ClassID:

29839

B01D61/20 - CPC Classification

Classification description:

Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor; Ultrafiltration; Microfiltration Accessories; Auxiliary operations

Recent Application in this class:
#1
20260131287
2026-05-14

Vibrating Filtration Device

#2
20260054198
2026-02-26

VENTING SYSTEM FOR A MIXING APPARATUS

#3
20260033521
2026-02-05

SYSTEM AND METHOD FOR FILTERING BEVERAGES

#4
20260033520
2026-02-05

SYSTEM AND METHOD FOR FILTERING BEVERAGES

#5
20260001791
2026-01-01

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#6
20250332549
2025-10-30

PERFORMANCE EVALUATION DEVICE FOR MEMBRANE FILTRATION DEVICE IN PURE WATER PRODUCTION EQUIPMENT, PURE WATER PRODUCTION SYSTEM USING THE SAME, AND PERFORMANCE EVALUATION METHOD FOR MEMBRANE FILTRATION DEVICE IN PURE WATER PRODUCTION EQUIPMENT

#7
20250248421
2025-08-07

METHOD TO PRODUCE HIGH PROTEIN RESIDUALS

#8
20250108332
2025-04-03

Processing System for Multiple Tangential Flow Filtration Stations in Bioprocessing Applications

#9
20250001361
2025-01-02

TANGENTIAL FLOW FILTRATION (TFF) SYSTEM AND DISPOSABLE TFF UNIT THAT INCLUDES AN INTEGRATED PUMP APPARATUS

#10
20240416285
2024-12-19

COMPACT WATER FILTERING DEVICE

#11
20240390858
2024-11-28

HOT WATER CART CONDITIONING SYSTEM AND METHOD

#12
20240375976
2024-11-14

SINGLE-STAGE WATER TREATMENT SYSTEM

#13
20240294406
2024-09-05

System And Method For Wastewater Treatment Including Use of Microporous Media Beds

#14
20240279620
2024-08-22

METHOD FOR PURIFICATION OF BACTERIOPHAGE PARTICLES

#15
20240226811
2024-07-11

Device suitable for vacuum assisted filtration

#16
20240216865
2024-07-04

Method for purifying biological dust suppressant by two-stage ultrafiltration

#17
20240133788
2024-04-25

Device, System And Method For The Detection And Screening of Plastic Microparticles

#18
20240102910
2024-03-28

In situ evaluation of filter parameters with opticoanalytical devices

#19
20240100482
2024-03-28

FILTERING DEVICE, PURIFICATION DEVICE, AND METHOD FOR MANUFACTURING CHEMICAL LIQUID

#20
20240033659
2024-02-01

VENTING SYSTEM FOR A MIXING APPARATUS

#21
20230398492
2023-12-14

Device and method for protecting drinking water from microorganisms

#22
20230347289
2023-11-02

DEVICE FOR TANGENTIAL FLOW FILTRATION OF A FLUID

#23
20230285972
2023-09-14

PARTICLE FILTRATION DEVICE AND METHOD OF PARTICLE FILTRATION

#24
20230233040
2023-07-27

METHOD AND DEVICE FOR REMOVING A CHEMICAL SUBSTANCE FROM HUMAN EXCRETA

#25
20230132622
2023-05-04

GREYWATER TREATMENT SYSTEM

#26
20230064994
2023-03-02

WIND POWERED OFFSHORE WATER PRODUCTION FACILITY AND METHOD FOR MANUFACTURING SUCH A FACILITY

#27
20230023338
2023-01-26

Detonator positioning device

#28
20230009795
2023-01-12

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#29
20220401887
2022-12-22

LIQUID FILTRATION DEVICE COMPRISING AN ULTRASOUND EMISSION MODULE

#30
20220355249
2022-11-10

SCALABLE TANGENTIAL FLOW FILTRATION METHOD AND RETROFIT KIT

#31
20220347630
2022-11-03

SIMPLIFIED FLUID CONNECTION AND MEMBRANE FILTER

#32
20220325226
2022-10-13

Method of actuation of an alternating tangential flow diaphragm pump

#33
20220290093
2022-09-15

Method for proliferation of cells within a bioreactor using a disposable pumphead and filter assembly

