ClassID:

28934

B01D25/12 - CPC Classification

Classification description:

Filters formed by clamping together several filtering elements or parts of such elements Filter presses, i.e. of the plate or plate and frame type

Sub-classes:
Recent Application in this class:
#1
20260133135
2026-05-14

Device for the optical imaging of filtering septa and filtration apparatus equipped with it

#2
20260097968
2026-04-09

HIGH-EFFICIENCY SHORT-PROCESS PRODUCTION METHOD AND PRODUCTION SYSTEM FOR CARBONIZED SILICA

#3
20260070801
2026-03-12

RECOVERY SYSTEM FOR PREPARING MAGNESIUM SULFATE FROM SULFURIC ACID WASTE SOLUTION AND METHOD THEREOF

#4
20250319427
2025-10-16

DISCHARGE ARRANGEMENT AND METHOD FOR HORIZONTAL FILTRATION EQUIPMENT AND HORIZONTAL FILTRATION EQUIPMENT

#5
20250194632
2025-06-19

METHOD FOR PRODUCING HIGH-PURITY RICE PROTEIN POWDER AND RICE SYRUP

#6
20250179459
2025-06-05

FILTER AID, METHOD OF FILTRATION TREATMENT, AND METHOD OF MANUFACTURING CELLULASE

#7
20250171701
2025-05-29

METHOD FOR UPGRADING COAL SLIME THROUGH SYNERGISTIC DEHYDRATION

#8
20250151759
2025-05-15

METHOD AND SYSTEM FOR PRODUCING A PROTEIN AND FIBER FEED PRODUCT FROM A WHOLE STILLAGE BYPRODUCT PRODUCED IN A CORN DRY MILLING PROCESS

#9
20250114724
2025-04-10

SYSTEM FOR PURIFICATION OF BIOACTIVE PROTEINS, AND RELATED METHODS

#10
20250066685
2025-02-27

PROCESS FOR SEPARATING PLANT OIL FROM ONE OR MORE BIOREFINERY PROCESS COMPOSITIONS, AND RELATED COMPOSITIONS AND SYSTEMS

#11
20250059625
2025-02-20

METHOD FOR EXTRACTING LITHIUM FROM CLAY AND OTHER MATERIALS IN A CHLORIDE SOLUTION USING INDIVIDUALIZED PRETREATMENTS

#12
20240252958
2024-08-01

FILTER PLATE HANDLE AND FILTER PLATE FOR FILTER PRESS

#13
20240198261
2024-06-20

FILTER MESH

#14
20230212219
2023-07-06

PROCESS FOR ISOLATING SOLUBLE FUNCTIONAL PROTEINS FROM PLANT MATERIAL

#15
20220361525
2022-11-17

Method and system for producing a protein and fiber feed product from a whole stillage byproduct produced in a corn dry milling process

#16
20220324896
2022-10-13

Method for separation and purification of n-acetylglucosamine

#17
20220274146
2022-09-01

Methods and systems for processing dredge spoils

#18
20220184536
2022-06-16

Processing of red mud in bauxite refining

#19
20220080357
2022-03-17

Method and system for refining long chain dicarboxylic acid

#20
20220062798
2022-03-03

FILTER ASSEMBLY WITH LATERAL REMOVAL OF TIE RODS, AND ASSOCIATED METHOD

#21
20220009866
2022-01-13

SYSTEMS AND METHODS FOR EXTRACTING AND ISOLATING BIO-OILS AND POWDERS FROM BIOMASS USING HYDRAULIC HAMMERING

#22
20210381078
2021-12-09

Multi-stage reaction and separation systems of a CO2-based hydrometallurgical process

#23
20210354058
2021-11-18

High-efficiency filter press

#24
20210252432
2021-08-19

FILTER PLATE ASSEMBLY FOR FILTER

#25
20210220760
2021-07-22

System and method for servicing filter plates and apparatus thereof

#26
20210146308
2021-05-20

Process for the purification of complex biocompositions

#27
20210129048
2021-05-06

Manual filter press with displaceable follower stop

#28
20200338499
2020-10-29

Permeate channel alterations for counter current filtration for use in cross-flow filtration modules useful in osmotic systems

#29
20200269170
2020-08-27

Dynamic separation and filtration

#30
20200239348
2020-07-30

Methods and systems for processing dredge spoils

#31
20200229995
2020-07-23

METHODS AND SYSTEMS FOR FORMING MOISTURE ABSORBING PRODUCTS FROM A MICROCROP

#32
20200207638
2020-07-02

STAGED FILTRATION FEED SYSTEM

#33
20200155977
2020-05-21

Press assembly for plant-based milk

#34
20200095150
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#35
20200095149
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#36
20190315791
2019-10-17

