ClassID:

86643

C02F2301/063 - CPC Classification

Classification description:

General aspects of water treatment; Pressure conditions Underpressure, vacuum

Recent Application in this class:
#1
20260109628
2026-04-23

FLOW TESTING AND DECHLORINATION DEVICE AND METHOD

#2
20260091999
2026-04-02

HYDRAULIC CIRCUIT CONFIGURATION FOR A VACUUM AIR LIFT SYSTEM AND METHOD OF USING THE SAME

#3
20260091989
2026-04-02

SYSTEM AND METHOD FOR PROVIDING POWER FOR DESALINATION USING ENERGY FROM WATER MOVEMENT

#4
20260055010
2026-02-26

Extracting Carbon Dioxide from Seawater Using Bubble Reactors

#5
20260015275
2026-01-15

THERMAL DRIVEN WATER DESALINATION SYSTEM USING FORWARD OSMOSIS

#6
20260015257
2026-01-15

WASTEWATER PROCESSING SYSTEMS AND METHODS

#7
20250376866
2025-12-11

Cleaning Device

#8
20250256997
2025-08-14

Methods and Devices for Collection of Liquid Foams

#9
20250215888
2025-07-03

UNDERWATER VACUUM CLEANER IMPELLER

#10
20250205647
2025-06-26

THERMAL VAPOR COMPRESSION MEMBRANE DISTILLATION HYBRID USING VAPOR SELECTIVE MEMBRANES

#11
20250171337
2025-05-29

PROCESS FOR DEOILING WATER AND EFFLUENT, USES OF AN ELECTROMAGNETIC TREATMENT SUBPROCESS AND/OR A MICROBUBBLE GENERATION SUBPROCESS FOR OZONE DISSOLUTION, AND METHODS RELATIVE TO SAID USES

#12
20250128963
2025-04-24

Portable Water Filtration Apparatus and Method

#13
20250074796
2025-03-06

THERMAL DRIVEN WATER DESALINATION SYSTEM USING FORWARD OSMOSIS

#14
20250059078
2025-02-20

HUMAN WASTE COLLECTION AND SEPARATION SYSTEM

#15
20250012028
2025-01-09

BIOCHAR-ENHANCED GRASS BLANKET FOR REMEDIATING CONTAMINATED SEDIMENT AND PREPARATION METHOD THEREOF, AND METHOD FOR REMEDIATING CONTAMINATED SEDIMENT

#16
20250011196
2025-01-09

WATER PURIFICATION AND METHOD FOR PURIFYING WATER

#17
20240306683
2024-09-19

HIGH BRIX VACUUM EVAPORATION CONCENTRATION PROCESSAND SYSTEM AND CONCENTRATED PRODUCT

#18
20240286928
2024-08-29

WATER DISTILLATION DEVICE

#19
20240278147
2024-08-22

METHOD FOR TREATING A FLUID COMPRISING SALTS AND SYSTEM FOR IMPLEMENTING THE METHOD

#20
20240246846
2024-07-25

TREATING WASTEWATER FOR REUSE

#21
20240224957
2024-07-11

Recirculation aquaculture system and method

#22
20240124327
2024-04-18

System and Method of Distilling/Desalinating Water in a Vacuum-Applied Centrifugal Multi-Phase Manner

#23
20240067542
2024-02-29

BIOCIDE TREATMENT OF PRODUCED WATER

#24
20230249990
2023-08-10

Vacuum assisted liquid separation system

#25
20230089532
2023-03-23

SLUDGE TREATMENT TECHNOLOGY AND RAPID SLUDGE TREATMENT METHOD USING FLOCCULATION-HORIZONTAL DRAIN BOARD VACUUM PRELOADING COMBINING WITH MULTI-LAYER SEALED GEOTEXTILE BAG

#26
20230029807
2023-02-02

Methods of removing inorganic fluoride from compositions containing fluorinated organic compounds