#34
20220282204
2022-09-08

Method of actuation of an alternating tangential flow diaphragm pump

#35
20220281759
2022-09-08

Water purification system

#36
20220258103
2022-08-18

Detonator positioning device

#37
20220250007
2022-08-11

Spinning membrane separator priming systems and methods

#38
20220240550
2022-08-04

SYSTEM AND METHOD FOR FILTERING BEVERAGES

#39
20220240544
2022-08-04

Method to produce high protein residuals

#40
20220228964
2022-07-21

Device, system and method for the detection and screening of plastic microparticles

#41
20220220018
2022-07-14

FILTER MODULE FOR WATER DISPENSING DEVICE

#42
20220219120
2022-07-14

Processing system for multiple tangential flow filtration stations in bioprocessing applications

#43
20220215978
2022-07-07

METHOD AND APPARATUS FOR IMPROVED REMOVAL AND RETENTION OF RADIOACTIVE PARTICULATES FROM FLUIDS

#44
20220185509
2022-06-16

PROCESSES FOR THE PRODUCTION OF SALINE SOLUTION BAGS

#45
20220127583
2022-04-28

Method for purification of bacteriophage particles

#46
20220088538
2022-03-24

HOLLOW FIBER FILTRATION SYSTEMS AND METHODS

#47
20220040886
2022-02-10

Method for solvent removal from a polymer solution by integrated size classification and extrusion in a plastic extruder

#48
20220003652
2022-01-06

In situ evaluation of filter parameters with opticoanalytical devices

#49
20210363033
2021-11-25

Capacitive deionization desalination device

#50
20210354087
2021-11-18

Particle capturing device and particle capturing method

#51
20210346843
2021-11-11

RAPID SEPARATION AND RECOVERY OF PATHOGENS FROM FOOD SAMPLES BY MICROFILTRATION ASSISTED COUNTERFLOW ELUTRIATION (MACE)

#52
20210322897
2021-10-21

Venting system for a mixing apparatus

#53
20210299614
2021-09-30

Device suitable for vacuum assisted filtration

#54
20210268441
2021-09-02

Reverse osmosis system control valves

#55
20210261900
2021-08-26

System for Filtration and Associated Method Thereof

#56
20210153527
2021-05-27

System and method for filtering beverages

#57
20210148797
2021-05-20

LIQUID TO LIQUID BIOLOGICAL PARTICLE FRACTIONATION AND CONCENTRATION

#58
20210138142
2021-05-13

Cartridge and method for increasing myocardial function

#59
20210086138
2021-03-25

Vanox hot water cart conditioning method

#60
20210060491
2021-03-04

Tangential flow filtration (TFF) system and disposable TFF unit that includes an integrated pump apparatus

#61
20210047605
2021-02-18

Control systems and methods for automated clarification of cell culture with high solids content

#62
20210023486
2021-01-28

Liquid treatment apparatus and liquid treatment cartridge

#63
20200384416
2020-12-10

Filtering device, purification device, and method for manufacturing chemical liquid

#64
20200377839
2020-12-03

Method of actuation of an alternating tangential flow diaphragm pump

#65
20200368689
2020-11-26

Connection device for a suction apparatus of a vacuum diaphragm filter

#66
20200360859
2020-11-19

Method for filtering a large volume of a medium with a pre-sterilisable, at least semi-automated one-way filtration device

#67
20200353414
2020-11-12

Automated single-use filtering apparatus, and method for controlling an automated single-use filtering apparatus

#68
20200289987
2020-09-17

Processing System for Multiple Tangential Flow Filtration Stations in Bioprocessing Applications

#69
20200284644
2020-09-10

Filtration system and weighing device therefor

#70
20200277206
2020-09-03

SINGLE-STAGE WATER TREATMENT SYSTEM

#71
20200269190
2020-08-27

Method for processing solutions of biomolecules

#72
20200269166
2020-08-27

Filtering apparatus comprising an integrated flow reducer, and method for completely imbibing a filter membrane

