ClassID:

30737

B01D2311/246 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control; Quality control Concentration control

Recent Application in this class:
#1
20260138090
2026-05-21

METHOD FOR CONTROLLING WATER PURIFICATION

#2
20260034484
2026-02-05

MULTI-STAGE FILTRATION SYSTEM

#3
20250205645
2025-06-26

Portable Membrane Filtration

#4
20250122089
2025-04-17

METHOD OF EXTRACTING AND SEPARATING GALLIUM BY EMULSION LIQUID MEMBRANE

#5
20250114743
2025-04-10

Concentration Method and Concentration System for Raw Material Liquid

#6
20240390858
2024-11-28

HOT WATER CART CONDITIONING SYSTEM AND METHOD

#7
20240301533
2024-09-12

METAL RECOVERY SYSTEM AND METAL RECOVERY METHOD

#8
20240246032
2024-07-25

PROCESS CONTROL FOR MEMBRANE-BASED SEPARATIONS

#9
20240217855
2024-07-04

SELF-MEDIATED SALTLESS WHOLE HOME WATER TREATMENT SYSTEMS AND METHODS

#10
20240157277
2024-05-16

MULTI-STAGE FILTRATION SYSTEM FOR FUEL CELL HYBRID PROPULSION SYSTEM

#11
20240017214
2024-01-18

Portable membrane filtration

#12
20230391650
2023-12-07

Apparatus system and method to extract minerals and metals from water

#13
20230183113
2023-06-15

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#14
20220379263
2022-12-01

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

#15
20220314168
2022-10-06

Portable membrane filtration

#16
20220305441
2022-09-29

METHOD FOR CONTROLLING WATER PURIFICATION, AND A WATER PURIFICATION APPARATUS

#17
20220280898
2022-09-08

Water conditioning systems

#18
20220119281
2022-04-21

System and method for the treatment of water by reverse osmosis or nanofiltration

#19
20220111330
2022-04-14

Gas separation system and gas separation method

#20
20220097007
2022-03-31

CHEMICAL DOSING CONTROL METHOD

#21
20220054981
2022-02-24

Water purification systems and methods having pressurized draw stream

#22
20220040640
2022-02-10

Water conditioning systems having diversion devices

#23
20210322928
2021-10-21

Charge neutral biocide dosing control for membrane biofouling control applications

#24
20210309551
2021-10-07

Apparatus system and method to extract minerals and metals from water

#25
20210276901
2021-09-09

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#26
20210230017
2021-07-29

Computerized Control System for a Desalination Plant

#27
20210086138
2021-03-25

Vanox hot water cart conditioning method

#28
20210078873
2021-03-18

Water treatment management apparatus and water quality monitoring method

#29
20210077954
2021-03-18

Method and Apparatus for Onsite Generation and Recovery of Acid and Base Cleaning Solutions

#30
20210046424
2021-02-18

Forward osmosis performance improved membrane apparatus and method of separating solution using the same

#31
20210024382
2021-01-28

Water treatment system

#32
20200384415
2020-12-10

Water dispensing device for dispensing water having consistent taste

#33
20200384413
2020-12-10

Water conditioning systems

#34
20200338505
2020-10-29

Nanoporous membranes for fast diffusion of ions and small molecules

#35
20200231465
2020-07-23

High water efficiency TDS creep solution

#36
20200149578
2020-05-14

Micro flow filtration system and integrated microfluidic element

#37
20200147549
2020-05-14

Water conditioning systems having diversion devices

#38
20200095144
2020-03-26

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#39
20200078734
2020-03-12

Water purification systems and methods having pressurized draw stream

#40
20200024173
2020-01-23

Process and apparatus for enriching silicate in drinking water

#41
20200001240
2020-01-02

MEMBRANE SEPARATION DEVICE AND MEMBRANE SEPARATION METHOD

#42
20190381459
2019-12-19

Automated modular filtration system

#43
20190381456
2019-12-19

METHOD FOR MANAGING OPERATION OF REVERSE OSMOSIS MEMBRANE DEVICE AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM

#44
20190322548
2019-10-24

System and method for the treating of water by reverse osmosis or nanofiltration

#45
20190300410
2019-10-03

Apparatus system and method to extract minerals and metals from water

#46
20190299163
2019-10-03

Water purifier

#47
20190184339
2019-06-20

Method and system for performing a batch reverse osmosis process using a tank with a movable partition

#48
20190070561
2019-03-07

Method and system for water treatment

#49
20190039922
2019-02-07

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate

#50
20190039022
2019-02-07

METHOD FOR CONTROLLING OPERATION OF REVERSE OSMOSIS MEMBRANE APPARATUS AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM

#51
20190010105
2019-01-10

Method and system for recycling spent ethylene glycol from recovered aircraft de-icing solution

#52
20180245619
2018-08-30

Micro flow filtration system and integrated microfluidic element

#53
20180243693
2018-08-30

Water purification systems and methods having pressurized draw stream

#54
20180230024
2018-08-16

HIGH TOXICITY WASTEWATER MITIGATION METHODS AND SYSTEMS

#55
20180207585
2018-07-26

Method and system for performing a batch reverse osmosis process using a tank with a movable partition

#56
20180207584
2018-07-26

Method of osmotic pressure free reverse osmosis for enriching solute-containing solution to high concentration

#57
20180193800
2018-07-12

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

#58
20180180581
2018-06-28

Method and device for testing the effectiveness of magnetic treatment of feed water for reducing mineral scaling in reverse osmosis processes

#59
20180085708
2018-03-29

Controller for energy generation system

#60
20180036686
2018-02-08

WATER QUALITY MONITORING DEVICE, WATER TREATMENT DEVICE, WATER TREATMENT SYSTEM, WATER QUALITY MONITORING METHOD, AND PROGRAM

