ClassID:

28860

B01D24/165 - CPC Classification

Classification description:

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 filtering material being supported by pervious surfaces

Recent Application in this class:
#1
20260115630
2026-04-30

FILTRATION APPARATUS

#2
20220387909
2022-12-08

Water purification housing and rainwater purification system using the same

#3
20220134258
2022-05-05

Nutrient Removal Filtration System and Method

#4
20210024380
2021-01-28

Media purification devices having intergral flow controllers

#5
20200391138
2020-12-17

Apparatus and method for filtering aqueous liquid

#6
20200353382
2020-11-12

Liquid treatment device

#7
20200316496
2020-10-08

Nutrient removal filtration system and method

#8
20200246727
2020-08-06

Up-flow water filtration system

#9
20200063534
2020-02-27

Contaminant extraction in a borehole

#10
20190001247
2019-01-03

Cartridge filter using nanofiber composite fiber yarn and method for manufacturing same

#11
20180194646
2018-07-12

Media purification devices having integral flow controllers

#12
20170313597
2017-11-02

Filtering system for removing chemicals from fluids

#13
20160144296
2016-05-26

Filtration system

#14
20160089618
2016-03-31

Ion-exchanger

#15
20160023140
2016-01-28

Fluid filter arrangement for a motor vehicle drive train

#16
20160016817
2016-01-21

Fluid treatment apparatus including granular treatment medium

#17
20150353383
2015-12-10

Filter assembly with locking cover

#18
20140291224
2014-10-02

Filter medium layer and filter device provided with same

#19
20140251891
2014-09-11

Filter cartridge and filter device

#20
20140131294
2014-05-15

Zero-backwash liquid filter

#21
20130299409
2013-11-14

Floating filter media filtration system with backwash

#22
20120318755
2012-12-20

Water filter

#23
20120211443
2012-08-23

ZERO-BACKWASH LIQUID FILTER

#24
20120138524
2012-06-07

Upward-type filtering apparatus characterized in laminating method of filtering material

#25
20090166299
2009-07-02

Oil Filter, A System, and A Mehtod For Deterioration Control

#26
20070210017
2007-09-13

Filter system for filtering water or wastewater and a method of operating the filter system

#27
20060070947
2006-04-06

Method and apparatus for treating water

#28
20050127011
2005-06-16

Liquid filtration method embodying superbuoyant filtration particles

#29
20050029204
2005-02-10

Liquid filtration apparatus embodying super-buoyant filtration particles

#30
16908212
2020-11-03

Water filtration device and method for re-circulating filtered water in decorative waterways

#31
15248202
2019-01-22

Nutrient removal filtration system and method