ClassID:

86217

C02F1/40 - page 4 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage Devices for separating or removing fatty or oily substances or similar floating material

Recent Application in this class:
#901
20090301964
2009-12-10

Apparatus for treating oil- and fat-containing wastewater and method of treating oil- and fat-containing wastewater

#902
20090289002
2009-11-26

Combined degassing and floatation tank

#903
20090255673
2009-10-15

Process for recovering heavy oil utilizing one or more membranes

#904
20090236234
2009-09-24

Electrolytic Process for Managing Urban Sewage

#905
20090230059
2009-09-17

Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters

#906
20090211991
2009-08-27

Filtering a dispersed phase (e.g. oil) from a continuous liquid (e.g. water) of a dispersion

#907
20090211507
2009-08-27

SYSTEM AND METHOD FOR THE COLLECTION AND DISPOSAL OF BALLAST WATER, BILGE WATER AND WASTE WATER

#908
20090208616
2009-08-20

INTERVENTION TECHNIQUES FOR REDUCING CARCASS CONTAMINATION

#909
20090206040
2009-08-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#910
20090204419
2009-08-13

Purification of Oil Field Production Water for Beneficial Use

#911
20090186782
2009-07-23

MIXED DEMULSIFIER OF ASP FLOODING PRODUCED LIQUID

#912
20090184055
2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#913
20090173692
2009-07-09

Water treatment process for oilfield produced water

#914
20090166296
2009-07-02

WASTEWATER TREATMENT PLANT

#915
20090145848
2009-06-11

Process for treating industrial effluent water with activtated media

#916
20090145822
2009-06-11

Apparatus for removing buoyant pollutants

#917
20090139325
2009-06-04

Capacitive probes and sensors, and applications therefor, and multimode wireless devices

#918
20090127091
2009-05-21

Water treatment method for heavy oil production

#919
20090114609
2009-05-07

Methods and apparatuses for filtering water from oil and gas wells

#920
20090114603
2009-05-07

Wastewater treatment vessel

#921
20090105355
2009-04-23

Flocculant for separating and flocculating oil and water

#922
20090101572
2009-04-23

System for treating produced water

#923
20090090473
2009-04-09

Wastewater treatment system and method

#924
20090078632
2009-03-26

MODULAR OIL-BASED SLUDGE SEPARATION AND TREATMENT SYSTEM

#925
20090078416
2009-03-26

Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation

#926
20090071907
2009-03-19

OIL SEPARATOR

#927
20090057236
2009-03-05

Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum

#928
20090057217
2009-03-05

Apparatus for contaminant recovery

#929
20090056940
2009-03-05

Process for recovering heavy oil utilizing one or more membranes

#930
20090050561
2009-02-26

SYSTEM AND METHOD FOR PROCESSING WASTEWATER

#931
20090045148
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#932
20090045123
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#933
20090045118
2009-02-19

Environmentally neutral processing with condensed phase cryogenic fluids

#934
20090045117
2009-02-19

ENVIRONMENTALLY-NEUTRAL PROCESSING WITH CONDENSED PHASE CRYOGENIC FLUIDS

#935
20090045115
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#936
20090044842
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#937
20090044841
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#938
20090044840
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#939
20090039001
2009-02-12

ENHANCED SEPARATION TANK WITH pH CONTROL

#940
20090032472
2009-02-05

Systems and methods for removal of heavy metal contaminants from fluids

#941
20090014392
2009-01-15

Systems and methods for separating hydrocarbons from water

#942
20090014368
2009-01-15

Mechanical flotation device for reduction of oil, alkalinity and undesirable gases

#943
20090001022
2009-01-01

Oil removal reclamation clarifier system and process for use

#944
20080290015
2008-11-27

Waste water filtering system

#945
20080272069
2008-11-06

Apparatus and method for separation of water from an emulsion or mixture of water and oil

#946
20080250831
2008-10-16

Fuel produced by the treatment of brown grease

#947
20080227180
2008-09-18

Method of managing organic waste

#948
20080210613
2008-09-04

System and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water

#949
20080185351
2008-08-07

System and method for water restoration

#950
20080164198
2008-07-10

Level-compensating surface skimming device

#951
20080156713
2008-07-03

Curb inlet filter

#952
20080152782
2008-06-26

Waste treatment process

#953
20080149567
2008-06-26

Mobile vacuum flotation and clarification unit

#954
20080149553
2008-06-26

SEPARATOR FOR IMMISCIBLE LIQUIDS

#955
20080116142
2008-05-22

Process to maintain large clean recreational water bodies

#956
20080099404
2008-05-01

Process for treating industrial effluent water with activated media

#957
20080093287
2008-04-24

Water pollution prevention and remediation apparatus

#958
20080093278
2008-04-24

Fluid treatment method and apparatus

#959
20080087608
2008-04-17

Compact multiphase inline bulk water separation method and system for hydrocarbon production

