28861 ⎘
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 held in a closed container; Upward filtration the container having distribution or collection headers or pervious conduits
REGENERATIVE MEDIA FILTER AIR SCOURING APPARATUS AND METHOD
#2SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT
#3SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT
#4Regenerative Media Filter Cleaning Apparatus and Method
#5REGENERATIVE MEDIA FILTER AIR SCOURING APPARATUS AND METHOD
#6Systems and methods for stormwater management
#7Systems and methods for stormwater management
#8Methods for cleaning filtration system media
#9Filter system
#10Methods for cleaning filtration system media
#11Mechanical filter element, apparatus and method
#12Filter element and filter device
#13SEALING STRUCTURE AND FLUID TREATMENT UNIT
#14Filter cartridge and filter device
#15SEALING STRUCTURE, FLUID TREATMENT UNIT, FLUID TREATMENT DEVICE AND MANUAL SWITCHING MECHANISM THEREFOR
#16Device for coupling to equipment for treating water in general and waste water
#17METHOD AND APPARATUS FOR REMOVING IMPURITIES IN REJECTS FROM SEQUENTIAL FILTERS USING SEPARATE TREATMENT UNITS
#18Filtration apparatus