Method for purifying allulose conversion reaction product

#37
20190284648
2019-09-19

Method for recovering sugar solution prepared by saccharification of biomass

#38
20190168175
2019-06-06

Solids-Producing Siphoning Exchanger

#39
20190143247
2019-05-16

FILTER FOR EXTRUDER PRESS

#40
20190099699
2019-04-04

Filter plate assembly for filter

#41
20190076764
2019-03-14

Filter element

#42
20190070539
2019-03-07

Filter element

#43
20190063027
2019-02-28

Mobile microalgae harvesting

#44
20190062691
2019-02-28

Filter device for capturing target cell and target cell collecting method using the same

#45
20180318731
2018-11-08

Plate for a filter press, filter press, use of the filter press and method for cleaning the filter press

#46
20180133625
2018-05-17

SOLID/FLUID SEPARATION DEVICE AND METHOD

#47
20170319988
2017-11-09

Removal of Suspended Solids from Waste Water

#48
20170312658
2017-11-02

Filter for extruder press

#49
20170282098
2017-10-05

Method for manufacturing a recess plate

#50
20170275181
2017-09-28

MOBILE WATER RECYCLING RECOVERY SYSTEM AND METHODS

#51
20170259197
2017-09-14

Dynamic separation and filtration

#52
20170081269
2017-03-23

Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus

#53
20170066671
2017-03-09

Method and system for treatment of agricultural and industrial wastewaters containing solids and nutrients

#54
20160361211
2016-12-15

Methods and systems for forming moisture absorbing products from a microcrop

#55
20160244349
2016-08-25

Production of ultra-high-density brines

#56
20160137521
2016-05-19

METHOD AND SYSTEM FOR EXTRACTING RED-MUD LUMPS FROM SLURRY

#57
20160121241
2016-05-05

LARGE-SIZED FILTER PLATE

#58
20160114266
2016-04-28

Large-sized plate pressure filter

#59
20160107105
2016-04-21

DEWATERING OF DRILLING MUD USING A FILTER PRESS

#60
20160002799
2016-01-07

Method and apparatus for separation of aluminum from aluminum-containing source materials

#61
20150360149
2015-12-17

Method for air drying a filter cake and filter plate

#62
20150353404
2015-12-10

Methods and systems for processing dredge spoils

#63
20150336032
2015-11-26

Filter plate assembly for filter

#64
20150336031
2015-11-26

SOLID/FLUID SEPARATION DEVICE AND METHOD

#65
20150316474
2015-11-05

Turbidity sensing filter apparatus, systems, and methods thereof

#66
20150265947
2015-09-24

Filter device and method for operating a filter device

#67
20150209731
2015-07-30

Permeate channel alterations for counter current filtration for use in cross-flow filtration modules useful in osmotic systems

#68
20150144576
2015-05-28

Mechanical filtering process for dehydrating muds and filter press implementing said process

#69
20150068986
2015-03-12

Filter device and method for filtering a suspension

#70
20140326651
2014-11-06

Connector assembly for use in filter elements of press filter and press filter comprising the same

#71
20140319082
2014-10-30

HIGH-IN FAST-OUT EFFICIENT PRESS FILTER AND FAST CHARGING METHOD

#72
20140311994
2014-10-23

Device for reducing friction between sealing plates of filtration units, and use thereof in a filtration method

#73
20140311978
2014-10-23

Recess plate and method for detecting membrane leakage

#74
20140110324
2014-04-24

Solid/fluid separation device and method for treating biomass including solid/fluid separation

#75
20130240428
2013-09-19

Filter plate assembly for filter

#76
20130126447
2013-05-23

FILTER PLATE ASSEMBLY FOR FILTER

#77
20120118517
2012-05-17

Solid/fluid separation device and method for treating biomass including solid/fluid separation

#78
20110297625
2011-12-08

Filter plate assembly for filter

#79
20110203999
2011-08-25

Dewatering of drilling mud using a filter press

#80
20100219140
2010-09-02

Filter press with improved plate assembly and method of filtering

#81
20090211990
2009-08-27

Filter plate assembly for filter

#82
20080264879
2008-10-30

Filter plate assembly for filter

#83
20050199559
2005-09-15

Filter plate assembly for filter

#84
17862264
2024-12-03

Plant mixture processing systems

#85
17330387
2022-07-12

Plant mixture processing systems