#960
20080087591
2008-04-17

System for treating wastewater

#961
20080083752
2008-04-10

Grease interceptor latching and riser system and method of use thereof

#962
20080083666
2008-04-10

System for Processing Contaminated Water

#963
20080081097
2008-04-03

Phase transfer apparatus and process

#964
20080061003
2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#965
20080053907
2008-03-06

Offshore Wastewater Treatment

#966
20080041796
2008-02-21

High back pressure filter for removing non-water component(s) from water

#967
20080035586
2008-02-14

Enhanced coalescer

#968
20080029446
2008-02-07

Apparatus for continually skimming off a top layer of a body of liquid

#969
20080011693
2008-01-17

Self-cleaning waste-water device and method

#970
20080008531
2008-01-10

Spill response system

#971
20080006588
2008-01-10

Ultra compact cyclonic flotation system

#972
20070295668
2007-12-27

Procedure and apparatus of the concentration of hydrophobic materials

#973
20070289911
2007-12-20

Relocatable countercurrent decantation system

#974
20070284314
2007-12-13

Oxidation Process for Water Treatment

#975
20070272618
2007-11-29

Method and apparatus for demulsifying an oil-water emulsion via ultrasonic

#976
20070272603
2007-11-29

Treatment apparatus of waste water containing oil and fat for grease trap and grease trap

#977
20070262032
2007-11-15

Treating method and equipment for coke-cooling wastewater

#978
20070256973
2007-11-08

Method and apparatus for separation of chemical materials from feces

#979
20070246414
2007-10-25

Water treatment apparatus and method

#980
20070244225
2007-10-18

Treatment of aqueous compositions containing contaminants

#981
20070227985
2007-10-04

Method and apparatus for separation of chemical materials from feces

#982
20070221586
2007-09-27

High pressure oil removing filter

#983
20070215557
2007-09-20

Grease processing unit for wastewater treatment

#984
20070209988
2007-09-13

Integrated apparatus and system for the treatment of waste fluids and drain networks

#985
20070199868
2007-08-30

Wastewater Purification Method

#986
20070193956
2007-08-23

AQUARIUM PROTEIN SKIMMER

#987
20070193955
2007-08-23

Aquarium protein skimmer

#988
20070170113
2007-07-26

Insitu Grease/Biosolid Bioremediation Apparatus and Method

#989
20070163959
2007-07-19

Screening apparatus for water treatment with membranes

#990
20070144964
2007-06-28

Mixed liquid separating apparatus

#991
20070144908
2007-06-28

Subsea production system

#992
20070131598
2007-06-14

Methods and apparatuses for filtering water

#993
20070125715
2007-06-07

Flotation separator

#994
20070125708
2007-06-07

Wastewater treatment using spent solvents

#995
20070119764
2007-05-31

Enhanced separation tank with pH control

#996
20070114189
2007-05-24

Oil skimmer and method of operating same

#997
20070102359
2007-05-10

Treating produced waters

#998
20070102351
2007-05-10

WASTE WATER SEPARATOR DEVICE

#999
20070095749
2007-05-03

Refuse/oil removing device and refuse/oil recovery bag

#1000
20070090038
2007-04-26

Contaminated liquid filtration system vehicle

#1001
20070084808
2007-04-19

Mobile water treatment system

#1002
20070084802
2007-04-19

System and method for on-site reclamation, reconditioning, and reapplication of poultry processing water

#1003
20070068874
2007-03-29

Water pollution prevention and remediation method

#1004
20070062881
2007-03-22

Method and apparatus for treating wastewater containing emulsified oil

#1005
20070029247
2007-02-08

Apparatus to separate waste from wastewater

#1006
20070029246
2007-02-08

Adsorbent carbon, water quality purifier, water quality purifying bag, water quality purifying substrate and method of removing oil film

#1007
20070017876
2007-01-25

Microwave-enhanced process to treat marine emulsion wastes

#1008
20070000835
2007-01-04

Wastewater treatment

#1009
20060289359
2006-12-28

Method of clarifying oily waste water

#1010
20060283805
2006-12-21

Advanced separator system

#1011
20060283804
2006-12-21

Combined degassing and flotation tank

#1012
20060283788
2006-12-21

Tri-clone system

#1013
20060273051
2006-12-07

Oil-based sludge separation and treatment system

#1014
20060273046
2006-12-07

Method for treating wastewater

#1015
20060226058
2006-10-12

Apparatus to separate oil and debris from an aqueous fluid

#1016
20060217255
2006-09-28

Method for separating particulate matter from a fluid stream

#1017
20060213840
2006-09-28

Dual-cell mechanical flotation system with intermittent skimming

#1018
20060207947
2006-09-21

Method and apparatus for recycling wash chemicals

#1019
20060180530
2006-08-17

Methods and apparatuses for filtering water

#1020
20060175267
2006-08-10

Methods and systems for removing floating solid waste from the surface of a watercourse

