ClassID:

86532

C02F2201/001 - CPC Classification

Classification description:

Apparatus for treatment of water, waste water or sewage Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)

Recent Application in this class:
#1
20260078028
2026-03-19

ELECTROLYTIC BIOCIDE-GENERATING UNIT INTEGRATED WITH STRAINER

#2
20260070500
2026-03-12

GREY WATER RECLAMATION

#3
20260001788
2026-01-01

SELF-TREATING ELECTROLYTIC BIOCIDE GENERATING SYSTEM WITH RECIRCULATION

#4
20250388493
2025-12-25

Rain Water Collection, Filtration, and Life Boat System

#5
20250304474
2025-10-02

METHODS FOR FILTRATION OF SALT WATER OR CONTAMINATED LIQUIDS USING NANO-STRUCTURES AND MAGNETIC FILTERS

#6
20250282652
2025-09-11

Rain Water Collection, Filtration, and Life Boat System

#7
20250250783
2025-08-07

GREY WATER TANK AND GREY WATER SYSTEM

#8
20250185632
2025-06-12

CONTINUOUS IN-SITU THERAPEUTIC TREATMENT SYSTEM FOR FISH IN FRESHWATER, FROM SEAWATER

#9
20250136478
2025-05-01

Method for Operating a Reverse Osmosis Plant on a Body of Water; a Method for Operating a Reverse Osmosis Plant on a Body of Water; Reverse Osmosis Plant

#10
20250115504
2025-04-10

SYSTEM FOR TREATING PRODUCED WATER RESULTING FROM OIL EXTRACTION AND PNEUMATIC FLOCCULATION METHOD BY INJECTION OF INERT GAS INTO HEAT EXCHANGERS

#11
20240410574
2024-12-12

COMPACT WASTE COMBUSTION SYSTEM

#12
20240383781
2024-11-21

DISPOSAL OF EFFLUENT WATER FROM AN OFFSHORE OIL AND GAS INSTALLATION

#13
20240336498
2024-10-10

FLOATATION APPARATUS AND METHOD OF TREATING LIQUID MEDIUM

#14
20240325948
2024-10-03

FUEL-WATER SEPARATOR CONTAINMENT SYSTEMS AND METHODS FOR WATERCRAFT

#15
20240317608
2024-09-26

WATER SUPPLY AND DISTRIBUTION SYSTEM ON-BOARD AN AIRCRAFT AND METHOD FOR HYGIENIC AND EFFICIENT OPERATION OF SUCH SYSTEM

#16
20240217851
2024-07-04

AUTONOMOUS VESSEL FOR TREATING ALGAE BLOOMS IN RESERVOIRS, COASTAL WATERWAYS, LAKES AND RIVERS

#17
20240217830
2024-07-04

System for offshore production of fuel

#18
20240199452
2024-06-20

SELF-TREATING ELECTROLYTIC BIOCIDE GENERATING SYSTEM WITH RETRO-FITTING FEATURES FOR USE ON-BOARD A WATERCRAFT

#19
20240116775
2024-04-11

WASTE FLUID WATER RECOVERY SYSTEMS

#20
20240083770
2024-03-14

WATER SUPPLY AND DISTRIBUTION SYSTEM ON-BOARD AN AIRCRAFT AND METHOD FOR OPERATING SUCH SYSTEM WITH LOW MAINTENANCE EFFORT

#21
20230406716
2023-12-21

System for offshore production of fuel

#22
20230219828
2023-07-13

Autonomous water analysis device and swimming pool equipped with such a device

#23
20230068072
2023-03-02

Negative Pressure Aeration And Organic Growth Suppression System

#24
20230031923
2023-02-02

ELECTROLYTIC BIOCIDE-GENERATING UNIT INTEGRATED WITH STRAINER

#25
20230030307
2023-02-02

INTEGRATED FILTRATION AND GAS FLOATATION WATER TREATMENT SYSTEM AND PROCESS

#26
20230002248
2023-01-05

MOBILE WATER PURIFICATION SYSTEM

#27
20220298031
2022-09-22

Self-treating electrolytic biocide generating system with recirculation

#28
20220252071
2022-08-11

SUBSEA ELECTRIC FLUID PROCESSING MACHINE

#29
20220213659
2022-07-07

Floating-oil recovery device

#30
20220185702
2022-06-16

Condensation catalyst systems and methods

#31
20220112099
2022-04-14

ARRANGEMENT (DEVICE) FOR CONVERSION OF WATER CONTAMINATED WITH HARMFUL ELEMENTS INTO CERTIFIED ECOLOGICAL, HEALTHY WATER WITH NATURAL CLEANING OF WATER WITHOUT FILTERS

#32
20220033039
2022-02-03

System for fresh water supply using desalination vessel and autonomous navigation vessel

#33
20220024797
2022-01-27

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

#34
20220009796
2022-01-13

Water turbine that captures ionic surfactants of the water from polluted rivers and seas using mantle periodotite carbon mineralization based activated carbon for purification

