ClassID:

86432

C02F11/00 - CPC Classification

Classification description:

Treatment of sludge; Devices therefor

Sub-classes:
Recent Application in this class:
#1
20250368919
2025-12-04

A NOVEL PROCESS FOR REFINING A FEEDSTOCK

#2
20250122105
2025-04-17

METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF CARBONATION AND DECARBONATION IN A CHEMICAL INSTALLATION FOR NITRIDATION IN A MOLTEN SALT BATH

#3
20240399185
2024-12-05

FORMULATION AND METHOD FOR CONTROLLING BIOREFINERY WASTE HAZARDS

#4
20240383790
2024-11-21

Method for Regulating the Addition of a Flocculant to a Sludge

#5
20240083798
2024-03-14

Method for deodorizing sludge with metal salt and tannin extract together, deodorized sludge, and use thereof

#6
20220402796
2022-12-22

Crude oil sludge treatment agent, crude oil sludge treatment method and crude oil sludge treatment agent kit

#7
20220361533
2022-11-17

Pulsed electric field chamber

#8
20220136082
2022-05-05

TUNGSTEN RECOVERY METHOD

#9
20220112113
2022-04-14

METHOD AND DEVICE FOR IMPROVING SLUDGE BIODEGRADABILITY

#10
20220055929
2022-02-24

Sewage treatment apparatus suitable for multi-household domestic sewage treatment

#11
20210205862
2021-07-08

Method of removing sludge from a drain pipe

#12
20210163351
2021-06-03

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

#13
20210009455
2021-01-14

Organic sludge treatment device and treatment method

#14
20200384385
2020-12-10

Composite loop chain

#15
20190218123
2019-07-18

Pressostatic odor control cover for slurry treatment tank with device for reducing the inner volume occupied by harmful and malodorous gases

#16
20190217307
2019-07-18

Cell wall or cell membrane disrupting device, and method of using the same

#17
20180354840
2018-12-13

Method for immobilizing arsenic, and arsenic-containing vitrified waste

#18
20180340007
2018-11-29

Method for the preparation of biopolymers

#19
20180297846
2018-10-18

Production of phosphate compounds from materials containing phosphorus and at least one of iron and aluminium

#20
20180154285
2018-06-07

Systems for emptying pit latrines and septic tanks

#21
20180116256
2018-05-03

Chamber for pulsed electric field generation

#22
20180050302
2018-02-22

Cement solidification device for waste and method therefor, and zero-liquid discharge air pollution control system and method therefor

#23
20180022627
2018-01-25

Apparatus for lifting liquid in a body of liquid

#24
20180002209
2018-01-04

Ecological remediation method for controlling sulphur pollution inBlack and odorous sludge of rivers

#25
20170362109
2017-12-21

METHOD FOR TREATING WASTEWATER, AND ACTIVATOR FOR TREATING WASTEWATER

#26
20170327398
2017-11-16

Methane fermentation system

#27
20170297067
2017-10-19

Waste Stream Recovery Conversion Technologies

#28
20170217810
2017-08-03

Methane fermentation method

#29
20170121204
2017-05-04

SEWAGE TREATMENT MONITORING SYSTEM

#30
20170084965
2017-03-23

Manufacturing method of high purity lithium phosphate from the waste liquid of the exhausted lithium-ion battery

#31
20170022081
2017-01-26

Process for treatment of sewage sludge

#32
20160316712
2016-11-03

LIVESTOCK PRODUCTION FACILITY

#33
20160271526
2016-09-22

Hose-less sludge removal apparatus with flow balancing diagonals

#34
20160244350
2016-08-25

Nozzled confined container for treating sludge

#35
20160185627
2016-06-30

System and method for treating contaminated wastewater

#36
20160137527
2016-05-19

Apparatus for removing material from a body of liquid

#37
20160115062
2016-04-28

Mobile wastewater treatment system

#38
20160060113
2016-03-03

Production of phosphate compounds from materials containing phosphorus and at least one of iron and aluminium

#39
20160050880
2016-02-25

MINK SLURRY HANDLING SYSTEM AND A METHOD FOR REDUCING GASEOUS EMISSION FROM A MINK FARM

#40
20160039699
2016-02-11

Apparatus for removing material from a body of liquid

#41
20150368127
2015-12-24

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

#42
20150251110
2015-09-10

Apparatus for clarifying a sludge-containing effluent

#43
20150175451
2015-06-25

Systems for waste oil recovery

#44
20150092511
2015-04-02

SHEAR-THINNING OF SLURRIES

#45
20150034548
2015-02-05

System for treating water and/or wastewater having a plurality of laterals that can be readily cleaned without damaging or sacrificing the laterals

