filtration without specifications about the filter material supporting means
Water Filter Priming Bag Apparatus, Systems and Methods
#2AQUARIUM SKIMMER DEVICES, SYSTEMS, AND METHODS
#3APPARATUS FOR PREVENTING IMPURITIES IN A WASHING FLUID FROM CLOGGING AN UNDERDRAIN AND METHODS FOR PREVENTING CLOGGING OF THE UNDERDRAIN AND/OR MONITORING THE APPARATUS
#4Aquarium skimmer devices, systems, and methods
#5SUBTERRANEAN GRAVITY-FLOW GRAYWATER FILTRATION APPARATUS AND SYSTEM
#6APPARATUS FOR REMOVING IMPURITIES FROM WATER OR WASTEWATER AND A METHOD OF INSTALLING A FLUID DISTRIBUTION SYSTEM THEREIN
#7Animal waste filter
#8Clearing device
#9Integrated unit for intake and pretreatment with local backwashing
#10Apparatus and method for removing impurities from water or wastewater
#11Aquarium system
#12Apparatus for removing impurities from water or wastewater
#13Composition, device, and method for biological air sampling
#14Water processing filter and manufacturing method therefor
#15Apparatus for removing impurities from water or wastewater and a method of installing a fluid distribution system therein
#16Method for washing a filter for filtering water or wastewater
#17Composition, device, and method for biological air sampling
#18Method of installing an air scour system into a filter bed