ClassID:

30862

B01D2321/2083 - CPC Classification

Classification description:

Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling; By influencing the flow By reversing the flow

Recent Application in this class:
#1
20250352950
2025-11-20

METHOD FOR PURIFYING A COMPOSITION COMPRISING HYDROGEN PEROXIDE

#2
20250339820
2025-11-06

SYSTEM FOR REVERSE OSMOSIS

#3
20250032993
2025-01-30

FORWARD OSMOTIC AND WATER HAMMER METHOD OF MEMBRANE CLEANING

#4
20240286084
2024-08-29

FLOW REVERSAL OF INTERNAL CIRCULATION MEMBRANE SEPARATION SYSTEMS

#5
20240198291
2024-06-20

SYSTEMS AND METHODS FOR RAPID FLUSHING OF A MEMBRANE-BASED SYSTEM

#6
20220325708
2022-10-13

ALTERNATING TANGENTIAL FLOW RAPID HARVESTING

#7
20220168692
2022-06-02

Forward osmotic and water hammer method of membrane cleaning

#8
20220146384
2022-05-12

Isolation device and isolation method

#9
20210187418
2021-06-24

Filter element having two filter media

#10
20200338516
2020-10-29

Continuous slurry-bed tank reactor and method of using same

#11
20190151799
2019-05-23

Filter membrane with bi-directional flow enhancing features

#12
20180361324
2018-12-20

Forward osmotic and water hammer method of membrane cleaning

#13
20180304205
2018-10-25

Forward osmotic and water hammer method of membrane cleaning

#14
20180193800
2018-07-12

Symbiotic reverse osmosis for maximizing desalinated water recovery from saline waters and brines

#15
20180148677
2018-05-31

Alternating tangential flow rapid harvesting

#16
20180071689
2018-03-15

Filtration cell and method for filtering a biological sample

#17
20180001264
2018-01-04

Integrated reverse osmosis module with energy recovery for desalination

#18
20170216776
2017-08-03

Forward osmotic and water hammer method of membrane cleaning

#19
20160083273
2016-03-24

Method of operating a pressure-retarded osmosis plant

#20
20150144559
2015-05-28

Membrane separation device and operation method for membrane separation device

#21
20150129508
2015-05-14

Filtering contaminants from fluid

#22
20150050598
2015-02-19

Methods for cleaning membranes used for filtering chemicals

#23
20140299532
2014-10-09

Filtration with internal fouling control

#24
20120285886
2012-11-15

Reciprocal enhancement of reverse osmosis and forward osmosis

#25
20120175303
2012-07-12

Method and system for increasing recovery and preventing precipitation fouling in pressure-driven membrane processes

#26
20120103881
2012-05-03

WATER TREATMENT PLANT WITH IMMERSED MEMBRANES

#27
20110284451
2011-11-24

SPACER ELEMENT FOR GUIDING FLOW MEDIA

#28
20110240545
2011-10-06

SPACER ELEMENT FOR GUIDING FLOW MEDIA

#29
20110163017
2011-07-07

Wastewater treatment method and apparatus

#30
20110006003
2011-01-13

Cyclic aeration system for submerged membrane modules

#31
20100140191
2010-06-10

METHOD AND APPARATUS FOR SEPARATION OF SOLIDS AND LIQUID SUSPENSIONS BY FILTER UNCLOGGING AIDED FILTRATION

#32
20100025327
2010-02-04

Cyclic aeration system for submerged membrane modules

#33
20090283477
2009-11-19

APPARATUS AND METHOD FOR FILTERING LIQUID

#34
20090211973
2009-08-27

Method and apparatus for repositioning flow elements in a tapered flow structure

#35
20090120873
2009-05-14

Filtration with internal fouling control

#36
20090057210
2009-03-05

IN-LINE FILTRATION SYSTEMS

#37
20090045126
2009-02-19

Molecular separator

#38
20080251455
2008-10-16

Cyclic aeration system for submerged membrane modules

#39
20080230476
2008-09-25

Method and system for increasing recovery and preventing precipitation fouling in pressure-driven membrane processes

#40
20080179250
2008-07-31

EXTENDED-LIFE WATER SOFTENING SYSTEM, APPARATUS AND METHOD

#41
20080156709
2008-07-03

Wastewater treatment method and apparatus

#42
20070292935
2007-12-20

Method and Apparatus for Separation of Solids and Liquid Suspensions by Filter Unclogging Aided Filtration

#43
20070205154
2007-09-06

Apparatus and method for filtering liquid

#44
20070181497
2007-08-09

RO membrane cleaning method

#45
20070001324
2007-01-04

Cyclic aeration system for submerged membrane modules

#46
20060273001
2006-12-07

Spacer element for guiding flow media

#47
20060266680
2006-11-30

Method of operating a water treatment plant with immersed membranes

#48
20060091075
2006-05-04

Water filtration using immersed membranes

#49
20060081536
2006-04-20

Ultrafiltration and microfiltration module and system

#50
20060060531
2006-03-23

Method and apparatus for directly sampling a fluid for microfiltration

#51
20060006112
2006-01-12

Cyclic aeration system for submerged membrane modules

#52
20050167346
2005-08-04

Molecular separator

#53
20050115900
2005-06-02

Cyclic aeration system for submerged membrane modules

#54
20050082227
2005-04-21

Water filtration using immersed membranes

#55
20050022316
2005-02-03

Apparatus and method for removing contaminants from dry cleaning solvent