#73
20200238218
2020-07-30

Submerged membrane unit diffuser case

#74
20200216330
2020-07-09

Conversion of media filter into membrane gravity filter

#75
20200197840
2020-06-25

OPEN BOTTOM MULTIPLE CHANNEL GAS DELIVERY DEVICE FOR IMMERSED MEMBRANES

#76
20200171436
2020-06-04

ULTRAPURE-WATER PRODUCTION SYSTEM

#77
20200108356
2020-04-09

Selective extraction film for mining application

#78
20200070098
2020-03-05

Method of evaluating level of cleanliness of hollow fiber membrane device, method of washing hollow fiber membrane device, and washing device for hollow fiber membrane device

#79
20200061543
2020-02-27

Aeration Device for Filtration System

#80
20200001239
2020-01-02

FLUID FILTRATION SYSTEM

#81
20190366272
2019-12-05

Detonator positioning device

#82
20190358352
2019-11-28

Acoustically excited encapsulated microbubbles and mitigation of biofouling

#83
20190300833
2019-10-03

Perfusion filtration systems

#84
20190275467
2019-09-12

Method and system for cleaning membrane filters

#85
20190219924
2019-07-18

Chemical liquid, chemical liquid storage body, manufacturing method of chemical liquid, and manufacturing method of chemical liquid storage body

#86
20190212258
2019-07-11

Monitoring of compounds

#87
20190184076
2019-06-20

IMPROVEMENTS IN OR RELATING TO BLOOD SALVAGE AND AUTOTRANSFUSION

#88
20190168162
2019-06-06

FILTRATION ASSEMBLY AND FILTRATION SYSTEM INCLUDING THE SAME

#89
20190161356
2019-05-30

LITHIUM BIS(FLUOROSULFONYL)IMIDE COMPOSITION

#90
20190160433
2019-05-30

Isolation device and isolation method

#91
20190160432
2019-05-30

Isolation chip and manufacturing method of the same

#92
20190151795
2019-05-23

Open channel diffusiophoretic water filtration device and method

#93
20190150474
2019-05-23

Methods of purifying exosomes

#94
20190119077
2019-04-25

Method for operating lifting set including lifting apparatus and water device

#95
20190030487
2019-01-31

FILTRATION APPARATUS

#96
20190009221
2019-01-10

Method and system for cleaning membrane filters

#97
20190009215
2019-01-10

Method for processing solutions of biomolecules

#98
20180369754
2018-12-27

AERATION TUBE AND FILTRATION UNIT

#99
20180318770
2018-11-08

Device and method for positioning a detonator within a perforating gun assembly

#100
20180318768
2018-11-08

Central tube for filter cartridge and filtering device having same

#101
20180304199
2018-10-25

Mixing method and system

#102
20180280885
2018-10-04

Water collection header, membrane module unit, and water treatment method

#103
20180272282
2018-09-27

Aerator apparatus and air diffusion apparatus comprising same

#104
20180251386
2018-09-06

Subsea equipment cleaning system and method

#105
20180250638
2018-09-06

Filtration system and method for chemical rinsing a filtration system

#106
20180238317
2018-08-23

Disposable alternating tangential flow filtration units

#107
20180229185
2018-08-16

Membrane Filter System

#108
20180221823
2018-08-09

Re-Circulation Loop in CFF/TFF Single Use Path Flow

#109
20180221822
2018-08-09

Method for enhancing filtration yields in tangential flow filtration system

#110
20180200674
2018-07-19

Aeration device for filtration system

#111
20180141003
2018-05-24

Ultrafiltration membrane, device, bioartificial organ, and related methods

#112
20180133629
2018-05-17

FILTRATING MODULE, FILTRATING DEVICE, AND FILTRATING METHOD

#113
20180111720
2018-04-26

Device for a biological liquid treatment installation

#114
20180104627
2018-04-19

Liquid treatment apparatus with replaceable treatment cartridge and cartridge connection system