#27
20220396512
2022-12-15

Pressurized water filter and water filtration apparatus

#28
20220341102
2022-10-27

METHOD AND DEVICE FOR CONTROLLING THE WATER LEVEL IN GROUND

#29
20220274857
2022-09-01

Device for advanced degradation of organic wastewater and application thereof

#30
20220259073
2022-08-18

Solar distillation system with supplemental distillation units and associated methods

#31
20220204379
2022-06-30

Ultra-high temperature excrement solid-liquid separation extrusion sterilization integrated machine

#32
20220195745
2022-06-23

Underwater debris suction apparatus

#33
20220161194
2022-05-26

Thermal vapor compression membrane distillation hybrid using vapor selective membranes

#34
20220073382
2022-03-10

Method for accurate positioning and in-situ treatment of pollutants at sediment-water interface

#35
20220033282
2022-02-03

Solar powered vacuum assisted desalination system

#36
20220024797
2022-01-27

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#37
20220024782
2022-01-27

Vacuum air lift systems including a fluidic oscillator

#38
20210395111
2021-12-23

Solar distillation system with supplemental distillation units and associated methods

#39
20210387866
2021-12-16

DEVICE AND METHOD FOR TREATING LIQUID

#40
20210331960
2021-10-28

Zero-liquid discharge (ZLD) wastewater treatment apparatus and method

#41
20210300792
2021-09-30

Water Sanitizing System

#42
20210230035
2021-07-29

Waste Treatment System

#43
20210230019
2021-07-29

Degassing system, a degassing tower, and a water system having the same

#44
20210221706
2021-07-22

Plasma-based water treatment apparatus

#45
20210206678
2021-07-08

Methods and apparatuses for facilitating purification of sludge and tailing

#46
20210195930
2021-07-01

High Brix vacuum evaporation concentration process and system and concentrated product

#47
20210189305
2021-06-24

Malting process for steeping grain comprising a water circulation step

#48
20210017062
2021-01-21

Method and facility for stationary thermal hydrolysis of organic material with total energy recovery

#49
20200399143
2020-12-24

Water purification system and process

#50
20200290911
2020-09-17

Sludge dewatering process assisted by flocculating reactant and plant for the implementation of such a process

#51
20200207642
2020-07-02

Vacuum air lift systems including a photobioreactor

#52
20200148558
2020-05-14

Method for hybridized desalination system using membrane distillation and adsorption desalination cycles

#53
20200140309
2020-05-07

Process and apparatus for treating sludge

#54
20190284074
2019-09-19

Method and device for treating wastewater containing organic matter and/or wet waste containing organic matter, in particular for treating sanitary wastewater in trains

#55
20190263699
2019-08-29

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#56
20190225524
2019-07-25

WASTE WATER SOLIDS SEPARATOR SYSTEM AND METHOD

#57
20190177179
2019-06-13

Controlling a vacuum sewer system

#58
20190118119
2019-04-25

Integrated unit for intake and pretreatment with local backwashing

#59
20190112774
2019-04-18

System and method for dewatering sediment ponds

#60
20190077679
2019-03-14

Vacuum air lift systems including a fluidized bed reactor

#61
20180170782
2018-06-21

Waste material process and product

#62
20180162762
2018-06-14

Method for ultra-dehydrating thickened or pasty biomass products, and equipment for implementing the method

#63
20180133653
2018-05-17

Arrangement for providing sterile water for injection purposes

#64
20180029902
2018-02-01

Vacuum air lift systems and methods

#65
20180021690
2018-01-25

WASTE SYSTEM UTILIZING WASTE HEAT TO REDUCE WATER CONTENT IN WASTE

#66
20170369132
2017-12-28

Apparatus, System, and Method For Remediation of Contamination

#67
20170361277
2017-12-21

VACUUMED GAP MEMBRANE DISTILLATION (VAGMED) MODULE, MULTI-STAGE VAGMED SYSTEMS, AND VAGMED PROCESSES

#68
20170321527
2017-11-09

Process for removing dissolved gas from an evaporator feed stream

#69
20170275195
2017-09-28

Method and arrangement for wastewater treatment

#70
20170014877
2017-01-19

Portable wet drilling waste treatment

#71
20160376168
2016-12-29

Low energy fluid purification system

#72
20160367912
2016-12-22

Oil-water separator

#73
20160318784
2016-11-03

Sea water harvesting process

#74
20160280565
2016-09-29

Methods for sustainable membrane distillation concentration of hyper saline streams

