ClassID:

28921

B01D25/001 - CPC Classification

Classification description:

Filters formed by clamping together several filtering elements or parts of such elements Making filtering elements not provided for elsewhere

Recent Application in this class:
#1
20250205619
2025-06-26

UNIFORM SPRAY-COATING, CUMULATIVELY-STACKING AND SQUEEZING SOLID-LIQUID SEPARATION SYSTEM

#2
20240226776
2024-07-11

FILTER

#3
20240173662
2024-05-30

SURFACE COATED FILTER AND METHOD

#4
20230158439
2023-05-25

Surface coated filter and method

#5
20190336890
2019-11-07

Snap-On Porous Filter Media For Filter Press Plates

#6
20190143248
2019-05-16

FILTER ELEMENT AND METHOD FOR PRODUCING THE SAME

#7
20190126178
2019-05-02

Filter and Method of Preparing the Same

#8
20190105593
2019-04-11

Surface coated filter method

#9
20180311605
2018-11-01

Fluid filter apparatus having filter media wound about a winding frame

#10
20180071661
2018-03-15

Filter bag sealing method and a filter bag sealed therewith

#11
20180015393
2018-01-18

Filter core and manufacturing method thereof

#12
20170333824
2017-11-23

Method and apparatus for winding a filter element

#13
20170282098
2017-10-05

Method for manufacturing a recess plate

#14
20170266590
2017-09-21

Filtration module and method for producing same

#15
20160107108
2016-04-21

Filter element, method for manufacturing and use thereof

#16
20160101992
2016-04-14

Multi-segmented tube sheet

#17
20140123610
2014-05-08

Z-filter media pack arrangement; and, methods

#18
20140061120
2014-03-06

Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products

#19
20130277295
2013-10-24

Filter element and methods of manufacturing and using same

#20
20130255051
2013-10-03

Assembly machine for disposable syringe-driven filter

#21
20130248090
2013-09-26

Method of making a Z-media having flute closures

#22
20130008860
2013-01-10

Filter element and methods of manufacturing and using same

#23
20120312167
2012-12-13

Fluted filter media

#24
20120304609
2012-12-06

Z-filter media pack arrangement; and, methods

#25
20120285610
2012-11-15

Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products

#26
20120196733
2012-08-02

Method and apparatus for forming fluted filtration media having tapered flutes

#27
20120118814
2012-05-17

Pleated filter element with tapering bend lines

#28
20120037573
2012-02-16

Filter element and methods of manufacturing and using same

#29
20110297611
2011-12-08

Fluted filter medium and process for its manufacture

#30
20110232244
2011-09-29

Z-filter media pack arrangement; and, methods

#31
20100044299
2010-02-25

Method of preventing filter media cracking when compressing two or more filter media layers

#32
20100032383
2010-02-11

Filter element including a filter press plate

#33
20100032365
2010-02-11

Z-MEDIA HAVING FLUTE CLOSURES, METHODS AND APPARATUS

#34
20100011725
2010-01-21

Reinforced filter element

#35
20090211696
2009-08-27

Method and apparatus for forming fluted filtration media

#36
20080250766
2008-10-16

Z-filter media pack arrangement; and, methods

#37
20080216654
2008-09-11

Fluted filter media

#38
20080142449
2008-06-19

Method for Manufacturing a Module for Treating a Fluid

#39
20080135471
2008-06-12

Method and apparatus for winding a filter element

#40
20080135470
2008-06-12

Fluid filter apparatus having filter media wound about a winding frame

#41
20080128364
2008-06-05

Filter element and methods of manufacturing and using same

#42
20080093288
2008-04-24

Filter Medium for a Fluid

#43
20080047893
2008-02-28

FILTER AND METHOD OF MAKING

#44
20080041795
2008-02-21

Filter unit, filter device and filtration process for fluids

#45
20080011896
2008-01-17

Method and apparatus for winding a filter media pack

#46
20080000826
2008-01-03

ROLLED AXIAL FLOW FILTER AND METHODS

#47
20070062859
2007-03-22

Graded particle-size retention filter medium for fluid filtration unit with improved edge seal

#48
20070039296
2007-02-22

Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products

#49
20060272305
2006-12-07

Channel filter

#50
20060254973
2006-11-16

Filter

#51
20060163150
2006-07-27

Fluted filter medium and process for its manufacture

#52
20060151655
2006-07-13

Method and apparatus for winding a filter media pack

#53
20060123754
2006-06-15

Air filter

#54
20060091084
2006-05-04

Fluted filter media with intermediate flow restriction and method of making same

#55
20060027508
2006-02-09

Method for manufacturing a module for treating a fluid

#56
20050167353
2005-08-04

Graded particle-size retention filter medium for fluid filtration unit with improved edge seal

#57
14535596
2015-10-06

Multi-segmented tube sheet