#115
20180093028
2018-04-05

Cartridge and method for increasing myocardial function

#116
20180078905
2018-03-22

Method and system for cleaning membrane filters

#117
20180071686
2018-03-15

SUBSEA WATER PROCESSING SYSTEM AND ASSOCIATED METHODS

#118
20180055999
2018-03-01

Binding syringe

#119
20180037473
2018-02-08

Conversion of media filter into membrane gravity filter

#120
20180008935
2018-01-11

Comprehensive evaluation method for performance of contaminated flat membranes

#121
20170361275
2017-12-21

Reverse osmosis system control valves

#122
20170341030
2017-11-30

Dynamic filtration technology

#123
20170326501
2017-11-16

WATER PURIFICATION DEVICE, AND METHOD USING WATER PURIFICATION DEVICE TO FILTER WATER

#124
20170292103
2017-10-12

Perfusion filtration systems

#125
20170266621
2017-09-21

Portable liquid-filtration device

#126
20170260229
2017-09-14

Reaction process with membrane separation

#127
20170216777
2017-08-03

Method and apparatus for cleaning filter membrane, and water treatment system

#128
20170205323
2017-07-20

Automated ultra-filtration workstation

#129
20170174528
2017-06-22

WATER PURIFIER

#130
20170138832
2017-05-18

In situ evaluation of filter parameters with opticoanalytical devices

#131
20170128905
2017-05-11

Multiple identification point automated parameter assurance method

#132
20170080390
2017-03-23

Closed loop membrane filtration system and filtration device

#133
20170056831
2017-03-02

Intermittent-bubbling equipment

#134
20160356132
2016-12-08

Device and method for positioning a detonator within a perforating gun assembly

#135
20160332119
2016-11-17

Ultrafiltration membrane device, bioartificial organ, and related methods

#136
20160279578
2016-09-29

Process for preparing chemical liquid of silylating agent and surface treatment method

#137
20160256832
2016-09-08

Method for lifting membrane separation apparatus

#138
20160185627
2016-06-30

System and method for treating contaminated wastewater

#139
20160152932
2016-06-02

CROSS-FLOW FILTRATION SYSTEM FOR VITICULTURE

#140
20150343332
2015-12-03

Automated layer by layer construction of multilayer coated cores by TFF

#141
20150336057
2015-11-26

Open bottom multiple channel gas delivery device for immersed membranes

#142
20150329376
2015-11-19

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

#143
20150328587
2015-11-19

Filtering apparatus

#144
20150298035
2015-10-22

System for reducing product losses, product dilution, chemical dilution and water consumption in a crossflow membrane separation system

#145
20150290563
2015-10-15

Open bottom multiple channel gas delivery device for immersed membranes

#146
20150265973
2015-09-24

Gas scouring apparatus for immersed membranes

#147
20150260747
2015-09-17

Automated ultra-filtration apparatus

#148
20150182919
2015-07-02

Aerator device and filter system including the same

#149
20150175446
2015-06-25

System and method for filtering

#150
20150083665
2015-03-26

Micro flow filtration system and flow filtration method for a fluid sample

#151
20150068968
2015-03-12

Faucet with built-in filter units

#152
20150041395
2015-02-12

Micro flow filtration system and flow filtration method

#153
20150020366
2015-01-22

Device for filtration with a set of least one filter cassette

#154
20150013773
2015-01-15

Device for a biological liquid treatment installation

#155
20150008184
2015-01-08

Device for a biological liquid treatment installation

#156
20140299531
2014-10-09

Device for filtration with a set of least one filter cassette

#157
20140299530
2014-10-09

Device for filtration with a set of least one filter cassette

#158
20140231256
2014-08-21

Liquid to liquid biological particle fractionation and concentration

#159
20140190889
2014-07-10

Combined acoustic micro filtration and phononic crystal membrane particle separation

