ClassID:

28750

B01D21/0027 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Floating sedimentation devices

Recent Application in this class:
#1
20250263310
2025-08-21

TREATING PER- AND POLY-FLUOROALKYL SUBSTANCES IN LANDFILL LEACHATE

#2
20250250247
2025-08-07

DIHYDROMYRICETIN EXTRACTION AND PURIFICATION PROCESS

#3
20250177891
2025-06-05

Stormwater Skimmer Surface Drain Apparatus

#4
20230139452
2023-05-04

PARTIALLY SUBMERGED FOAM FRACTIONATION SYSTEM

#5
20230127819
2023-04-27

Treating per- and poly-fluoroalkyl substances in landfill leachate

#6
20220356079
2022-11-10

SYSTEMS AND PROCESSES FOR INJECTING GAS-INFUSED ADDITIVES

#7
20220268009
2022-08-25

Stormwater skimmer surface drain apparatus

#8
20220234913
2022-07-28

Modular installation for treating water by flotation

#9
20220065397
2022-03-03

Integrated system for online detection and automatic removal of water and particulate contaminants from turbine oil

#10
20220041449
2022-02-10

Pure iron containing compound

#11
20210402329
2021-12-30

Liquid processing apparatus and liquid processing method

#12
20210362075
2021-11-25

Methods and systems for enhanced dissolved gas floatation

#13
20210252522
2021-08-19

INSTALLATION FOR EXTRACTING HEAT AND/OR FOR PROCESSING PROCESS LIQUID

#14
20210163326
2021-06-03

Intelligent oil sludge treatment apparatuses and treatment processes

#15
20200154730
2020-05-21

High-Efficiency Processes for Protein and Oil Recovery from Thin Stillage

#16
20200095135
2020-03-26

Scum filtration system

#17
20200002208
2020-01-02

System and method to remove micro plastic material from water environments

#18
20190118117
2019-04-25

FLOATING WEIR

#19
20170355623
2017-12-14

Acoustophoretic method for use in bioreactors

#20
20160184794
2016-06-30

Apparatus for manufacturing potassium compound and method of recovering potassium compound from brine

#21
20160023131
2016-01-28

METHOD AND APPARATUS FOR REMOVAL OF SURFACE SCUM

#22
20160009571
2016-01-14

Micro-bubble induced gas flotation cell and method of operating same

#23
20150129480
2015-05-14

System for removal of contaminants in water

#24
20140158603
2014-06-12

Open water oil skimmer

#25
20140158591
2014-06-12

Aqua-robotic pollutant removing systems and devices, and methods of removing pollutants from bodies of water

#26
20130319949
2013-12-05

FLOATED SOLIDS SEPARATION

#27
20130043185
2013-02-21

Whirlpool skimmer

#28
20120055882
2012-03-08

Apparatus and method for collecting solid microparticles floating in water

#29
20120055856
2012-03-08

AQUA-ROBOTIC POLLUTANT REMOVING SYSTEMS AND DEVICES, AND METHODS OF REMOVING POLLUTANTS FROM BODIES OF WATER

#30
20120012535
2012-01-19

OIL SKIMMER CONVEYOR

#31
20110303616
2011-12-15

OIL RECOVERY SYSTEM AND METHOD

#32
20110297597
2011-12-08

WATER VESSEL PROPELLED OIL SPILL RECOVERY SYSTEM AND ASSEMBLY

#33
20110290737
2011-12-01

Self contained dissolved air flotation system

#34
20100314302
2010-12-16

Self contained dissolved air flotation system

#35
20100300990
2010-12-02

Flotation apparatus with apertured plate

#36
20100230338
2010-09-16

Floating skimmer and filter apparatus

#37
20100078370
2010-04-01

Floating baffle panel and filter apparatus

#38
20100032363
2010-02-11

Floating skimmer apparatus with up-flow filter

#39
20090159512
2009-06-25

Method and Apparatus for Separating Submerged Particles From a Fluid

#40
20090145834
2009-06-11

Apparatus for removing buoyant pollutants

#41
20090145824
2009-06-11

Apparatus for removing buoyant pollutants from polluted coolant

#42
20090026131
2009-01-29

Method and apparatus for collecting and/or removing sludge

#43
20070227986
2007-10-04

Device for collecting clarified water for a basin and corresponding basin

#44
20070090025
2007-04-26

Bitumen recovery process for oil sand

#45
20070000840
2007-01-04

Self contained dissolved air flotation system

#46
20060283814
2006-12-21

Gravitational separator and apparatus for separating floating particulate and volatile liquids from a stormwater stream adaptable for inline usage

#47
20060175267
2006-08-10

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

#48
20060102532
2006-05-18

Water surface cleaning machine

#49
20060054548
2006-03-16

Air activated decanter

#50
20050189304
2005-09-01

Decanter mooring systems and methods

#51
20050133464
2005-06-23

Apparatus and process for taking up particles from a water surface

#52
20050098497
2005-05-12

Pulsating reactors

#53
20050087502
2005-04-28

Method of and apparatus for cleaning runoff water

#54
20050077219
2005-04-14

Process and device for the treatment of effluents produced during wine manufacture

#55
20050040118
2005-02-24

Apparatus for trapping floating and non-floating particulate matter