ClassID:

29908

B01D65/022 - CPC Classification

Classification description:

Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes; Membrane cleaning or sterilisation ; Membrane regeneration Membrane sterilisation

Recent Application in this class:
#1
20260131288
2026-05-14

WATER PRODUCTION METHOD

#2
20250163543
2025-05-22

LITHIUM RECOVERY SYSTEM FOR BLACK MASS

#3
20250058282
2025-02-20

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#4
20240189777
2024-06-13

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#5
20240009629
2024-01-11

Water purification apparatus and methods for cleaning the water purification apparatus

#6
20230256391
2023-08-17

FORMED SHEET MEMBRANE ELEMENT AND FILTRATION SYSTEM

#7
20230226501
2023-07-20

Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning

#8
20230191334
2023-06-22

Membrane separating method and membrane module for processing liquids

#9
20230035191
2023-02-02

WATER PURIFIER, HOME APPLIANCE, AND CONTROL METHOD THEREFOR

#10
20220410080
2022-12-29

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#11
20220410068
2022-12-29

WATER PURIFICATION APPARATUS, SYSTEM AND METHOD FOR CONTROLLNG AT LEAST ONE FLUID PROPERTY

#12
20220379263
2022-12-01

A WATER PURIFICATION APPARATUS, AND A METHOD FOR COOLING A RO-MEMBRANE IN A WATER PURIFICATION APPARATUS

#13
20220348849
2022-11-03

CHEMICAL PRODUCT AND PROCESS FOR CLEANING NANOFILTRATION AND REVERSE OSMOSIS MEMBRANES

#14
20220212125
2022-07-07

Method for degassing a cross-flow diafiltration unit, cross-flow diafiltration method and cross-flow diafiltration unit

#15
20220001337
2022-01-06

Membrane disinfectant

#16
20210363028
2021-11-25

MODULAR PRESSURIZED WATER FILTRATION SYSTEM

#17
20210322928
2021-10-21

Charge neutral biocide dosing control for membrane biofouling control applications

#18
20210102154
2021-04-08

Filter system for biopharmaceutical processes

#19
20210069653
2021-03-11

Membrane disinfectant

#20
20200276540
2020-09-03

Method for processing a protein-containing suspension or protein-containing solution

#21
20200222858
2020-07-16

Filter membrane and device

#22
20200171439
2020-06-04

SINGLE USE ASEPTIC TANGENTIAL FLOW FILTRATION SYSTEMS AND METHODS

#23
20200129927
2020-04-30

Water purification apparatus and methods for cleaning the water purification apparatus

#24
20200122087
2020-04-23

Water purification apparatus and a method for controlling at least one fluid property in a water purification apparatus

#25
20200055002
2020-02-20

Porous textile fabric, filter element, method for the production thereof and use thereof

#26
20200038810
2020-02-06

Formed sheet membrane element and filtration system

#27
20190381462
2019-12-19

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#28
20190275468
2019-09-12

Compositions and methods for the reduction of biofilm and spores from membranes

#29
20190224627
2019-07-25

Method for permeate flow path sanitization in a reverse osmosis system

#30
20190143275
2019-05-16

Antibiofilm and antimicrobial functional membrane spacer

#31
20190083936
2019-03-21

Disposable filtration device

#32
20180369754
2018-12-27

AERATION TUBE AND FILTRATION UNIT

#33
20180369723
2018-12-27

METHOD FOR OPERATING FILTRATION APPARATUS AND FILTRATION APPARATUS

#34
20180296981
2018-10-18

Cleaning of water filtration membranes

#35
20180275012
2018-09-27

Aseptic filter vent valve and port for integrity testing

#36
20180208480
2018-07-26

SEAWATER INJECTION CONTROL METHODS AND SYSTEMS

#37
20170369336
2017-12-28

DEVICE AND METHOD FOR WATER FILTRATION USING RECYCLED MEDICAL FILTERS

#38
20170291145
2017-10-12

Hollow fiber membrane module and method for manufacturing hollow fiber membrane module

#39
20170209836
2017-07-27

Hollow-fiber membrane blood purification device

#40
20170209835
2017-07-27

Filtration device

#41
20170183707
2017-06-29

Filtration system and use thereof

#42
20170138833
2017-05-18

Method of sterilizing and testing the integrity of dialyzers

#43
20170028353
2017-02-02

Formed sheet membrane element and filtration system

#44
20160310906
2016-10-27

Membrane module apparatus, packaging body, liquid treatment system, steam sterilization method and system constructing method

