ClassID:

86339

C02F3/107 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Packings; Fillings; Grids; Characterized by the chemical composition Inorganic materials, e.g. sand, silicates

Recent Application in this class:
#1
20250187958
2025-06-12

SOLID BACTERIAL GROWTH SUPPORT FOR WASTEWATER TREATMENT, METHODS AND USES THEREOF

#2
20250154040
2025-05-15

COMPOSITIONS, SYSTEMS, AND METHODS FOR PROCESSING RECIRCULATING AQUACULTURE WATER

#3
20250083981
2025-03-13

Fluid Drainage System With Sand-Mimicking Fluid Retentive Wrapping

#4
20250073672
2025-03-06

POLYETHYLENEIMINE MODIFIED GRAPHENE OXIDES AND METHODS FOR MAKING AND USING SAME

#5
20250042793
2025-02-06

MANGANESE CARBONATE-SUPPORTED FERRIHYDRITE MATERIAL, AND PREPARATION AND USE THEREOF

#6
20240417297
2024-12-19

Apparatus and Method for Biofilm Management

#7
20240383787
2024-11-21

SYSTEMS AND METHODS FOR TREATING STORMWATER WITH ANAMMOX BACTERIA

#8
20240382936
2024-11-21

Bioremediation System and Components

#9
20240336506
2024-10-10

AROMATIC POLYESTER-DEGRADING BACTERIA

#10
20240092664
2024-03-21

STRAIGHT-LINE SEWAGE TREATMENT SYSTEM FOR ENHANCED TREATMENT OF LOW C/N DOMESTIC SEWAGE

#11
20230382773
2023-11-30

Apparatus and method for biofilm management

#12
20230373828
2023-11-23

SURFACE WATER MITIGATION STRUCTURE

#13
20230287321
2023-09-14

SYSTEMS, METHODS, AND APPARATUS FOR INCREASING BIOREACTOR CAPACITY USING SILICA POLYMERS

#14
20230048349
2023-02-16

RECIRCULATING AQUACULTURE SYSTEM AND METHODS THEREOF

#15
20220372720
2022-11-24

ULTRA-LIGHTWEIGHT FOAMED GLASS AGGREGATES FOR RESILIENCY PLANNING PROJECTS

#16
20220362710
2022-11-17

Rotating Spray Device for Water Distribution on Media Bed of a Biofilter

#17
20220267180
2022-08-25

SOLID BACTERIAL GROWTH SUPPORT FOR WASTEWATER TREATMENT, METHODS AND USES THEREOF

#18
20220162099
2022-05-26

Wastewater treatment device and wastewater treatment method

#19
20210403352
2021-12-30

Biofilm carriers for use in wastewater treatment

#20
20210284555
2021-09-16

Pretreatment of produced water to facilitate improved metal extraction

#21
20210206675
2021-07-08

Surface water mitigation structure

#22
20210171373
2021-06-10

Microorganism immobilized carrier

#23
20210147268
2021-05-20

Method for enhancing biochemical water treatment by powder carrier

#24
20210114907
2021-04-22

Bio-clays composites for aldehyde remediation

#25
20210108189
2021-04-15

PROCESSES FOR PREPARING SILICA-CARBON ALLOTROPE COMPOSITE MATERIALS AND USING SAME

#26
20210061689
2021-03-04

Method of operating an upflow backwash filter

#27
20200216343
2020-07-09

Wastewater treatment device and wastewater treatment method

#28
20200189946
2020-06-18

Effective Treatment of Food Waste and its Wastewater Using a Durable Biocarrier with High Microbial Loading

#29
20200189945
2020-06-18

Apparatus for the bio-remediation of a waste water composition

#30
20200109073
2020-04-09

Apparatus and method for removing nitrogen and phosphorus from sewage by using sponge iron and activated sludge

#31
20190316070
2019-10-17

SYSTEMS, METHODS, AND APPARATUS FOR INCREASING BIOREACTOR CAPACITY USING SILICA POLYMERS

#32
20190284071
2019-09-19

Efficient bio-inorganic system for treatment of sulphidic wastewater streams containing other contaminants

#33
20190210901
2019-07-11

Surface water mitigation structure

#34
20190144316
2019-05-16

Non-dissolved redox mediator biofilm carrier and its preparation method

#35
20190106341
2019-04-11

Multi-zone process and apparatus for treating wastewater

#36
20190092662
2019-03-28

Wastewater treatment device and wastewater treatment method

#37
20190076817
2019-03-14

METHOD AND APPARATUS USING FOAMED GLASS FILTERS FOR LIQUID PURIFICATION, FILTRATION, AND FILTRATE REMOVAL AND ELIMINATION

#38
20190010068
2019-01-10

Pretreatment of produced water to facilitate improved metal extraction

#39
20180362375
2018-12-20

Implementation method for eliminating harmful algal blooms through optimized utilization of modified clays

#40
20180141843
2018-05-24

Fast biofilm formation method for organic filler during treatment of sewage with low C/N ratio

#41
20180099885
2018-04-12

Apparatus for sewage deep bed denitrification with high pollutant carrying capacity and low energy consumption, and method for running the same

#42
20180065875
2018-03-08

Anaerobic Reactor for Wastewater Treatment

#43
20180021722
2018-01-25

Rotating spray device for water distribution on media bed of a biofilter

#44
20170332567
2017-11-23

Aerobic, bioremediation treatment system comprising floating inert media in an aqueous environment

#45
20170274431
2017-09-28

Mine drainage remediation using barium carbonate dispersed alkaline substrate

#46
20170240446
2017-08-24

Process for operating an upflow continuous backwash filter

#47
20170096657
2017-04-06

PROCESSES FOR PREPARING SILICA-CARBON ALLOTROPE COMPOSITE MATERIALS AND USING SAME

#48
20170015576
2017-01-19

Process and facility for treating ammonium-containing wastewater

#49
20160115055
2016-04-28

Water treatment system

#50
20150239762
2015-08-27

Method of reducing residual recalcitrant organic pollutants

#51
20150122731
2015-05-07

Bioremediation reactor system and method

#52
20150090659
2015-04-02

Upflow continuous backwash filter

#53
20150041393
2015-02-12

METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER

#54
20140291239
2014-10-02

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

#55
20140147509
2014-05-29

Microorganism comprising particles and uses of same

#56
20140138310
2014-05-22

Device and method for sewage treatment using variable magnetic field

#57
20140124424
2014-05-08

Integrated system for treating and recycling rainwater

#58
20130264283
2013-10-10

Anaerobic reactor for wastewater treatment

#59
20130032532
2013-02-07

Water treatment method and method for producing ultrapure water

#60
20130020258
2013-01-24

System for advanced wash water recycling

#61
20120285884
2012-11-15

Calcium Oxide Cement Kiln Dust for Granulation of Palm Oil Mill Effluent

#62
20120067797
2012-03-22

Bioreactor system for aquarium and septic tank

#63
20110229930
2011-09-22

Microorganism comprising particles and uses of same

#64
20110132822
2011-06-09

Floating bioreactor system

#65
20110127215
2011-06-02

Method and apparatus for the bio-remediation of aqueous waste compositions

#66
20110006000
2011-01-13

Biofilm remediation of metal containing wastewater

#67
20100319913
2010-12-23

Biofilm remediation of fracture fluid

#68
20100133157
2010-06-03

Water treatment apparatus adaptible to natural water environment

#69
15953605
2020-08-18

Wastewater treatment processes