28980 ⎘
Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
Sub-classes:FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION
#2FILTER CARTRIDGE FOR AQUARIUM; AND METHODS
#3FILTER APPARATUS
#4AUTONOMOUS IMPELLER VACUUM CLEANER FOR CLEANING SWIMMING POOLS
#5FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION
#6Modular filtration system and method
#7Passive fluid treatment assembly
#8Method and apparatus for filtering a liquid sample
#9FILTER CARTRIDGE
#10Fuel storage and supply arrangement having fuel conditioning and filtration system
#11Fuel vapor buffering apparatus
#12Filter element assembly
#13Hydraulic tank and method for manufacturing a hydraulic tank
#14Disposable filter including an integrated sensor assembly
#15DISPOSABLE FILTER WITH AN ACCESSORY PORT
#16BATH SHOWER WITH DISPOSABLE FILTRATION UNIT
#17DRINK FILTER
#18Compositions and methods for preparing copper-containing paper and uses thereof
#19Method and apparatus for filtering a liquid sample
#20Water Filter With Inwardly Sloping Top