#45
20160287446
2016-10-06

Wound care system with a mat of capillary membranes

#46
20160263529
2016-09-15

Improving the chemical stability of filtration membranes

#47
20160194222
2016-07-07

RO installation for flushing solutions

#48
20160193570
2016-07-07

Cartridge-type hollow fiber membrane module and method for manufacturing cartridge-type hollow fiber membrane module

#49
20160193569
2016-07-07

Cycling ultra-thin channel filtration

#50
20160107126
2016-04-21

Materials and methods for reducing biofouling in water treatment membrane systems

#51
20150367291
2015-12-24

Virus filter

#52
20150328385
2015-11-19

Combination of a single-station reverse osmosis device with a hemodialysis device

#53
20150320921
2015-11-12

Method for sterilizing blood purifier and blood purifier package

#54
20150300557
2015-10-22

Filter holder and method for sterilizing the filter holder

#55
20150293094
2015-10-15

Methods and systems useful for foodborne pathogen detection

#56
20150258264
2015-09-17

Blood purifier and blood purifier package

#57
20150231571
2015-08-20

Reverse osmosis system

#58
20150101983
2015-04-16

REAL TIME SELF-STERILIZING COMPOSITE WATER FILTER AND SYSTEM FOR SAME

#59
20150050694
2015-02-19

METHOD OF STERILIZING SEPARATION MEMBRANE MODULE, METHOD OF PRODUCING CHEMICAL BY CONTINUOUS FERMENTATION, AND MEMBRANE SEPARATION-TYPE CONTINUOUS FERMENTATION APPARATUS

#60
20150041386
2015-02-12

Filter element with improved testability after dry steaming

#61
20140284261
2014-09-25

Separation membrane for blood processing and blood processing apparatus having the membrane installed therein

#62
20140158641
2014-06-12

Disinfecting water device

#63
20140151297
2014-06-05

PORTABLE REVERSE OSMOSIS WATER PURIFICATION SYSTEM

#64
20140048471
2014-02-20

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#65
20140027379
2014-01-30

RO system and method for disinfecting lines of the RO system

#66
20130256210
2013-10-03

Planar filtration and selective isolation and recovery device

#67
20130092621
2013-04-18

Formed sheet membrane element and filtration system

#68
20130032530
2013-02-07

Composite semipermeable membrane

#69
20130032518
2013-02-07

Combination of a single-station reverse osmosis device with a hemodialysis device

#70
20120318727
2012-12-20

MEDICAL DEVICE AND HOLLOW FIBER MEMBRANE-BASED MEDICAL DEVICE

#71
20120261315
2012-10-18

Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration

#72
20120074060
2012-03-29

Device and method for water filtration using recycled medical filters

#73
20120017942
2012-01-26

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#74
20110278159
2011-11-17

Cation exchange membrane, production process thereof and electrolytic cell using the same

#75
20110108473
2011-05-12

MICROMECHANICAL FILTER FOR MICROPARTICLES, IN PARTICULAR FOR PATHOGENIC BACTERIA AND VIRUSES, AND ALSO PROCESS FOR PRODUCTION THEREOF

#76
20100193387
2010-08-05

Electron beam sterilization method

#77
20090283460
2009-11-19

Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs

#78
20090229632
2009-09-17

Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow

#79
20090188860
2009-07-30

Use of antimicrobials in water technology

#80
20080272050
2008-11-06

Multi-Barrier Water Purification System and Method

#81
20080264454
2008-10-30

Method for cleaning hollow tubing and fibers

#82
20080245723
2008-10-09

Hollow Fiber Membrane Type Blood Purification Device

#83
20080093282
2008-04-24

Water treatment system

#84
20080087599
2008-04-17

Method for sterilizing blood purifier and blood purifier package

#85
20080067122
2008-03-20

Blood purifier and blood purifier package

#86
20080044643
2008-02-21

Polysulfone type selectively permeable hollow fiber membrane module and process for manufacturing the same

#87
20070163943
2007-07-19

Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs

#88
20070029236
2007-02-08

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#89
20060196819
2006-09-07

External pressure hollow fibre membrane separation system

#90
20060113235
2006-06-01

Filtering device and replaceable filter cartridge

#91
20060032823
2006-02-16

Disinfection of reverse osmosis membrane

#92
20050173343
2005-08-11

Method of cleaning and qualifying a dialysis filter and machine for same

#93
20050150831
2005-07-14

Method for cleaning hollow tubing and fibers

#94
20050126599
2005-06-16

Method of cleaning passageways using a mixed phase flow of a gas and a liquid

#95
20050121388
2005-06-09

Production of water for injection using reverse osmosis

#96
20050063859
2005-03-24

Packaged blood purification device

#97
20050028845
2005-02-10

Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor

#98
20050016932
2005-01-27

Electrodeionization device and methods of use