ClassID:

29915

B01D65/102 - CPC Classification

Classification description:

Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes; Testing of membranes or membrane apparatus; Detecting or repairing leaks Detection of leaks in membranes

Recent Application in this class:
#1
20260001042
2026-01-01

METHOD FOR PREDICTING A MAINTENANCE OPERATION AND RECOMMENDING MAINTENANCE FOR WATER TREATMENT EQUIPMENT

#2
20250270116
2025-08-28

PERMEATE CONDUIT SEGMENT FOR REVERSE OSMOSIS PROCESS ANDFLEXIBLE CONDUIT SEGMENT FOR WATER TREATMENT FACILITY

#3
20240375058
2024-11-14

DETERMINING A WATER PERMEABILITY STATUS OF A FORWARD OSMOSIS MEMBRANE USING TRANSMEMBRANE PRESSURE

#4
20240261735
2024-08-08

Defect detection via gas transfer

#5
20240246037
2024-07-25

EVALUATING THE INTEGRITY OF A FORWARD OSMOSIS MEMBRANE USING TRANSMEMBRANE PRESSURE

#6
20240050904
2024-02-15

Systems and methods of marker based direct integrity testing of membranes

#7
20240001306
2024-01-04

SECONDARY STATISTICAL CUTOFF METHODOLOGY FOR GAS-LIQUID DIFFUSION INTEGRITY TESTING

#8
20230415099
2023-12-28

METHOD OF EVALUATING SEPARATION MEMBRANE MODULE

#9
20230398501
2023-12-14

METHOD FOR EVALUATING COVERING STATE OF SILICONE COMPOUND

#10
20230390706
2023-12-07

WATER TREATMENT DEVICE AND ESTIMATION METHOD

#11
20230181806
2023-06-15

APPARATUS AND METHOD FOR TESTING INTEGRITY OF AN ULTRAFILTER MEMBRANE

#12
20230071627
2023-03-09

Multivariate Bracketing Approach for Sterile Filter Validation

#13
20230024189
2023-01-26

Method and system for filter device integrity testing

#14
20220410074
2022-12-29

Method and installation for testing the integrity of a capillary dialyzer

#15
20220219124
2022-07-14

Ultrathin membrane fabrication

#16
20220072479
2022-03-10

Method for testing integrity of a filter medium

#17
20220054981
2022-02-24

Water purification systems and methods having pressurized draw stream

#18
20220023802
2022-01-27

Membrane defect inspection method and membrane defect inspection device

#19
20210178332
2021-06-17

Method of detecting defects in separation membrane element and apparatus for detecting defects in separation membrane element

#20
20210093771
2021-04-01

Apparatus and method for testing integrity of an ultrafilter membrane

#21
20210046427
2021-02-18

Systems and methods of marker based direct integrity testing of membranes

#22
20200353422
2020-11-12

MEMBRANE MODULES WITH LIMITED DEFECTS AND RELATED METHODS

#23
20200254392
2020-08-13

Enhanced stability filter integrity test

#24
20200215493
2020-07-09

PROCESS FOR TESTING FILTERS

#25
20200078734
2020-03-12

Water purification systems and methods having pressurized draw stream

#26
20200001229
2020-01-02

Method for inspecting separation membrane module and method for manufacturing separation membrane module

#27
20190391064
2019-12-26

Method for inspecting separation membrane structure, method for manufacturing separation membrane module, and method for manufacturing separation membrane structure

#28
20190321533
2019-10-24

Extracorporeal blood treatment device and method for monitoring the integrity of a dialyzer of an extracorporeal blood treatment device

#29
20190277744
2019-09-12

Mixed gas integrity testing of porous materials without permeate side access

#30
20190099718
2019-04-04

Apparatus and apparatus assembly

#31
20190054425
2019-02-21

Inspection apparatus of electrolyte membrane

#32
20180345225
2018-12-06

Methods and apparatus for preventing damage by a reverse osmosis filtration system having a leak

