ClassID:

86331

C02F3/087 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes using moving contact bodies; Fluidized beds Floating beds with contact bodies having a lower density than water

Recent Application in this class:
#1
20240101454
2024-03-28

Aerated Biological Filtration Process for Water Treatment with a View to Reducing the Nitrogen Content (NGL) of Said Water with Reduction of Carbon-Source and Aeration Requirements

#2
20230391637
2023-12-07

VACUUM AIR LIFT SYSTEMS INCLUDING A FLUIDIC OSCILLATOR

#3
20230348304
2023-11-02

BIOFILM CARRIER FOR MOVING BED BIOFILM REACTORS

#4
20220396508
2022-12-15

System and Process for Removing Ammonium from a Wastewater Stream

#5
20220024782
2022-01-27

Vacuum air lift systems including a fluidic oscillator

#6
20210253459
2021-08-19

Effluent Filtering System and Related Method

#7
20210214252
2021-07-15

AERATION SYSTEMS AND KITS FOR AERATION SYSTEMS AND METHODS FOR MAKING AND USING THE SAME

#8
20200239342
2020-07-30

Microorganism based recirculating aquaculture system

#9
20200207642
2020-07-02

Vacuum air lift systems including a photobioreactor

#10
20190077679
2019-03-14

Vacuum air lift systems including a fluidized bed reactor

#11
20180050942
2018-02-22

A LAKE RESERVOIR WATER ENVIRONMENT POLLUTION RESTORATION SYSTEM

#12
20180029902
2018-02-01

Vacuum air lift systems and methods

#13
20170210655
2017-07-27

Method for the biological treatment of sulphate containing waste water, via reduction of sulphate to sulphide then its oxidation to elemental sulphur

#14
20170043282
2017-02-16

Embedded influent diffuser for floating media filter

#15
20160304377
2016-10-20

EXPEDITIONARY WASTEWATER RECYCLING SYSTEM

#16
20160251233
2016-09-01

Mechanical-biological filter

#17
20160075578
2016-03-17

Biofiltration with enhanced sludge handling

#18
20150136667
2015-05-21

Biofiltration with enhanced sludge handling

#19
20150083166
2015-03-26

Accumulated residue removal from carriers used in a water treatment system

#20
20140077397
2014-03-20

Methods for improving liquid quality in a reservoir

#21
20130247832
2013-09-26

Recirculating aquaculture systems and biofilters therefor

#22
20130140230
2013-06-06

Systems and methods for converting gaseous byproducts of wastewater treatment into energy

#23
20130134091
2013-05-30

Portable biofilter and degasser

#24
20110297596
2011-12-08

Apparatus merging wetland plants with a floating substrate to treat pollution in any river, lake or body of water

#25
20110266202
2011-11-03

Wastewater treatment apparatus with two-stage multimedia biological filtration process

#26
20110253625
2011-10-20

Method and device for removing biological nitrogen and support therefor

#27
20110180473
2011-07-28

Integrated biological wastewater treatment and clarification

#28
20110180467
2011-07-28

Submerged biofiltration purifying apparatus

#29
20110084020
2011-04-14

Systems and methods for converting gaseous byproducts of wastewater treatment into energy

#30
20100018919
2010-01-28

SYSTEM FOR TREATING RECIRCULATION NUTRIENT USING FLOATING MEDIA

#31
20100012580
2010-01-21

Systems and methods for wastewater treatment

#32
20090211972
2009-08-27

Method and apparatus for simultaneous clarification and endogenous post denitifrication

#33
20070264704
2007-11-15

Bio-filter with low density media and toroidal media stirring configuration

#34
20070205152
2007-09-06

Process for biological purification of waste water with simultaneous decomposition of organic and nitrogen-containing compounds

#35
20070163954
2007-07-19

Waste water treatment plant and method

#36
20070056903
2007-03-15

Filtration system

#37
20050178725
2005-08-18

Apparatus and method for controlling biomass growth in suspended carrier bioreactor

#38
16871880
2022-01-11

Aquaponic nutrient generation module