#75
20160272507
2016-09-22

System and method for water treatment

#76
20160271519
2016-09-22

Vacuum Condenser

#77
20160257581
2016-09-08

Hydrophobic porous silica aerogel composite membrane and vacuum membrane distillation method

#78
20160214039
2016-07-28

Nozzle-brush automatic cleaning filter with motor reducer

#79
20160138727
2016-05-19

Discharge vacuum relief valve for safety vacuum release system

#80
20160137531
2016-05-19

Device for improving the chemical and physical properties of water and methods of using same

#81
20160107900
2016-04-21

System and method for treating contaminated water

#82
20160075583
2016-03-17

Solids removal system and method

#83
20160052815
2016-02-25

Method for ultra-dehydrating thickened or pasty biomass products, and equipment for implementing the method

#84
20160047218
2016-02-18

Method of flash-cooling produced water and heating steam generator feedwater

#85
20150329378
2015-11-19

Multi-effect solar distillation system and associated methods

#86
20150299011
2015-10-22

Method for breakdown of toxic organic compounds contained in wastewaters and/or waste gases

#87
20150210566
2015-07-30

Self-contained irrigation polishing system

#88
20150197428
2015-07-16

Apparatus, system, and method for remediation of contamination

#89
20150175439
2015-06-25

Method for lowering the pressure inside the hood interior of a separator arrangement

#90
20140305873
2014-10-16

Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers

#91
20140138326
2014-05-22

Mixed fluid filtration system

#92
20140113819
2014-04-24

High pressure dissolved oxygen generation

#93
20140076803
2014-03-20

“In-situ” ballast water treatment method and system

#94
20140056777
2014-02-27

Ammonia recovery device and recovery method

#95
20130344575
2013-12-26

Process for microalgae conditioning and concentration

#96
20130306553
2013-11-21

Method for treating process water from a plant for the hydrothermal carbonisation of renewable raw materials and organic residues

#97
20130291532
2013-11-07

Tidal energy seawater desalination system, power generation system and integral energy utilization system

#98
20130284019
2013-10-31

Method and apparatus for treating process water

#99
20130126448
2013-05-23

Solids removal system and method

#100
20130075343
2013-03-28

Self-contained irrigation polishing system

#101
20130075342
2013-03-28

Environmental remediation system

#102
20130062191
2013-03-14

System and method for water treatment

#103
20130062190
2013-03-14

System and method for water treatment

#104
20130062189
2013-03-14

System and method for water treatment

#105
20130062188
2013-03-14

System and method for water treatment

#106
20130048572
2013-02-28

Self-contained irrigation polishing system

#107
20130039837
2013-02-14

Method for the continuous recovery of carbon dioxide from acidified seawater

#108
20130032546
2013-02-07

HOT STERILIZATION OF WATER

#109
20130015140
2013-01-17

Method and device for treatment of water

#110
20130015051
2013-01-17

Separation of a vaporizable component under reduced pressure

#111
20120315209
2012-12-13

METHODS AND SYSTEMS FOR TREATING WATER STREAMS

#112
20120292257
2012-11-22

APPARATUS AND METHOD FOR COLLECTING AND TREATING WASTE

#113
20120285051
2012-11-15

Environmental Remediation System

#114
20120282678
2012-11-08

METHOD FOR RECOVERING INERT OR LIVING MICROPARTICLES AND USE AND INSTALLATION OF SAME

#115
20120248044
2012-10-04

Method for disinfecting sewage sludge

#116
20120205236
2012-08-16

High-efficiency thermal-energy-driven water purification system

#117
20120145629
2012-06-14

System and method for treating process water with separate separation of gases and solids

