ClassID:

30870

B01D2321/30 - CPC Classification

Classification description:

Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling Mechanical cleaning, e.g. with brushes or scrapers

Recent Application in this class:
#1
20250360449
2025-11-27

Scrubber Device for Scrubbing Hydrocarbon Gas Stream Including Modified Sparger Ducts

#2
20250144572
2025-05-08

FILTER SCREEN

#3
20250100907
2025-03-27

REMOVING BIVALENT IONS FROM PRODUCED WATER

#4
20250065272
2025-02-27

METHOD FOR OPERATING SEPARATION MEMBRANE, SEPARATION MEMBRANE DEVICE, AND PROGRAM FOR DETERMINING OPERATING CONDITIONS OF SEPARATION MEMBRANE

#5
20240216867
2024-07-04

BIOCHAR-ANAEROBIC MEMBRANE BIOLOGICAL TREATMENT SYSTEM AND PROCESS

#6
20220371922
2022-11-24

Systems and methods for activating and dewatering sludge using acoustic pressure shock waves

#7
20220281759
2022-09-08

Water purification system

#8
20220146384
2022-05-12

Isolation device and isolation method

#9
20220001336
2022-01-06

Methods of Cleaning Filter Membranes in Wastewater Treatment

#10
20210268448
2021-09-02

Filter screen

#11
20210106951
2021-04-15

Deformation-enhanced cleaning of fouled membranes

#12
20200063084
2020-02-27

Micro algae harvesting methods and devices

#13
20190330082
2019-10-31

Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves

#14
20190091631
2019-03-28

Tangential filtration device

#15
20190010071
2019-01-10

Sludge dehydrator

#16
20180104655
2018-04-19

Polymeric membranes

#17
20180093908
2018-04-05

Enhanced Membrane Bioreactor Process for Treatment of Wastewater

#18
20170334745
2017-11-23

Water purification system with spring agitator vibration

#19
20170334744
2017-11-23

Water purification system with sound wave generator agitator

#20
20170334743
2017-11-23

Water purification system with active vibration

#21
20170297933
2017-10-19

System for treatment of polluted effluents

#22
20170232396
2017-08-17

Control method for a filter system

#23
20170066663
2017-03-09

Systems and methods for separating heavy water from normal water using acoustic pressure shock waves

#24
20170057844
2017-03-02

Membrane cleaning and desalination with a membrane using acoustic pressure shock waves

#25
20170057843
2017-03-02

Water desalination using freeze crystallization and acoustic pressure shock waves

#26
20170036924
2017-02-09

Water purification system with active vibration

#27
20170036923
2017-02-09

Acoustic pressure shock wave devices and methods for fluids processing

#28
20160310877
2016-10-27

Fluid filtration and particle concentration device and methods

#29
20160250599
2016-09-01

Method and apparatus for reducing the total dissolved solids of a solution

#30
20150190754
2015-07-09

Autogenous cleaning filtration method and device

#31
20150166360
2015-06-18

Water purification system with active vibration

#32
20140251377
2014-09-11

Process for continuously washing a hollow fiber membrane for depleting residuals

#33
20130169942
2013-07-04

Self cleaning air filter module and projection device using the same

#34
20130075322
2013-03-28

Cleaning device of membrane filtration apparatus

#35
20130056414
2013-03-07

Method and apparatus for reducing the total dissolved solids of a solution

#36
20120292238
2012-11-22

Pressurized water filtration system

#37
20120138093
2012-06-07

Method and system for removing retentate from filters

#38
20120132595
2012-05-31

Apparatus and method for filtering liquids, particularly organic liquids

#39
20110220586
2011-09-15

Fluid filtration and particle concentration device and methods

#40
20110195002
2011-08-11

Advanced particulate matter control apparatus and methods

#41
20110192794
2011-08-11

Advanced filtration device for water and wastewater treatment

#42
20090293917
2009-12-03

Cleaning system for flat-plate membrane cartridges

#43
20080105605
2008-05-08

Water treating apparatus

#44
20070144956
2007-06-28

Rotor for generating vortex water flow, and filtering apparatus employing the same

#45
20060108275
2006-05-25

Membrane filtration assemblies for sand filter retrofit

#46
14599046
2015-05-05

Self-cleaning water filtration system