#33
20180257040
2018-09-13

Systems and methods of marker based direct integrity testing of membranes

#34
20180257039
2018-09-13

Enhanced stability filter integrity test

#35
20180243693
2018-08-30

Water purification systems and methods having pressurized draw stream

#36
20180031466
2018-02-01

Automated HEPA filter integrity testing

#37
20170189858
2017-07-06

Method and device for carrying out an integrity test on a filter element

#38
20170138833
2017-05-18

Method of sterilizing and testing the integrity of dialyzers

#39
20170009290
2017-01-12

Dendrimer conjugates for determining membrane retention level and/or pore structure

#40
20160299048
2016-10-13

Enhanced aerosol test for assessing filter integrity

#41
20160271566
2016-09-22

Inspection apparatus of electrolyte membrane

#42
20160096143
2016-04-07

COMPACT MULTI MEMBRANE VESSEL FOR WATER ULTRAFILTRATION

#43
20150329376
2015-11-19

Method and apparatus of flush pump feature for portable liquid purifying filter

#44
20150316462
2015-11-05

Dual-filter dual-integrity test assembly

#45
20150190755
2015-07-09

Defect detection method for monolithic separation membrane structures, repair method, and monolithic separation membrane structures

#46
20150033828
2015-02-05

Automated test apparatus for testing risk and integrity of pharmaceutical filtration membranes and method thereof

#47
20140144211
2014-05-29

Methods of testing a honeycomb filter

#48
20130319084
2013-12-05

Method and apparatus of flush pump feature for portable liquid purifying filter

#49
20130240440
2013-09-19

Membrane sensor and method of detecting fouling in a fluid

#50
20130224379
2013-08-29

Method for manufacturing sheet-shaped separation membrane

#51
20130205873
2013-08-15

Device and process for testing hollow fibre membrane filters

#52
20130192344
2013-08-01

Aerosol generator for EPTFE filter testing and method of use

#53
20130186179
2013-07-25

ePTFE filter for aseptic pharmaceutical use and method of using

#54
20130098821
2013-04-25

Water filtration module and method for the manufacture and use thereof

#55
20130068673
2013-03-21

Filter element attachment, filter cartridge, and filter system

#56
20130055792
2013-03-07

HYGIENIC INTEGRITY TEST IN ULTRAFILTRATION SYSTEMS

#57
20130019658
2013-01-24

Accelerated mixed gas integrity testing of porous materials

#58
20120297862
2012-11-29

METHOD OF CHECKING A MEMBRANE FILTRATION MODULE OF A FILTRATION PLANT

#59
20120234083
2012-09-20

Device and method for testing reverse osmosis membranes

#60
20120199526
2012-08-09

Device and method for inspecting a filter for an extracorporeal blood treatment device

#61
20120160765
2012-06-28

HYDROPHILIZING AGENT FOR HYDROPHOBIC POROUS MEMBRANE, AND METHOD FOR HYDROPHILIZING HYDROPHOBIC POROUS MEMBRANE AND TEST METHOD USING THIS AGENT

#62
20120126248
2012-05-24

Membrane having means for state monitoring

#63
20120080375
2012-04-05

METHOD AND DEVICE FOR MANUFACTURING FILTERED LIQUIDS

#64
20110283513
2011-11-24

Integrity testable multilayered filter device

#65
20110247971
2011-10-13

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#66
20110247429
2011-10-13

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#67
20110229379
2011-09-22

Stable catalyst layers for hydrogen permeable composite membranes

#68
20110170572
2011-07-14

Method of testing spiral wound modules by thermal imaging

#69
20110100134
2011-05-05

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#70
20110095223
2011-04-28

HYDROPHILIZING AGENT FOR HYDROPHOBIC POROUS MEMBRANE, AND METHOD FOR HYDROPHILIZING HYDROPHOBIC POROUS MEMBRANE AND TEST METHOD USING THIS AGENT

