28843 ⎘
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
Sub-classes:In-Pipe Stormwater Treatment Unit Best Management Practice (I-STUB)
#2FILTRATION SYSTEM
#3FILTRATION SYSTEM
#4METHOD AND PACKAGED SYSTEM FOR FILTERING WATER
#5Method and Apparatus for Water Filtration
#6LIQUID FILTRATION MEDIA CONTAINING MELT-BLOWN FIBERS
#7Sprayer Filtering System
#8WATER FILTRATION APPARATUS AND PROCESS
#9DEVICE AND METHOD FOR HARMLESS TREATMENT AND REGENERATION OF WASTE LIQUID DISCHARGE DURING WATER GLASS MOLD SHELL HARDENED WITH AMMONIUM CHLORIDE SOLUTION
#10SYSTEMS AND METHODS FOR AQUIFER REPLENISHMENT, WATER FILTRATION, AND DESALINATION
#11Sprayer filtering system
#12DATE SEED POWDER FOR WATER FILTRATION TREATMENT
#13Method and packaged system for filtering water
#14Method and apparatus for water filtration
#15WATER FILTRATION APPARATUS AND PROCESS
#16FILTER CARTRIDGE FOR A WHOLE HOUSE WATER FILTERING SYSTEM
#17Water purification housing and rainwater purification system using the same
#18Filter system for removing and/or neutralizing undissolved oil, grease, and salts and/or abraded metal particles on and in emulsions containing water
#19Date seed powder for water filtration treatment
#20Water treatment dispensing apparatus
#21FILTER DEVICE
#22Automatic sand filter system controller
#23AUTOMATIC SAND FILTER BACKWASH CONTROLLER
#24Tide water filtering tanks having high circulation
#25WATER FILTER AND WATER FILTRATION APPARATUS
#26Nutrient Removal Filtration System and Method
#27Industrial wastewater treatment system and method for garment finishing, jeans and denim industry
#28Capture, disruption, and extraction apparatus and method
#29SATURATED LAYER STORMWATER FILTRATION SYSTEM
#30Liquid filtration media containing melt-blown fibers
#31Sprayer filtering system
#32Capture, disruption, and extraction apparatus and method
#33Customizable multi-stage water treatment system
#34Nutrient removal filtration system and method
#35Method and apparatus for water filtration
#36Filter cartridge for a whole house water filtering system
#37Up-flow water filtration system
#38Antimicrobial application system with recycle and capture
#39SECONDARY TUBULAR COMPOSITE FILTER SOCK SEAM FILLING DEVICE AND METHOD OF USING SAME AND COMPOSITE FILTER SOCK ASSEMBLY INCORPORATING A SEAM FILLING DEVICE
#40Fiber filtering apparatus
#41Animal waste filter
#42System for staged continuous cooled filtration
#43Customizable multi-stage water treatment system
#44Mobile microalgae harvesting
#45Antimicrobial application system with recycle and capture
#46PRODUCED WATER FILTRATION
#47Air to electrical energy and water microgrid
#48Secondary tubular composite filter sock seam filling device and method of using same and composite filter sock assembly incorporating a seam filling device
#49Apparatus and method for removing impurities from water or wastewater
#50Multi-stage filter assembly
#51Oil water separator diffuser cap extension to filter cartridge
#52Fiber filtering apparatus
#53Water treatment dispensing apparatus
#54Saturated layer stormwater filter and passive stormwater management system with pretreatment
#55Grout bridge for filter underdrain blocks
#56Water treatment apparatus
#57Modular stormwater filtration
#58Filter medium for deactivating allergens
#59FLUID FILTRATION AND DISTRIBUTION SYSTEM FOR PLANTING DEVICES
#60Seawater pretreatment device
#61Customizable multi-stage water treatment system
#62ANTIMICROBIAL APPLICATION SYSTEM WITH RECYCLE AND CAPTURE
#63Filter system for removing and/or neutralizing undissolved oils, greases, and salts and/or metal abrasion debris on and in emulsions containing water
#64Systems and methods of eliminating filter air locks
#65Integrated multi-trophic farming process
#66Grout support installation method for filter underdrain system
#67Fluid concentrator, autologous concentrated body fluids, and uses thereof
#68Faucet with built-in filter units
#69Antimicrobial application system with recycle and capture
#70DEVICE FOR FILTERING WATER
#71Quick-dry filter dewatering mobile process and apparatus
#72Method for the treatment of water and wastewater
#73Extraction process
#74Customizable multi-stage water treatment system
#75Customizable multi-stage water treatment assembly
#76Floating filter media filtration system with backwash
#77Water filter system
#78METHOD FOR THE TREATMENT OF WATER AND WASTEWATER
#79Liquid filter device
#80FLUID CONCENTRATOR, AUTOLOGOUS CONCENTRATED BODY FLUIDS, AND USES THEREOF
#81Application system with recycle and related use of antimicrobial quaternary ammonium compound
#82Device for coupling to equipment for treating water in general and waste water
#83METHOD AND APPARATUS FOR REMOVING IMPURITIES IN REJECTS FROM SEQUENTIAL FILTERS USING SEPARATE TREATMENT UNITS
#84Sand filter and method of constructing same
#85Water quality drain basin insert
#86Method and apparatus for increasing filter contaminant loading capacity
#87Multi-stage filter assembly
#88Continuous water filtration, disinfection and conservation system
#89Nutrient removal filtration system and method
#90Method of removing undesirable solid components from a renewable or non-renewable feed and apparatus used in same
#91Water treatment dispensing apparatus