#160
20140048471
2014-02-20

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

#161
20130319944
2013-12-05

Pneumatic alternating pressure membrane cell separation system

#162
20130319084
2013-12-05

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

#163
20130306539
2013-11-21

Device for filtration with a set of least one filter cassette

#164
20130284656
2013-10-31

System and method for installing filtering membrane module to frame structure

#165
20130270191
2013-10-17

Nanoflotation

#166
20130270184
2013-10-17

Method and system for cleaning membrane filters

#167
20130240065
2013-09-19

Bag for a circuit of a biological liquid treatment installation

#168
20130233777
2013-09-12

Disposable tangential flow filtration liner with sensor mount

#169
20130228514
2013-09-05

Filtration method for operating a filtration module with gas feed at its permeate side to prevent backflow of permeate

#170
20130161245
2013-06-27

Single-use manifolds for automated, aseptic handling of solutions in bioprocessing applications

#171
20130121891
2013-05-16

Selected solids separation

#172
20130118966
2013-05-16

Fixing member and membrane module unit

#173
20130075322
2013-03-28

Cleaning device of membrane filtration apparatus

#174
20130048560
2013-02-28

Membrane filter system

#175
20130032526
2013-02-07

Membrane unit and membrane separation device

#176
20130015130
2013-01-17

PULSE AERATION FOR IMMERSED MEMBRANES

#177
20130001146
2013-01-03

Filtering device comprising membrane filtering modules and assembly of modules for such a device

#178
20120325747
2012-12-27

Combined acoustic micro filtration and phononic crystal membrane particle separation

#179
20120292318
2012-11-22

Tank facility with side access

#180
20120261315
2012-10-18

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

#181
20120228220
2012-09-13

Molecular separator

#182
20120192958
2012-08-02

Disposable tangential flow filtration device holder

#183
20120187048
2012-07-26

SYSTEMS AND METHODS FOR SCOURING MEMBRANE BIOREACTORS

#184
20120187043
2012-07-26

IMMERSION MEMBRANE APPARATUS CLEANING PROCESS AND IMMERSION MEMBRANE APPARATUS

#185
20120175295
2012-07-12

Blood treatment unit for an extra-corporeal blood treatment apparatus

#186
20120174996
2012-07-12

Manifold for a device for filtration with a set of least one filter cassette

#187
20120160342
2012-06-28

Bag for a circuit of a biological liquid treatment installation

#188
20120152862
2012-06-21

Non-blocking filtration system

#189
20120145610
2012-06-14

Fresh water generator

#190
20120138522
2012-06-07

Device for a biological liquid treatment installation

#191
20120138173
2012-06-07

Device for a biological liquid treatment installation

#192
20120111782
2012-05-10

Device for filtration with a set of least one filter cassette

#193
20120103881
2012-05-03

WATER TREATMENT PLANT WITH IMMERSED MEMBRANES

#194
20120097596
2012-04-26

FILTERING SYSTEM

#195
20120080375
2012-04-05

METHOD AND DEVICE FOR MANUFACTURING FILTERED LIQUIDS

#196
20120031502
2012-02-09

Dialysis service box

#197
20120018367
2012-01-26

MEMBRANE SEPARATOR

#198
20120017942
2012-01-26

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

#199
20120006736
2012-01-12

Device for a biological liquid treatment installation

#200
20110315619
2011-12-29

Immersion-type membrane separation apparatus

#201
20110253627
2011-10-20

System and method for filtering

#202
20110233151
2011-09-29

Cross flow filter device

#203
20110220572
2011-09-15

FILTERING SYSTEM AND METHOD

#204
20110204092
2011-08-25

CONNECTOR APPARATUS AND SYSTEM INCLUDING CONNECTOR APPARATUS

#205
20110180483
2011-07-28

Filtration method, method for purifying polishing composition using it, method for regenerating filter to be used for filtration, and filter regenerating apparatus

