28846 ⎘
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 clamped between pervious fixed walls
Sub-classes:FILTRATION SYSTEMS AND METHODS OF OPERATION
#2FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR
#3FILTRATION DEVICE AND WATER FILTRATION PITCHER COMPRISING THE SAME
#4SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT
#5SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT
#6Regenerative Media Filter Cleaning Apparatus and Method
#7Systems and methods for stormwater management
#8Systems and methods for stormwater management
#9Modular filtration system and method
#10Filter with exterior and interior media components and method of filtering
#11Cartridge for airflow scrubbing systems and methods of manufacture thereof
#12PAG compressor oil conditioning filter element
#13Filter with exterior and interior media components and method of filtering
#14Paving element having drainage channels and pavement system incorporating same
#15Synthetic compressible medium filter backwash processes
#16Embedded influent diffuser for floating media filter
#17FILTER WITH EXTERIOR AND INTERIOR MEDIA COMPONENTS AND METHOD OF FILTERING
#18UNDERWATER FILTRATION OPERATOR
#19Water deflection silt collection system
#20Filter with exterior and interior media components and method of filtering
#21System for purifying air through germicidal irradiation and method of manufacture
#22Apparatus for inhibiting fines carryover
#23Oil Filter, A System, and A Mehtod For Deterioration Control
#24FILTRATION SYSTEM
#25High Rate Filtration System
#26High Rate Filtration System
#27Process for filtering a fluid with a compressible filtration media
#28Apparatus for inhibiting fines carryover
#29Modular filtration system
#30Filter appliance and inner container for a filter appliance
#31Systems and methods for stormwater management