Patents-Review.com
ClassID:

28953 ⎘

B01D25/24 - CPC Classification

Classification description:

Filters formed by clamping together several filtering elements or parts of such elements; Cell-type filters Cell-type roll filters

Recent Application in this class:
#1
20230103787
2023-04-06

ADVANCED PASSIVE WEDGE WIRE SCREEN INTAKE

 #2
20230018748
2023-01-19

FORMED FILTER MEDIA

 #3
20220008843
2022-01-13

Monolithic assembly integrating open cell structure with retaining partition

 #4
20210187416
2021-06-24

ADVANCED PASSIVE WEDGE WIRE SCREEN INTAKE

 #5
20180311605
2018-11-01

Fluid filter apparatus having filter media wound about a winding frame

 #6
20170333824
2017-11-23

Method and apparatus for winding a filter element

 #7
20140263022
2014-09-18

Oil deterioration prevention device

 #8
20130008860
2013-01-10

Filter element and methods of manufacturing and using same

 #9
20120312167
2012-12-13

Fluted filter media

 #10
20120304609
2012-12-06

Z-filter media pack arrangement; and, methods

 #11
20120298570
2012-11-29

FILTRATION APPARATUS AND WATER TREATMENT APPARATUS

 #12
20120285610
2012-11-15

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

 #13
20120227468
2012-09-13

TUBULAR LIQUID-TREATING FILTER, METHOD FOR CAPTURING AND REMOVING OIL CONTENT IN LIQUID, METHOD FOR PRODUCING BEVERAGE LIQUID, AND METHOD FOR MEASURING OIL GRAM LIFE OF TUBULAR FILTER

 #14
20120196733
2012-08-02

Method and apparatus for forming fluted filtration media having tapered flutes

 #15
20120118814
2012-05-17

Pleated filter element with tapering bend lines

 #16
20120037573
2012-02-16

Filter element and methods of manufacturing and using same

 #17
20110297611
2011-12-08

Fluted filter medium and process for its manufacture

 #18
20110232244
2011-09-29

Z-filter media pack arrangement; and, methods

 #19
20110174725
2011-07-21

Filter module and process for manufacture of same

 #20
20100294729
2010-11-25

FILTER AND METHOD FOR CONSTRUCTION OF A FILTER

 #21
20100140177
2010-06-10

FLUID PROCESSING SYSTEM

 #22
20100089814
2010-04-15

Filter module

 #23
20100064644
2010-03-18

Laminate filter

 #24
20100011725
2010-01-21

Reinforced filter element

 #25
20090211696
2009-08-27

Method and apparatus for forming fluted filtration media

 #26
20080250766
2008-10-16

Z-filter media pack arrangement; and, methods

 #27
20080217238
2008-09-11

Spiral filter that receives water from its top, bottom and side

 #28
20080216654
2008-09-11

Fluted filter media

 #29
20080169234
2008-07-17

Filter module and process for manufacture of same

 #30
20080135471
2008-06-12

Method and apparatus for winding a filter element

 #31
20080135470
2008-06-12

Fluid filter apparatus having filter media wound about a winding frame

 #32
20080128364
2008-06-05

Filter element and methods of manufacturing and using same

 #33
20080093288
2008-04-24

Filter Medium for a Fluid

 #34
20080047893
2008-02-28

FILTER AND METHOD OF MAKING

 #35
20080011896
2008-01-17

Method and apparatus for winding a filter media pack

 #36
20080000826
2008-01-03

ROLLED AXIAL FLOW FILTER AND METHODS

 #37
20070144960
2007-06-28

Fluid filter

 #38
20070039296
2007-02-22

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

 #39
20070023352
2007-02-01

System for feeding a liquid fluid through a filter

 #40
20060254973
2006-11-16

Filter

 #41
20060163150
2006-07-27

Fluted filter medium and process for its manufacture

 #42
20060151655
2006-07-13

Method and apparatus for winding a filter media pack

 #43
20060138039
2006-06-29

Filtering device, filtering means, and filtration method

 #44
20060123754
2006-06-15

Air filter

 #45
20060091084
2006-05-04

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

 #46
20050178719
2005-08-18

Filter in the form of a roll and the method of making the same