#61
20170369340
2017-12-28

APPARATUS AND METHOD FOR CONTROLLING TOTAL DISSOLVED SOLIDS, AND WATER TREATMENT APPARATUS INCLUDING THE SAME

#62
20170361279
2017-12-21

Method and system for water treatment

#63
20170267617
2017-09-21

Method and system for recycling spent ethylene glycol from recovered aircraft de-icing solutions

#64
20170152154
2017-06-01

Reverse Osmosis System

#65
20170137304
2017-05-18

Water conditioning systems

#66
20170137303
2017-05-18

Water conditioning systems having diversion devices

#67
20170136412
2017-05-18

Fluid conditioning systems having caps with filter cartridge sealing and removal devices and/or locking devices

#68
20170014758
2017-01-19

Conversion of gas and treatment of a solution

#69
20160279319
2016-09-29

System and Method for Delivery of Regional Citrate Anticoagulation to Extracorporeal Blood Circuits

#70
20160250404
2016-09-01

Redox controlled electrosorption and decomposition device for the purification of blood and other fluids

#71
20160228820
2016-08-11

Electrolyte chemistry and improved stack performance in high brine concentration electrodialysis

#72
20160207811
2016-07-21

Scale detection device and method for concentrating device, and water reclamation processing treatment system

#73
20160185627
2016-06-30

System and method for treating contaminated wastewater

#74
20160002071
2016-01-07

Method of operating reverse osmosis membrane apparatus

#75
20150129508
2015-05-14

Filtering contaminants from fluid

#76
20150114905
2015-04-30

Method and a system for monitoring and control of fouling and optimization thereof of two side membrane fouling process

#77
20140262989
2014-09-18

Reverse osmosis system with an automated modulated bypass

#78
20130299426
2013-11-14

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#79
20130274642
2013-10-17

Multimodal dialysis system

#80
20130213892
2013-08-22

Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations

#81
20130193072
2013-08-01

Water separation method and apparatus

#82
20130161256
2013-06-27

Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations

#83
20130134094
2013-05-30

Methods and Apparatus for Removing Impurities from Water

#84
20130068674
2013-03-21

Reverse osmosis membrane separation device

#85
20130015132
2013-01-17

Water purification apparatus and method for using pressure filter and pore control fiber filter

#86
20120265116
2012-10-18

SYSTEM AND METHOD FOR DELIVERY OF REGIONAL CITRATE ANTICOAGULATION TO EXTRACORPOREAL BLOOD CIRCUITS

#87
20120080379
2012-04-05

Method and production plant for producing sterile water

#88
20120031839
2012-02-09

Method of maintaining a protein concentration at a tangential flow filter

#89
20110284376
2011-11-24

Systems and techniques for electrodialysis

#90
20110282262
2011-11-17

Continuous ambulatory hemofiltration device

#91
20110240557
2011-10-06

Method and system for reverse osmosis predictive maintenance using normalization data

#92
20110203987
2011-08-25

Reverse osmosis system

#93
20110163016
2011-07-07

Reverse Osmosis System

#94
20110147285
2011-06-23

Reverse-osmosis water desalination plant

#95
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#96
20110084024
2011-04-14

Filter with memory, communication and concentration sensor

#97
20110079546
2011-04-07

Membrane filtering device managing system and membrane filtering device for use therein, and membrane filtering device managing method

#98
20110046787
2011-02-24

Water separation method and apparatus

#99
20110020181
2011-01-27

FILTER WITH MEMORY, COMMUNICATION AND CONCENTRATION SENSOR

#100
20110000849
2011-01-06

Water purification apparatus and method for using pressure filter and pore control fiber filter

#101
20100282671
2010-11-11

METHOD OF TREATING WASTEWATER

#102
20100219128
2010-09-02

Dehydration system and dehydration method

#103
20100190965
2010-07-29

Method for separation of immunoglobulin monomers

#104
20100176347
2010-07-15

Method Of Limiting The Maximum Stress Developed In A Hybrid Ion-Conducting Ceramic Membrane

#105
20100096326
2010-04-22

METHOD TO CONTROL REVERSE OSMOSIS MEMBRANE BIOFOULING IN MUNICIPAL WATER PRODUCTION

#106
20100025329
2010-02-04

METHOD FOR TREATMENT WITH REVERSE OSMOSIS MEMBRANE

#107
20090308745
2009-12-17

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#108
20090239307
2009-09-24

Filter with memory, communication and concentration sensor

#109
20090221948
2009-09-03

System and method for delivery of regional citrate anticoagulation to extracorporeal blood circuits

#110
20090214522
2009-08-27

PROCESS FOR CONCENTRATION OF ANTIBODIES AND THERAPEUTIC PRODUCTS THEREOF

#111
20090194478
2009-08-06

Reverse Osmosis System

#112
20090098021
2009-04-16

Method of insuring the integrity of a filtering element

#113
20090049983
2009-02-26

Energy management system for membrane separation device

#114
20080023410
2008-01-31

Continuous closed-circuit desalination apparatus without containers

#115
20070243113
2007-10-18

Filter with memory, communication and concentration sensor

#116
20070237762
2007-10-11

Process for Concentration of Antibodies and Therapeutic Products Thereof

#117
20070215544
2007-09-20

Washing method and apparatus of separation membrane

#118
20070029255
2007-02-08

Desalination system powered by renewable energy source and methods related thereto

#119
20060231406
2006-10-19

Regeneration of adsorption media within electrical purification apparatuses

#120
20060051347
2006-03-09

Process for concentration of antibodies and therapeutic products thereof

#121
16408338
2020-07-21

Environmental water system