#35
20220008868
2022-01-13

Systems and methods for supplying low salinity injection water

#36
20210387118
2021-12-16

Water filtration device for aircraft galley plumbing system

#37
20210348757
2021-11-11

Compact waste combustion system

#38
20210331948
2021-10-28

Electrolytic biocide generating system for use on-board a watercraft

#39
20210155505
2021-05-27

Filter device particularly filter cartridge for water filters in aircraft

#40
20210069642
2021-03-11

Multi-pollutant exhaust treatment using seawater for marine applications

#41
20210054831
2021-02-25

Carbon negative clean fuel production system

#42
20210002003
2021-01-07

Methods and systems for supplying water to an aircraft

#43
20200385284
2020-12-10

Automated Waste Water Treatment

#44
20200370515
2020-11-26

System for injecting an aqueous solution into an injection engine

#45
20200360842
2020-11-19

Water filtration device for aircraft galley plumbing system

#46
20200354240
2020-11-12

Electro oxidation membrane evaporator

#47
20200339458
2020-10-29

Anaerobic waste treatment system for vehicles

#48
20200325052
2020-10-15

Marine water treatment system built into dock box for high-pressure boat wash and onboard water supply

#49
20200316520
2020-10-08

Water systems for onboard inerting systems of vehicles

#50
20200308021
2020-10-01

Wastewater and effluent separation and treatment systems

#51
20200299154
2020-09-24

Integrated desalination-power system

#52
20200255306
2020-08-13

Self-treating electrolytic biocide generating system with recirculation

#53
20200231468
2020-07-23

Condensation catalyst systems and methods

#54
20200223713
2020-07-16

Waste fluid treatment apparatus

#55
20200207641
2020-07-02

Water treatment system and method of use thereof

#56
20200156941
2020-05-21

Ozone generating machine with electrical closed cabinet cooled by closed loop

#57
20200061527
2020-02-27

Marine exhaust gas scrubbing and ballast water disinfection system

#58
20200055749
2020-02-20

Water system floor interface with ultraviolet light treatment

#59
20200017371
2020-01-16

Grey-water processing device for rail vehicles

#60
20190315488
2019-10-17

METHODS AND SYSTEMS FOR SUPPLYING WATER TO AN AIRCRAFT

#61
20190308890
2019-10-10

System and method for treatment of wastewater via enhanced electroflotation

#62
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

#63
20190263699
2019-08-29

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

#64
20190234053
2019-08-01

Sorption-based atmospheric water harvesting device

#65
20190225522
2019-07-25

Integrated filtration and gas floatation water treatment system and process

#66
20190210903
2019-07-11

Scale reduction cartridge system

#67
20190202721
2019-07-04

Ballast water treatment device and ballast water treatment method

#68
20190184315
2019-06-20

INSIDE-OUT WATER PURIFICATION SYSTEM

#69
20190152818
2019-05-23

Method of chlorinating drinking water on a ship, in particular a passenger ship

#70
20190144810
2019-05-16

Device for cell culture

#71
20190127086
2019-05-02

Methods and systems for supplying water to an aircraft

#72
20190106339
2019-04-11

Electrolytic biocide generating system for use on-board a watercraft

#73
20190063046
2019-02-28

Aircraft

#74
20180370820
2018-12-27

Water treatment system with passive halogen barrier

#75
20180339754
2018-11-29

ANTI-FOULING SYSTEM USING ENERGY HARVESTED FROM SALT WATER

#76
20180334402
2018-11-22

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#77
20180265377
2018-09-20

Water treatment system

#78
20180251386
2018-09-06

Subsea equipment cleaning system and method

#79
20180171604
2018-06-21

Sorption-based atmospheric water harvesting device

#80
20180170771
2018-06-21

Condensation catalyst systems and methods

#81
20180066647
2018-03-08

Peristaltic motor and pump combination

#82
20180051447
2018-02-22

Ultraviolet light treating water dispensation systems and methods

#83
20180037308
2018-02-08

Pollutant reduction device and method

#84
20170320765
2017-11-09

Water Reuse System

#85
20170226726
2017-08-10

Toilet device having a backflushing function for a particle filter

#86
20170096350
2017-04-06

Cleaning system for a ballast water treatment system

#87
20170088435
2017-03-30

System and method for cleaning and sterilizing a water flow

#88
20170073250
2017-03-16

Ionomer-membrane water processing apparatus

#89
20170043854
2017-02-16

Plant for the treatment of waste water on board of vessels

#90
20160297690
2016-10-13

Removal of oil recovery chemicals from production fluids

#91
20160236946
2016-08-18

Produced fluid heating and separation

#92
20160236122
2016-08-18

Ballast water treatment device

#93
20160229703
2016-08-11

Water distribution system with dual use water treatment unit

#94
20160115052
2016-04-28

System and method for the treatment of liquid waste in zero gravity

#95
20150353401
2015-12-10

Water recovery system for use in confined spaces

#96
20150284277
2015-10-08

Method and devices for remineralization or for correcting the ph of water produced in an aircraft

