B01D24/4689 - CPC Classification Index

ClassID:

28905 ⎘

B01D24/4689 - CPC Classification

Classification description:

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof; Regenerating the filtering material in the filter by moving the filtering element Displacement of the filtering material to a compartment of the filtering device for regeneration

Recent Application in this class:

20240149190

2024-05-09

FLUIDIZED BED SORTER

20220048797

2022-02-17

Bio-filter unit for a fish farming system

20210061689

2021-03-04

Method of operating an upflow backwash filter

20200054970

2020-02-20

Integrated unit for intake and pretreatment with local backwashing

20180229156

2018-08-16

Energy reduction and monitoring control system for backwashing media systems

20180200648

2018-07-19

Pilot filter for a water treatment system

20180169546

2018-06-21

Apparatus and method for purification of a fluid by means of a filter bed

20180140973

2018-05-24

Washbox

20170136390

2017-05-18

Washbox

#10

20160114265

2016-04-28

Integrated unit for intake and pretreatment with local backwashing

#11

20140284283

2014-09-25

Method and apparatus for treating liquid containing impurities

#12

20140246388

2014-09-04

Method for the treatment of water and wastewater

#13

20140190908

2014-07-10

Continuous circulation sand filter and continuous circulation sand filtering method

#14

20140166594

2014-06-19

External device for cleaning filtration material and adapted for application to filtration device

#15

20140027389

2014-01-30

Method and system for recovering oil and removing oil from a resulting oil-water mixture

#16

20130168331

2013-07-04

Means for Cleaning Packed Media In a Wastewater Filter Treatment System

#17

20130118990

2013-05-16

Washbox

#18

20130037489

2013-02-14

Method and Apparatus for Separation of Impurities from Liquid by Upflow Granular Media Filters

#19

20130011274

2013-01-10

COMPRESSED AIR SUPPLY FOR THE OPERATION OF MOVING BED FILTERS

#20

20120292245

2012-11-22

Filtration media cleaning apparatus

#21

20120261357

2012-10-18

METHOD FOR THE TREATMENT OF WATER AND WASTEWATER

#22

20120031857

2012-02-09

Filtration apparatus and method for treating granular filtration medium

#23

20110290734

2011-12-01

Screenless granular media filters and methods of use

#24

20110168643

2011-07-14

Method and apparatus for treating liquid containing impurities

#25

20110168641

2011-07-14

Method and computer program product for treating liquid containing impurities

#26

20110168615

2011-07-14

Apparatus for treating liquid containing impurities

#27

20110100925

2011-05-05

Washbox

#28

20110100888

2011-05-05

Washbox

#29

20110024369

2011-02-03

DEVICE FOR CLEANING A FLUID BY MEANS OF A FILTER BED AND METHOD FOR DETERMINING THE EXTENT OF MOVEMENT OF THE FILTER BED

#30

20100147759

2010-06-17

External device for cleaning filtration material and adapted for application to filtration device

#31

20090166277

2009-07-02

METHOD OF CLEANSING FILTRATION MEDIA AND SYSTEM THEREOF

#32

20090101568

2009-04-23

Device for coupling to equipment for treating water in general and waste water

#33

20090071909

2009-03-19

Washbox

#34

20080302724

2008-12-11

METHOD AND APPARATUS FOR REMOVING IMPURITIES IN REJECTS FROM SEQUENTIAL FILTERS USING SEPARATE TREATMENT UNITS

#35

20080277349

2008-11-13

Reactive filtration

#36

20080257807

2008-10-23

Filtration apparatus

#37

20070125694

2007-06-07

Filtration device

#38

20070113870

2007-05-24

Method of cleansing filtration media and system therefor

#39

20050077247

2005-04-14

Automated water treatment system and method of use

#40

18198008

2026-03-31

Lightweight fibrous media (LFM) filter