#1021
20060175254
2006-08-10

Systems and methods for treatment of liquid solutions for use with livestock operations

#1022
20060175247
2006-08-10

Skimmer

#1023
20060169650
2006-08-03

Oil separator

#1024
20060169625
2006-08-03

Storm drain capture and containment device

#1025
20060151372
2006-07-13

Multistage filtration systems

#1026
20060148933
2006-07-06

Treatment of aqueous compositions containing contaminants

#1027
20060130883
2006-06-22

Closed-loop containment ash washer assembly and method

#1028
20060107999
2006-05-25

Device for blocking the water outlet of a light liquid separator

#1029
20060096927
2006-05-11

Water pollution prevention and remediation apparatus

#1030
20060091082
2006-05-04

Treatment of brown grease

#1031
20060091080
2006-05-04

Water pollution prevention and remediation apparatus

#1032
20060070959
2006-04-06

Poultry processing water recovery and re-use process

#1033
20060049108
2006-03-09

Reusable sorbing coalescing agent

#1034
20060049095
2006-03-09

Device for separating impurities from liquids

#1035
20060032630
2006-02-16

Water treatment method for heavy oil production

#1036
20060011538
2006-01-19

System and method for bacterial treatment

#1037
20060011348
2006-01-19

Drilling and producing deep water subsea wells

#1038
20060008865
2006-01-12

Screening apparatus for water treatment with membranes

#1039
20060006125
2006-01-12

Oil from water separation system

#1040
20050288512
2005-12-29

Advanced contaminate treatment system

#1041
20050279711
2005-12-22

Methods and systems for dewatering and gasification

#1042
20050279500
2005-12-22

Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation

#1043
20050258089
2005-11-24

Method for removing oil, fat and grease from water

#1044
20050247647
2005-11-10

Separation system for the removal of fat, oil or grease from wastewater

#1045
20050236327
2005-10-27

Wastewater treatment

#1046
20050236311
2005-10-27

Manually controlled skimming of industrial oil contaminants

#1047
20050230326
2005-10-20

Skimmer

#1048
20050230325
2005-10-20

Methods and apparatuses for filtering water

#1049
20050230301
2005-10-20

Fluid filter

#1050
20050224424
2005-10-13

Process for the working-up of waste waters containing aromatic nitro compounds

#1051
20050218081
2005-10-06

Method for cleaning polluted water

#1052
20050211620
2005-09-29

Separator for immiscible liquids

#1053
20050183998
2005-08-25

Protein skimmer

#1054
20050167118
2005-08-04

Tubing annulus valve

#1055
20050145576
2005-07-07

Removal of particulate contamination from operating machinery

#1056
20050133464
2005-06-23

Apparatus and process for taking up particles from a water surface

#1057
20050131085
2005-06-16

Method of purifying Fischer-Tropsch derived water

#1058
20050109682
2005-05-26

Level measurement for grease separators

#1059
20050092671
2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#1060
20050072741
2005-04-07

Method and device for detecting an accumulation of sand in a separator vessel

#1061
20050072739
2005-04-07

Horizontal reaction chamber comprised of nested, concentric tubes for use in water purification

#1062
20050061754
2005-03-24

Waste processing system

#1063
20050045555
2005-03-03

Grease and oil separator ladle

#1064
20050040118
2005-02-24

Apparatus for trapping floating and non-floating particulate matter

#1065
20050039860
2005-02-24

Oil/water separation system

#1066
20050029203
2005-02-10

Manually controlled skimming of industrial oil contaminants

#1067
20050029201
2005-02-10

Grease interceptor (trap) and servicing method

#1068
20050029200
2005-02-10

Method and apparatus for recycling wash chemicals

#1069
20050022989
2005-02-03

Water treatment method for heavy oil production

#1070
20050016934
2005-01-27

Poultry processing water recovery and re-use process

#1071
20050016910
2005-01-27

Waste water filtering and recycling system

#1072
20050016906
2005-01-27

Mobile field electrical supply, water purification system, wash system, water collection, reclamation, and telecommunication apparatus