#97
20150217232
2015-08-06

Ionomer-membrane water processing apparatus

#98
20150129776
2015-05-14

Point of use water treatment device

#99
20140174672
2014-06-26

Land based or floating wastewater evaporator

#100
20140166566
2014-06-19

Water supply with a bidirectional UV disinfection device

#101
20140166556
2014-06-19

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#102
20140158219
2014-06-12

System for pipe treatment

#103
20140138326
2014-05-22

Mixed fluid filtration system

#104
20140061127
2014-03-06

Urea-based system for energy and waste recovery in water recycling

#105
20140061112
2014-03-06

Aircraft galley plumbing system potable water manifold/filter block

#106
20140027130
2014-01-30

Protective housings for a system

#107
20140021112
2014-01-23

Systems and methods for treating grey water on-board passenger transport vehicles

#108
20140014567
2014-01-16

Scale prevention for aircraft water system

#109
20130298998
2013-11-14

Water distribution system with dual use water treatment unit

#110
20130175452
2013-07-11

Methods and systems for disinfecting potable water supplies

#111
20130146783
2013-06-13

Inline UV LED water disinfection and heating

#112
20130048548
2013-02-28

Compact separation apparatus

#113
20120255916
2012-10-11

Produced fluid heating and separation

#114
20120168385
2012-07-05

Apparatus and method for the treatment of water

#115
20120104275
2012-05-03

Aircraft potable water system

#116
20120103882
2012-05-03

Device for Clarifying Wastewater Preferably on Ships

#117
20120051977
2012-03-01

Systems and methods for disinfecting water

#118
20120031823
2012-02-09

Apparatus for the Treatment of Wastewater

#119
20110297609
2011-12-08

Aircraft potable water system

#120
20110253636
2011-10-20

Chemical administrator for controllably treating wastewater

#121
20110089092
2011-04-21

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#122
20100282687
2010-11-11

System and Method for Extraction of Petroleum from Oil/Water Mixture

#123
20100237021
2010-09-23

Recirculation shower for aircraft

#124
20100230366
2010-09-16

SEAWATER TREATMENT METHOD FOR THE PRODUCTION OF INJECTION WATER FOR UNDERSEA OIL DRILLING AND CORRESPONDING INSTALLATION

#125
20100194013
2010-08-05

CNC material processing system with workpiece travel

#126
20100170857
2010-07-08

Apparatus for filtering and/or conditioning and/or purifying a fluid such as water

#127
20100170537
2010-07-08

Waste container washing vehicle

#128
20100133155
2010-06-03

Water distribution system with dual use water treatment unit

#129
20100125939
2010-05-27

Cyclone separator

#130
20100090840
2010-04-15

Method and device for easily monitoring the maintenance status of an UV-drinking water disinfection system in an aircraft

#131
20100059455
2010-03-11

METHODS AND SYSTEMS FOR DISINFECTING POTABLE WATER SUPPLIES

#132
20100051519
2010-03-04

Water treatment device and water treatment method for a passenger aircraft

#133
20100037653
2010-02-18

Desalination method and system using compressed air energy systems

#134
20100000945
2010-01-07

Filtering apparatus and method of use

#135
20090114603
2009-05-07

Wastewater treatment vessel

#136
20090057239
2009-03-05

METHOD AND APPARATUS FOR WATER DISTRIBUTION

#137
20090020172
2009-01-22

Method and Apparatus for Water Distribution

#138
20080296227
2008-12-04

Bring your own water treatment system

#139
20080267820
2008-10-30

Aircraft potable water disinfection/sanitation system

#140
20080173589
2008-07-24

DESALINATED WATER PACKAGING

#141
20080105624
2008-05-08

Method for Oxidative Treatment of Aqueous Liquids

#142
20080053907
2008-03-06

Offshore Wastewater Treatment

#143
20080023412
2008-01-31

Portable tank wastewater treatment system and method

#144
20080011689
2008-01-17

Desalination on an offshore apparatus

#145
20080011681
2008-01-17

Desalination Method

#146
20070234749
2007-10-11

Thermal energy storage system using compressed air energy and/or chilled water from desalination processes

#147
20070131872
2007-06-14

WATER-PURIFICATION DEVICE FOR A POTABLE WATER SYSTEM

#148
20070114182
2007-05-24

Wastewater treatment system for a marine vessel

#149
20070095732
2007-05-03

Anti-fouling system for offshore drilling structures

#150
20070056907
2007-03-15

Intake for water desalination systems, and methods of use

#151
20070023345
2007-02-01

Emergency saltwater filtration system

#152
20070000835
2007-01-04

Wastewater treatment

#153
20060169649
2006-08-03

Methods and systems for disinfecting potable water supplies

#154
20060169645
2006-08-03

Water treatment systems and techniques principally for use on-board aircraft

#155
20050236327
2005-10-27

Wastewater treatment

#156
20050126927
2005-06-16

Water supply system for an aircraft

#157
18600533
2025-09-09

Rain water collection, filtration, and life boat system

#158
17374771
2022-05-03

Systems and methods for decontaminating watercraft

#159
16565196
2020-07-21

Multi-pollutant exhaust treatment using seawater for marine applications

#160
15835077
2019-04-23

UV water treatment in portable water tank