#71
20110094951
2011-04-28

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#72
20110094310
2011-04-28

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#73
20110091094
2011-04-21

Method of testing the integrity of spiral wound modules

#74
20110083491
2011-04-14

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#75
20110067485
2011-03-24

Integrity test method for porous filters

#76
20110017062
2011-01-27

Filter with memory, communication and pressure sensor

#77
20110016953
2011-01-27

FILTER WITH MEMORY, COMMUNICATION AND PRESSURE SENSOR

#78
20100282676
2010-11-11

Desalination system and elements thereof

#79
20100282663
2010-11-11

Filtration cartridge formed of stacked plates

#80
20100281960
2010-11-11

Method of testing membranes and membrane-based systems

#81
20100223980
2010-09-09

Rapid integrity testing of porous materials

#82
20100221837
2010-09-02

METHOD FOR EXAMINING ION-CONDUCTIVE ELECTROLYTE MEMBRANE

#83
20100176057
2010-07-15

Liquid filtration using pressure difference across a hydrophobic membrane

#84
20100139410
2010-06-10

Micromechanical pressure sensing device

#85
20100117250
2010-05-13

Method for inspecting defect of hollow fiber porous membrane, defect inspection equipment and production method

#86
20100097605
2010-04-22

Filtrate monitoring device, and filtrate monitoring system

#87
20100096328
2010-04-22

Method of testing integrity of microporous membrane

#88
20090220940
2009-09-03

Method for Testing the Integrity of Membranes

#89
20090177412
2009-07-09

Detection apparatus and method utilizing membranes and ratio of transmembrane pressures

#90
20090145831
2009-06-11

Pore diffusion type flat membrane separating apparatus

#91
20090134092
2009-05-28

MEMBRANE FILTRATION DEVICE AND PROCESS

#92
20090120293
2009-05-14

Method of making a leak stable gas separation membrane system

#93
20090120062
2009-05-14

METHOD FOR THE NON-DESTRUCTIVE CONTROL OF A PARTICLE FILTER AND ASSOCIATED DEVICE

#94
20090090663
2009-04-09

Filtered water monitoring device and filtered water monitoring system

#95
20080248182
2008-10-09

Device with a Membrane on a Carrier, as Well as a Method for Manufacturing Such a Membrane

#96
20080178680
2008-07-31

Micromechanical pressure sensing device

#97
20080110243
2008-05-15

Rapid integrity testing of porous materials

#98
20080060419
2008-03-13

METHOD OF TESTING THE INTEGRITY OF DIALYSIS CIRCUIT FILTERS

#99
20080028834
2008-02-07

High throughput screening for rapid development of membranes and membrane processes

#100
20070240492
2007-10-18

Filter with memory, communication and pressure sensor

#101
20070209425
2007-09-13

Hydrophilizing agent for hydrophobic porous membrane, and method for hydrophilizing hydrophobic porous membrane and test method using this agent

#102
20070144949
2007-06-28

METHOD AND APPARATUS FOR TESTING MEMBRANE INTEGRITY

#103
20070125722
2007-06-07

Device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and use thereof

#104
20070089489
2007-04-26

Methods and systems for integrity testing of porous materials

#105
20070080104
2007-04-12

Integrity testable multilayered filter device

#106
20070079649
2007-04-12

Integrity testable multilayered filter device

#107
20070056905
2007-03-15

Continuous pressure decay test

#108
20060235085
2006-10-19

Metal colloid solution

#109
20060188994
2006-08-24

Filter integrity tester

#110
20060124515
2006-06-15

Methods and systems for membrane testing

#111
20060113226
2006-06-01

Method of locating or repairing damaged hollow fiber membranes or header or module assembly

#112
20060108287
2006-05-25

Discrete zoned microporous nylon coated glass platform for use in microwell plates and methods of making and using same

#113
20060108275
2006-05-25

Membrane filtration assemblies for sand filter retrofit

#114
20060091074
2006-05-04

Membrane filtration device and process

#115
20050173343
2005-08-11

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

#116
20050121388
2005-06-09

Production of water for injection using reverse osmosis

#117
20050019665
2005-01-27

Polyolefin microporous membrane and method of evaluating the same