#46
20140341778
2014-11-20

System and process for the disinfection of sludge or solids

#47
20140224730
2014-08-14

Wastewater treatment process including irradiation of primary solids

#48
20140224719
2014-08-14

Wastewater treatment system including irradiation of primary solids

#49
20140202956
2014-07-24

Pre-treatment of sludge

#50
20140042107
2014-02-13

Nozzled Confined Container for Treating Sludge

#51
20130256236
2013-10-03

Purifying device for sludge under water and method for operating the same

#52
20130200301
2013-08-08

MIXTURE FOR REDUCING THE FORMATION OF MAGNESIUM AMMONIUM PHOSPHATE (STRUVITE) IN CLARIFICATION PLANTS

#53
20130126439
2013-05-23

SYSTEM AND METHOD OF SEPARATING PRODUCT FROM SLUDGE IN STORAGE TANKS

#54
20130004907
2013-01-03

Method for recovering phosphorus-containing alternative fuels in cement production

#55
20120308349
2012-12-06

Sewage silo with centripetal action discharge arm

#56
20120051964
2012-03-01

Deodorant for treating sediment in-situ and the associated facilities and method

#57
20110238600
2011-09-29

ORGANIC WASTE DECOMPOSITION EXCHANGE SYSTEM

#58
20110203984
2011-08-25

Apparatus for deodorizing sewage treatment plant sludge by using native microorganisms

#59
20110123876
2011-05-26

Production of a biofilm on an electrode for a biocell, electrode and biocell obtained

#60
20110089109
2011-04-21

Method for treatment of sludge

#61
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#62
20100288709
2010-11-18

PROCESS AND APPARATUS FOR IMPROVING THE DISINTEGRATION OF THIXOTROPIC SUSPENSIONS BY MEANS OF ULTRASOUND

#63
20090188847
2009-07-30

Ventilation system of sludge receiving facility

#64
20090114603
2009-05-07

Wastewater treatment vessel

#65
20080314842
2008-12-25

Method of treating raw sewage slurry

#66
20080272063
2008-11-06

Ex Situ and in Situ Remediation with Activated Persulfate

#67
20080257001
2008-10-23

Treatment of sewage sludges

#68
20080078852
2008-04-03

Device for tuning and translating a pasty or granular material

#69
20080053907
2008-03-06

Offshore Wastewater Treatment

#70
20070241060
2007-10-18

Hydrodynamic Homogenization

#71
20070068876
2007-03-29

Sludge treatment method

#72
20070056902
2007-03-15

Process for treating septage to extract a bio-fuel

#73
20070000835
2007-01-04

Wastewater treatment

#74
20060261013
2006-11-23

Apparatus and method for the non-chemical stabilization of bio-solids

#75
20060256645
2006-11-16

Treatment of particle-bearing liquid

#76
20060243674
2006-11-02

Treatment of sewage sludge

#77
20060163155
2006-07-27

Method and facility for treatment of sludge derive from biological water purification facilities

#78
20060144797
2006-07-06

Processes for the treatment of a waste material having a high ph and/or alkalinity

#79
20060096931
2006-05-11

Fluid processing apparatus

#80
20060053684
2006-03-16

Fuel source and method of forming same from blending wastewater contaminants with biomass leftovers while cleansing wastewater

#81
20060029521
2006-02-09

Landfarming simulation testing apparatus and method

#82
20050279706
2005-12-22

Sludge treatment process

#83
20050258105
2005-11-24

Sludge treatment method

#84
20050236327
2005-10-27

Wastewater treatment

#85
20050175516
2005-08-11

Sewage sludge treatment

#86
20050145575
2005-07-07

Sludge treatment apparatus

#87
20050145569
2005-07-07

Method for treatment of sludge from waterworks and wastewater treatment plants

#88
20050133445
2005-06-23

Process for reducing sludge derived from the treatment of wastewater by oxygenation and mechanical action

#89
20050121397
2005-06-09

Fractional deionization process

#90
20050006312
2005-01-13

Device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input

#91
18824560
2025-02-25

Kitchen waste wastewater treatment equipment

#92
16054318
2020-12-15

Cavitation apparatus, configured to perform multiple simultaneous cavitations

#93
14622590
2017-10-24

Bow pump and reactor for wastewater treatment