30220 ⎘
Aspects relating to filtering material for liquid or gaseous fluids; Filter cloth, e.g. knitted, woven non-woven; self-supported material Special geometry of layers
Sub-classes:ELECTRET-CONTAINING FILTER MEDIA
#2INTEGRATION OF POROUS AND PERMEABLE FEED SPACERS ONTO MEMBRANE SURFACES
#3MULTILAYERED MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS
#4FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT
#5Fluid Drainage System with Textured Core Sheets
#6BREATHING HALF MASK
#7SANITARY MASK SHEET
#8Method of reducing the concentration of hydrogen sulfide in a gas stream
#9SYSTEMS AND METHODS OF MAKING PRODUCTS CONTAINING FIBROUS MATERIAL
#10SYSTEMS AND METHODS FOR SEPARATING AND/OR ISOLATING NANOPARTICLES WITHIN A GASEOUS MEDIUM
#11SYSTEMS AND METHODS FOR CONTINUOUS PRODUCTION OF FIBROUS MATERIALS AND NANOPARTICLES
#12HIGH EFFICIENCY FILTER MEDIA
#13FILTER MODULE FOR WATER DISPENSING DEVICE
#14UNDULATED FILTER MEDIA
#15Filter media with improved dust loading
#16ELECTRET-CONTAINING FILTER MEDIA
#17Depth filter
#18Filtration media
#19Textured core sheets for fluid drainage unit
#20Electret-containing filter media
#21FILTER MEDIA INCLUDING ORIENTED FIBERS
#22Large format melt-blown depth filter cartridge
#23Method of making a thin filtration media
#24Ridge vent for use on a roof ridge
#25BREATHING HALF MASK
#26Filtration media
#27FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT
#28Electret-containing filter media
#29Electret-containing filter media
#30Curb inlet filter
#31Anti-Microbial Air Processor for a Personal Patient-Warming Apparatus
#32Filter
#33Method of filtering particulates from the air using a composite filter substrate comprising a mixture of fibers
#34Method of making a thin filtration media
#35Filtration media
#36Apparatus and method using an electric field for creating uniform nanofiber patterns on nonconductive materials to enhance filtration and for embedment of fibers into materials for other applications
#37Debris filter for fluidic measurement with recess size decreasing in fluid flow direction
#38Multilayer nanofiber filter
#39Filter media and filter device comprised thereof
#40Filtration system
#41Filter element having at least one mat-type or sheet-type filter web
#42Air filter medium combining two mechanisms of action
#43Functionalized nonwoven article
#44Radiological/biological/aerosol removal system
#45Fluid purification media and systems and methods of using same
#46FILTER ELEMENT FOR FINE PURIFICATION OF RAW MILK
#47Filter cloth for dust collector
#48High loft spunbonded web
#49METHOD FOR COLLECTING MATTER WITH A MATTER COLLECTION UNIT
#50Fluid purification media and systems and methods of using same
#51Cardiopulmonary bypass circuit including a filtration device
#52REINFORCED, PLEATED FILTER STRUCTURE
#53Filter network
#54High performance gas turbine inlet filter (HEPA) using membrane media
#55High loft spunbonded web
#56Filtration System
#57Pleated filter with tridirectional scrim
#58Functionalized nonwoven article
#59Membrane-free filter and/or integral framing for filter
#60Air cooling system incorporating membrane-free filter and/or integral framing for filter
#61Multilayer nanofiber filter
#62AIR FILTER
#63Corrugated or pleated flat material
#64Structured material web having a multi-dimensional structure, and method for the production thereof
#65Method for reducing performance variability of multi-layer filters
#66Method for reducing performance variability of multi-layer filters
#67Filter element with active carbon coating
#68TACKY ALLERGEN TRAP AND FILTER MEDIUM, AND METHOD FOR CONTAINING ALLERGENS
#69Filter medium and method for preparing same
#70PLEATED TYPE CARTRIDGE FILTER DEVICE
#71Solid-liquid filtration cloth and filtering device
#72Methods and systems for selectively connecting and disconnecting conductors in a fabric
#73Filtration media created by sonic welding
#74Solid phase extraction disk