#206
20110163017
2011-07-07

Wastewater treatment method and apparatus

#207
20110127203
2011-06-02

Disposable tangential flow filtration liner with sensor mount

#208
20110126714
2011-06-02

BLOOD TREATMENT DIALYZER/FILTER FOR PERMITTING GAS REMOVAL

#209
20110111412
2011-05-12

Uses of parylene membrane filters

#210
20110084023
2011-04-14

PORTABLE WATER PURIFIER AND METHOD OF PURIFYING WATER OF USING THE SAME

#211
20110073203
2011-03-31

FLOW CHANNEL SWITCHING DEVICE

#212
20110058983
2011-03-10

Device for the filtering a complex liquid such as blood, in particularly applicable to an autotransfuser

#213
20110049037
2011-03-03

Membrane module and membrane cassette

#214
20110049034
2011-03-03

MODULAR CROSS-FLOW FILTRATION SYSTEM

#215
20110008866
2011-01-13

Tangential Flow Filtration Apparatuses, Systems, and Processes for the Separation of Compounds

#216
20110005993
2011-01-13

Membrane separator and membrane cassette

#217
20100300955
2010-12-02

Membrane cartridge

#218
20100282679
2010-11-11

ADVANCED CONTROL METHOD FOR A MEMBRANE FILTRATION UNIT, AND DEVICE FOR IMPLEMENTING THE METHOD

#219
20100282676
2010-11-11

Desalination system and elements thereof

#220
20100270227
2010-10-28

System and method for installing filtering membrane module to frame structure

#221
20100248335
2010-09-30

METHOD AND APPARATUS FOR TREATMENT OF ORGANIC WASTE

#222
20100243555
2010-09-30

Membrane element in immersion type membrane separation apparatus

#223
20100243552
2010-09-30

Membrane cartridge in immersion type membrane separation apparatus

#224
20100237016
2010-09-23

DEPTH EXPOSED MEMBRANE FOR WATER EXTRACTION

#225
20100224541
2010-09-09

Fine bubble diffusing pipe, fine bubble diffusing apparatus, and submerged membrane separation apparatus