#1073
19399967
2026-06-02

Alumina-supported polypyrrole modified oxidized graphitic carbon nitride membrane

#1074
19094770
2026-04-28

Process for dissociating, chelating, and dissolving solids, suspended solids, and bacteria, harvesting and liberating oxygen bound to other substances, and preventing dissolved solids from precipitating and reprecipitating in oil separation systems

#1075
19086363
2025-11-25

Scum removal device

#1076
19040780
2025-09-30

Portable swimming pool skimmer

#1077
19001573
2025-06-10

Magnetic response fiber material and its preparation method and application

#1078
18900597
2025-05-06

Systems, methods, apparatuses, and devices for cleaning an open body

#1079
18624414
2025-11-25

Skimmer cover assembly method

#1080
18241387
2024-04-16

Polyethylene-based porous oil sorbent with swellable pockets

#1081
17974458
2025-09-23

Pool water filtration system and related methods

#1082
17862376
2025-09-30

Oil spill clean-up and recovery systems for marine vessels

#1083
17725870
2023-04-18

Stormwater collection, treatment, and aquifer replenishment installations and methods

#1084
17706937
2022-12-13

Fluid waste filtration system with grease and garbage traps

#1085
17578756
2023-10-10

Oil skimmer

#1086
17328390
2022-10-18

Aqueous firefighting foam wastewater management system

#1087
17196020
2022-03-08

Grease trap with safety barrier

#1088
17106687
2022-04-26

Stormwater collection, treatment, and aquifer replenishment installations and methods

#1089
17018043
2022-03-01

Oil skimmer

#1090
17010813
2022-07-12

Oil spill clean-up and recovery systems for marine vessels

#1091
16899200
2022-06-28

Systems, apparatus and methods for collecting debris from a body of water

#1092
16810209
2021-11-16

Adsorbent boom for the containment of contaminant spills

#1093
16374094
2021-01-05

Stormwater collection, treatment, and aquifer replenishment installations and methods

#1094
16227417
2020-08-25

Flow back separation system and method

#1095
16219133
2020-10-13

Oil skimmer

#1096
16109563
2020-07-28

Method and apparatus for collection, treatment, and recycling of oilfield drilling fluids and wastewater

#1097
16021896
2020-01-07

Dissolved air flotation skimmings separation system and method

#1098
15948011
2019-11-12

Hydro-variant baffle cartridge system

#1099
15917981
2020-01-07

Passive grease trap using separator technology

#1100
15881895
2020-04-21

Adsorbent boom for the containment of contaminant spills

#1101
15853274
2020-01-28

Skimming apparatus

#1102
15850374
2019-08-27

Oil-skimming tube with stiffening insert member

#1103
15728198
2020-10-20

Oil spill clean-up and recovery systems for marine vessels

#1104
15709519
2019-05-28

Variable flow immiscible liquid separator for in-ground applications

#1105
15700765
2019-10-29

Pool skimmer opening closure device and method

#1106
15686931
2018-12-18

Stormwater polymer treatment system

#1107
15684486
2020-03-17

Filtration gels and related processes

#1108
15658864
2019-08-20

Restrictive up flow media filter with servicing system

#1109
15587690
2020-03-31

Float member of variable density for separation of fluid

#1110
15238885
2018-07-31

Immiscible liquid separator for marine vessels

#1111
15079616
2018-04-03

Passive grease trap using separator technology

#1112
15010274
2017-12-26

Skimming apparatus

#1113
14973081
2019-02-12

Oil skimmer

#1114
14965355
2019-02-12

Method and apparatus for treating production water

#1115
14957779
2017-09-26

Indoor grease trap with multiple plumber fitting possibilities

#1116
14952014
2018-01-16

Oil-skimming tube with stiffening insert member

#1117
14799202
2016-07-12

Strainer and strainer control system

#1118
14645652
2017-05-09

Method and apparatus for mechanical recovery of hydrocarbons in broken ocean ice conditions

#1119
14613619
2018-02-06

Highly retentive automatically skimmable tank

#1120
14575523
2017-01-03

Variable flow skimmer and shelf system

#1121
14545681
2017-09-05

Treatment of produced water from unconventional hydrocarbons exploration

#1122
14162858
2015-03-24

Method and apparatus for separating immiscible liquids and solids from liquids

#1123
13766927
2018-02-06

Device and method for trapping non-aqueous-phase liquids prior to a permeable reactive barrier for the treatment of contaminated groundwater

#1124
13208859
2014-09-16

Smart water discharge monitoring system

#1125
13208852
2015-08-04

Method and apparatus for separation of fluids within a single vessel

#1126
13107358
2016-03-29

Oil spill recovery apparatus and method