B01D21/0069 - CPC Classification Index

ClassID:

28764 ⎘

B01D21/0069 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Settling tanks provided with contact surfaces, e.g. baffles, particles Making of contact surfaces, structural details, materials therefor

Sub-classes:

B01D21/0072 » {Means for adjusting, moving or controlling the position or inclination of the contact surfaces e.g. for optimising the particle-liquid separation, for removing the settled particles, for preventing fouling} 13
B01D21/0075 » {Contact surfaces having surface features} 23

Recent Application in this class:

20260102718

2026-04-16

PLATE MODULE OF AN INCLINED PLATE SETTLER

20250387734

2025-12-25

UV Mesh Cover for Clarifiers and Systems Thereof

20250296017

2025-09-25

SEPARATOR FOR SEPARATING SOLIDS FROM A FLUID

20240009596

2024-01-11

PLATE ASSEMBLY AND METHOD OF MANUFACTURING FOR USE IN WATER TREATMENT

20230249103

2023-08-10

Settler with a settler plate that includes a hollow support

20230166994

2023-06-01

Systems, devices and methods for anaerobically treating wastewater

20220212126

2022-07-07

Plate assembly and method of manufacturing for use in water treatment

20220152530

2022-05-19

Profiled strip and method of forming a separating assembly

20220134259

2022-05-05

COALESCING MEDIA FOR HYDRONIC AIR AND SEDIMENT SEPARATION DEVICE

#10

20220112705

2022-04-14

Trash collecting underground stormwater management system

#11

20210322899

2021-10-21

Settler with a settler plate that includes a hollow support

#12

20200368643

2020-11-26

Tray unit for a wastewater treatment device and a method of assembling a tray assembly for a wastewater treatment device

#13

20200316568

2020-10-08

Manganese oxide-lanthanum manganate-PGM composites for TWC applications

#14

20200254364

2020-08-13

Settler with a settler plate that includes a hollow support

#15

20200108333

2020-04-09

Separator for separating solids from a fluid

#16

20190291052

2019-09-26

BACTERIA MICROTRAPS

#17

20190022561

2019-01-24

Inclined sedimentation acceleration apparatus

#18

20180280836

2018-10-04

System for biological aerobic activated sludge process with hydrodynamic solid separation

#19

20180251689

2018-09-06

Apparatus and methods to remove solids from hydrocarbon streams

#20

20170319987

2017-11-09

METHOD AND APPARATUS FOR SEPARATING SOLID IMPURITIES FROM A FLUID

#21

20170260071

2017-09-14

Systems for petroleum wastewater treatment including removable coalescer components and related methods

#22

20160008746

2016-01-14

Vibrating inclined plate box settlement separator

#23

20150328566

2015-11-19

Inertial filter

#24

20150108073

2015-04-23

Method and apparatus for separating solid impurities from a fluid

#25

20150048030

2015-02-19

Compact water treatment device

#26

20150001145

2015-01-01

Bio-filter for waste water digestion

#27

20140083921

2014-03-27

Mobile fluid treatment system and associated apparatus

#28

20140069859

2014-03-13

Multistage composite fluid separator and filter

#29

20130186809

2013-07-25

CLARIFIER AND LAUNDER SYSTEMS

#30

20130037494

2013-02-14

Method and apparatus for separating solid impurities from a fluid

#31

20130015123

2013-01-17

Baffle chamber draining valve

#32

20120312741

2012-12-13

Plate settler

#33

20120312740

2012-12-13

Apparatus and method for removing impurities from water of wastewater

#34

20120175318

2012-07-12

Removal device for micro-bubbles and dirt

#35

20110233127

2011-09-29

Profiled strip and separating assembly formed therefrom

#36

20110127205

2011-06-02

SEDIMENTATION BASIN FOR SEWAGE TREATMENT PLANTS

#37

20100243585

2010-09-30

Plate settler with angular support members

#38

20090294370

2009-12-03

System for filtering water or wastewater

#39

20090294352

2009-12-03

Integrated perforated flocculating baffle system

#40

20080314823

2008-12-25

EXTRUDED LAMELLA SEPARATOR PANEL MODULES

#41

20070246431

2007-10-25

Method for concentrating solids from drilling slurry

#42

20070017863

2007-01-25

Separation passageway module, separation unit, and separation boat for suspension separation

#43

20060006126

2006-01-12

Conveyor apparatus

#44

20050194322

2005-09-08

Apparatus and system for concentrating slurry solids

#45

20050109707

2005-05-26

Apparatus for treating storm water

#46

16843457

2022-03-01

Plate assembly and method of manufacturing for use in water treatment