#226
20100193424
2010-08-05

CAPILLARY MEMBRANE FILTER WITH MANUALLY ACTIVATED BACKWASH PUMP

#227
20100171081
2010-07-08

ULTRACAPACITORS COMPRISED OF MINERAL MICROTUBULES

#228
20100155248
2010-06-24

Water purification system and method, and module for the system

#229
20100097605
2010-04-22

Filtrate monitoring device, and filtrate monitoring system

#230
20100096311
2010-04-22

BLOOD TREATMENT DIALYZER/FILTER DESIGN TO TRAP ENTRAINED AIR IN A FLUID CIRCUIT

#231
20100000941
2010-01-07

Simple gas scouring method and apparatus

#232
20100000929
2010-01-07

System comprising a fluid treatment module and a support structure

#233
20090314695
2009-12-24

Tangential filtration device

#234
20090308797
2009-12-17

Hollow fiber membrane module and method for making thereof

#235
20090283477
2009-11-19

APPARATUS AND METHOD FOR FILTERING LIQUID

#236
20090283465
2009-11-19

Filtration unit

#237
20090283460
2009-11-19

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

#238
20090255872
2009-10-15

AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEM

#239
20090230056
2009-09-17

Method of treating wastewater

#240
20090229466
2009-09-17

Blood treatment dialyzer/filter for permitting gas removal

#241
20090218299
2009-09-03

INVERTED AERATED IMMERSED SCREEN, SCREEN ASSEMBLY AND OPERATING PROCESS

#242
20090152180
2009-06-18

Large Scale Membrane Separating Device

#243
20090131858
2009-05-21

Ultrafiltration membrane, device, bioartificial organ, and related methods

#244
20090120461
2009-05-14

Aircraft Rinse System

#245
20090045127
2009-02-19

Aircraft Rinse System

#246
20090045126
2009-02-19

Molecular separator

#247
20090026140
2009-01-29

Floating porous hollow fiber membrane bundle

#248
20080316677
2008-12-25

Ultracapacitors comprised of mineral microtubules

#249
20080302712
2008-12-11

Liquid filtration device

#250
20080272065
2008-11-06

Molecular separator

#251
20080237110
2008-10-02

Membrane cascade-based separation

#252
20080237109
2008-10-02

Crossflow filtration system with quick dry change elements

#253
20080230477
2008-09-25

Blast energy accumulator and energy conversion device and method

#254
20080230474
2008-09-25

System and method for filtering water and/or wastewater

#255
20080210623
2008-09-04

Square membrane manifold system

#256
20080210609
2008-09-04

Water purification system and method, and module for the system

#257
20080197067
2008-08-21

Reversible vacuum filter cartridge

#258
20080190849
2008-08-14

DEPTH EXPOSED MEMBRANE FOR WATER EXTRACTION

#259
20080177215
2008-07-24

Methods, devices, and systems for hemodilution

#260
20080156745
2008-07-03

Continuously variable aeration

#261
20080156709
2008-07-03

Wastewater treatment method and apparatus

#262
20080142419
2008-06-19

FILTRATION SYSTEMS

#263
20080135497
2008-06-12

Membrane Filter System Comprising Parallel Cross-Flow Filter Modules

#264
20080128349
2008-06-05

Three-Position and Five-Way Angular Valve and Automatic Watersupply Treating System Controlled By It

#265
20080121593
2008-05-29

Filter System for Water and Waste Water

#266
20080116145
2008-05-22

Molecular separator

#267
20080105605
2008-05-08

Water treating apparatus

#268
20080093299
2008-04-24

Membrane filtration module with adjustable header spacing

#269
20080093297
2008-04-24

Filtration System

#270
20080093296
2008-04-24

Separation of Solid Particles from the Liquid in Which They are Dispersed

#271
20080060990
2008-03-13

Hollow fiber filter for extracorporeal blood circuit

#272
20080053923
2008-03-06

Methods and apparatus for removing solids from a membrane module

#273
20080035563
2008-02-14

Immersed-Membrane Water Treating Filtering Device Comprising Means Preventing Filterable Medium Backflowing to Filter Cleaning Gas Injecting Means

#274
20080000824
2008-01-03

Cross Flow Filter Device With Concentric Filter Elements

#275
20070246406
2007-10-25

Tangential flow filtration apparatuses, systems, and processes for the separation of compounds

#276
20070244306
2007-10-18

Fractionator and method of fractionation

#277
20070241048
2007-10-18

Disposable tangential flow filtration device holder

#278
20070205154
2007-09-06

Apparatus and method for filtering liquid

#279
20070187328
2007-08-16

Method and system for filtering sediment-bearing fluids

#280
20070163943
2007-07-19

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

#281
20070163930
2007-07-19

Multiple barrier filter apparatus

#282
20070158256
2007-07-12

Apparatus and method for micro or ultrafiltration

#283
20070151916
2007-07-05

NETWORK FOR SUPPORTING SPIRAL WOUND MEMBRANE CARTRIDGES FOR SUBMERGED OPERATION

#284
20070138070
2007-06-21

Process and energy-efficient biological treatment system with filtration membrane

#285
20070114161
2007-05-24

Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge

#286
20070107601
2007-05-17

Liquid filtration device

#287
20070090038
2007-04-26

Contaminated liquid filtration system vehicle

#288
20070062872
2007-03-22

Crystallized pellet/liquid separator

#289
20070039883
2007-02-22

Water separation system

#290
20070029236
2007-02-08

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

#291
20070025883
2007-02-01

Uses of parylene membrane filters

#292
20070007207
2007-01-11

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

#293
20070007206
2007-01-11

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

#294
20060283801
2006-12-21

Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus

#295
20060272998
2006-12-07

Permeate connection for immersed membrane

#296
20060266687
2006-11-30

Filtration apparatus

#297
20060266686
2006-11-30

Filtration apparatus

#298
20060266685
2006-11-30

Filtration apparatus

#299
20060266680
2006-11-30

Method of operating a water treatment plant with immersed membranes

#300
20060260998
2006-11-23

Filtration device