#118
20120145251
2012-06-14

Discharge vacuum relief valve for safety vacuum release system

#119
20120138539
2012-06-07

Method and Apparatus For Extraction of Hydrocarbons From a Body of Water Using Recovery Particle Binding

#120
20120118154
2012-05-17

Process and apparatus for removal of oxygen from seawater

#121
20120061318
2012-03-15

Apparatus and method for thermal hydrolysis of organic matter

#122
20120029233
2012-02-02

Method and apparatus for recovery of amine from amine-containing waste water and regeneration of cation exchange resin

#123
20120006762
2012-01-12

Solids removal system and method

#124
20110293378
2011-12-01

System, apparatus, and methods of remediation of contamination

#125
20110278222
2011-11-17

Ultrapure water production method and apparatus therefor

#126
20110263407
2011-10-27

Efficiency of centrifuge in municipal sludge dewatering

#127
20110240457
2011-10-06

Containment extension and processing method

#128
20110233144
2011-09-29

Solids removal system and method

#129
20110209406
2011-09-01

Gasification system employing ejectors

#130
20110146939
2011-06-23

Energy absorption and release devices and systems

#131
20110100917
2011-05-05

Method for recovering amine from amine-containing waste water

#132
20110100904
2011-05-05

Method and unit for the purification of wastewater with aerobic granular sludge

#133
20110097257
2011-04-28

Ammonia recovery device and recovery method

#134
20110056822
2011-03-10

Water separation under reduced pressure

#135
20110048921
2011-03-03

Solar desalinization plant

#136
20110048006
2011-03-03

Solar desalinization plant

#137
20110023968
2011-02-03

Liquid vacuum chemical feeder system

#138
20100264074
2010-10-21

Amalgam separator

#139
20100258511
2010-10-14

Environmental remediation system

#140
20100224556
2010-09-09

Jet aeration apparatus and method of using the same

#141
20100181234
2010-07-22

Process and apparatus for adsorptive bubble separation

#142
20100176062
2010-07-15

Process and apparatus for adsorptive bubble separation using a dense foam

#143
20100170853
2010-07-08

System and method for wastewater treatment

#144
20100167339
2010-07-01

Process for microalgae conditioning and concentration

#145
20100166626
2010-07-01

Method for wastewater treatment

#146
20100166625
2010-07-01

System and method for wastewater treatment

#147
20100163497
2010-07-01

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#148
20100163491
2010-07-01

System and method for wastewater treatment

#149
20100163489
2010-07-01

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#150
20100160707
2010-06-24

Encapsulation of Waste for Storage

#151
20100133154
2010-06-03

Apparatus, system and method for remediation of contamination

#152
20100126932
2010-05-27

Method and apparatus for treatment of contaminated liquid

#153
20100122784
2010-05-20

Process for treating pulp mill condenstates using a hollow fiber contactor

#154
20100059424
2010-03-11

Water filter device with control unit for setting a cutting ratio

#155
20100044284
2010-02-25

WATER FILTER DEVICE WITH DEPLETION DISPLAY

#156
20100044206
2010-02-25

Pipeline System

#157
20100032386
2010-02-11

Water purification with a peltier heat pump

#158
20100018935
2010-01-28

Multi-phase separation method

#159
20100000941
2010-01-07

Simple gas scouring method and apparatus

#160
20100000851
2010-01-07

Method and apparatus for water distillation and recovery

#161
20090300950
2009-12-10

Apparatus, System and Method for Remediation of Contamination

#162
20090294377
2009-12-03

Method for removing dissolved solids from aqueous waste streams

#163
20090249685
2009-10-08

Closed loop biomass energy system

#164
20090233159
2009-09-17

Cylindrical nickel-zinc cell with negative can

#165
20090232601
2009-09-17

Apparatus, system and method for remediation of contamination

#166
20090178974
2009-07-16

CONCRETE PUMP WASHOUT SYSTEMS AND METHODS

#167
