ClassID:

30748

B01D2311/2634 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control; Further operations combined with membrane separation processes; Chemical reaction Oxidation

Recent Application in this class:
#1
20250340472
2025-11-06

Salt Separation and Destruction of PFAS Utilizing Reverse Osmosis and Salt Separation

#2
20250129301
2025-04-24

DESULFURIZATION TECHNIQUES

#3
20240182341
2024-06-06

Salt Separation and Destruction of PFAS Utilizing Reverse Osmosis and Salt Separation

#4
20240166534
2024-05-23

METHOD OF USING NANOFILTRATION AND REVERSE OSMOSIS TO REMOVE CHEMICAL CONTAMINANTS

#5
20240124340
2024-04-18

DECOMPOSITION OF GAS FIELD CHEMICALS

#6
20240092666
2024-03-21

METHOD AND SYSTEM FOR WASTEWATER TREATMENT BY MEMBRANE FILTRATION AND ELECTROCHEMICAL OXIDATION

#7
20230398492
2023-12-14

Device and method for protecting drinking water from microorganisms

#8
20230313053
2023-10-05

Desulfurization techniques

#9
20230109082
2023-04-06

Method of using nanofiltration and reverse osmosis to remove chemical contaminants

#10
20230064074
2023-03-02

CONTROLLING BIOFOULING IN WATER PURIFICATION

#11
20230047367
2023-02-16

Salt separation and destruction of PFAS utilizing reverse osmosis and salt separation

#12
20220348487
2022-11-03

Methods and systems for zero liquid discharge recycling of waste generated from manufacturing operations

#13
20220145006
2022-05-12

PROCESS FOR CONDITIONING AND REUSING SALT-CONTAINING PROCESS WATER

#14
20220041483
2022-02-10

Salt separation and destruction of PFAS utilizing reverse osmosis and salt separation

#15
20210322928
2021-10-21

Charge neutral biocide dosing control for membrane biofouling control applications

#16
20210309925
2021-10-07

Desulfurization techniques

#17
20210268439
2021-09-02

Method of using nanofiltration and reverse osmosis to remove chemical contaminants

#18
20210094855
2021-04-01

Methods of separating and isolating water and other desired constituents from oilfield produced brines

#19
20200171436
2020-06-04

ULTRAPURE-WATER PRODUCTION SYSTEM

#20
20200147556
2020-05-14

SYSTEM AND METHOD FOR CLEANING MEMBRANE FILTERS IN-LINE IN A WATER PURIFICATION SYSTEM

#21
20200010345
2020-01-09

Method of desalination and wastewater treatment in a microbial desalination cell reactor

#22
20190270660
2019-09-05

Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse

#23
20180371200
2018-12-27

PROCESS FOR REDUCING FORMALDEHYDE CONTENT FROM CATIONIC MELAMINE-FORMALDEHYDE RESIN SOLUTION

#24
20180170775
2018-06-21

Process and system for removing ammonium from wastewater

#25
20180111861
2018-04-26

Ozone generator for water purification system

#26
20180085709
2018-03-29

WATER TREATMENT DEVICE, AND METHOD OF OPERATING WATER TREATMENT DEVICE

#27
20180037604
2018-02-08

PROCESS FOR THE PURIFICATION OF RECOMBINANT PROTEINS

#28
20170266618
2017-09-21

WATER PRODUCTION METHOD

#29
20160318777
2016-11-03

Membrane water treatment facility and method incorporating adsorption on an adsorbent powdered material and means for limiting the abrasion of the membranes

#30
20160250404
2016-09-01

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

#31
20140066682
2014-03-06

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

#32
20130341270
2013-12-26

Apparatus, systems, and methods for fluid filtration

#33
20130032543
2013-02-07

Decontamination system with insoluble additives

#34
20120228219
2012-09-13

Spiral wound membrane element and treatment of SAGD produced water or other high temperature alkaline fluids

#35
17704552
2023-05-02

Enhanced tail gas treatment of sulfur recovery unit with steam swept membranes

#36
17245333
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#37
17245276
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#38
16599316
2020-07-14

Coated porous substrates for fracking water treatment

#39
16293431
2020-07-21

Reverse osmosis system