20090120877
2009-05-14

METHOD FOR DESALINATION

#168
20090107832
2009-04-30

Removing contaminants from groundwater

#169
20090056426
2009-03-05

Apparatus, System and Method for Remediation of Contamination

#170
20090020232
2009-01-22

Containment extension and processing system and method

#171
20080314833
2008-12-25

COAGULANT DOSING PROCESS FOR MEMBRANE FILTRATION

#172
20080251452
2008-10-16

In-situ ballast water treatment method

#173
20080190861
2008-08-14

COMPOSITION AND METHOD FOR AGGLOMERATING SOLIDS IN SOLID-LIQUID SEPARATION PROCESSES

#174
20080149567
2008-06-26

Mobile vacuum flotation and clarification unit

#175
20080081097
2008-04-03

Phase transfer apparatus and process

#176
20080053914
2008-03-06

Methods of enhancing fine particle dewatering

#177
20080053913
2008-03-06

Nutrient recovery process

#178
20080053883
2008-03-06

Amalgam separator

#179
20080038184
2008-02-14

Process and apparatus for the production of sulphur oxides

#180
20080017498
2008-01-24

Seawater Desalination Plant

#181
20080011207
2008-01-17

Apparatus, system and method for remediation of contamination

#182
20070297953
2007-12-27

Ammonium/Ammonia Removal From a Stream

#183
20070295662
2007-12-27

Method for degassing a liquid

#184
20070256707
2007-11-08

TRANSPORTABLE CONCRETE PUMP WASHOUT SYSTEMS AND METHODS

#185
20070221574
2007-09-27

SYSTEM, METHOD, AND APPARATUS FOR AERATION AND PROCESSING WASTE IN AEROBIC WASTEWATER MANAGEMENT

#186
20070199904
2007-08-30

Methods for treatment of organic matter in liquid

#187
20070186960
2007-08-16

Pure water supply system, and cleaning system and cleaning method using pure water

#188
20070102370
2007-05-10

Aircraft with grey-water utilisation system

#189
20070102366
2007-05-10

Method for removal of phosphate from bodies of water by topical application of phosphate scavenging compositions with a hand held, hose end sprayer

#190
20070062853
2007-03-22

Multi-phase separation system

#191
20070056316
2007-03-15

Method and apparatus for the production of purified liquids and vapors

#192
20070039893
2007-02-22

Ammonium/ammonia removal from a stream

#193
20060289363
2006-12-28

Chemical feeder system and method

#194
20060240317
2006-10-26

Nickel zinc battery design

#195
20060144241
2006-07-06

Method, device, and system for controlling dissolved amount of gas

#196
20060131244
2006-06-22

Groundwater reactive gas injection and venting system for a groundwater remediation system

#197
20060108291
2006-05-25

Hog manure treatment method

#198
20060051236
2006-03-09

Liquid purification system

#199
20060037918
2006-02-23

Multi-phase separation system

#200
20050284811
2005-12-29

Apparatus and method for wastewater treatment

#201
20050236311
2005-10-27

Manually controlled skimming of industrial oil contaminants

#202
20050230321
2005-10-20

Apparatus and process for treating effluents

#203
20050218085
2005-10-06

Ozone sterilization method and device for water supply drainage

#204
20050218081
2005-10-06

Method for cleaning polluted water

#205
20050150833
2005-07-14

Method for recovering fluorine-containing emulsifier

#206
20050139551
2005-06-30

Methods of enhancing fine particle dewatering

#207
20050115891
2005-06-02

Device and method for cleaning a fluid, such as water

#208
20050109713
2005-05-26

Process for removing interstitial water from a wastewater sludge

#209
20050109705
2005-05-26

Coal-bed-methane water treatment system

#210
20050103721
2005-05-19

Reduced pressure water filtration system

#211
20050045556
2005-03-03

Apparatus, system and method for remediation of contamination

#212
20050005772
2005-01-13

Multi-phase separation system

#213
18336975
2023-10-24

Vacuum-flocculation-solidification integrated apparatus for waste mud and using method thereof

#214
17967625
2024-01-23

System and method of distilling/desalinating water in a vacuum-applied multi-phase manner

#215
17308505
2022-02-15

Water purification system