ClassID:

29097

B01D29/48 - CPC Classification

Classification description:

Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor; Edge filtering elements, i.e. using contiguous impervious surfaces of spirally or helically wound bodies

Recent Application in this class:
#1
20250121304
2025-04-17

HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD

#2
20240284864
2024-08-29

MILKING DEVICE PROVIDED WITH A MILK FILTER

#3
20230255174
2023-08-17

MILKING DEVICE WITH A MILK FILTER

#4
20220203274
2022-06-30

System and method for a filter system

#5
20220203273
2022-06-30

MULTI-SHAFT LAMINATED SPIRAL SOLID-LIQUID SEPARATOR

#6
20220016552
2022-01-20

Slit spiral tube for self-cleaning pressure filters and a slot self-cleaning pressure filter with such a slit tube

#7
20210308602
2021-10-07

Wedge Wire Filter Tubes with Narrowed Slots

#8
20210252435
2021-08-19

Rag seeding in wastewater treatment systems

#9
20200408073
2020-12-31

Sand control screen assemblies and associated methods of manufacturing

#10
20200206658
2020-07-02

System and method for a filter system

#11
20200078712
2020-03-12

Filter element and filter module comprising same

#12
20190390428
2019-12-26

Screen intake flow control and support device

#13
20180172346
2018-06-21

Filtering Coil for Screw Press

#14
20170333816
2017-11-23

Filter device, hydraulic system and backwashing method

#15
20170197161
2017-07-13

Fluid intake screen

#16
20160258058
2016-09-08

Semiconductor manufacturing apparatus

#17
20160214039
2016-07-28

Nozzle-brush automatic cleaning filter with motor reducer

#18
20160102532
2016-04-14

Enhanced erosion resistance wire shapes

#19
20160023132
2016-01-28

Elongated scraper profile

#20
20150298035
2015-10-22

System for reducing product losses, product dilution, chemical dilution and water consumption in a crossflow membrane separation system

#21
20150263367
2015-09-17

Filter apparatus

#22
20150143785
2015-05-28

Filter

#23
20150014242
2015-01-15

Fluid intake screen

#24
20140144823
2014-05-29

Archimedes screw separation plant for treating slurry

#25
20140116958
2014-05-01

Stormwater treatment system

#26
20140060816
2014-03-06

Multiple sectioned wire-wrapped screens

#27
20140042070
2014-02-13

FILTERING APPARATUS

#28
20130292321
2013-11-07

Filter device

#29
20130255202
2013-10-03

Fluid filtering unit and system

#30
20130062269
2013-03-14

Bendable strain relief fluid filter liner, method and apparatus

#31
20130001148
2013-01-03

FILTER ASSEMBLY

#32
20130000890
2013-01-03

Multiple sectioned wire-wrapped screens

#33
20130000603
2013-01-03

EDGE FILTER HAVING MULTIPLE FILTERING OPENINGS

#34
20120315193
2012-12-13

Apparatus for generating hydrocarbon fuel

#35
20120301800
2012-11-29

Filter apparatus

#36
20120298572
2012-11-29

Screen intake flow control and support device

#37
20120267319
2012-10-25

Stormwater treatment system

#38
20120237727
2012-09-20

Profiled wire screen for process flow and other applications

#39
20120211410
2012-08-23

FILTER DEVICE

#40
20120167671
2012-07-05

METHOD AND APPARATUS FOR TESTING TRANSDERMAL MEDICAMENTS

#41
20120125834
2012-05-24

FILTER DEVICE AND FILTER ELEMENT ARRANGEMENT FOR USE IN THE FILTER DEVICE

#42
20120048416
2012-03-01

Method and apparatus for strain relief in thermal liners for fluid transfer

#43
20120018369
2012-01-26

Wedge-wire in-port filter

#44
20110290743
2011-12-01

Helical support structure for intake screens

#45
20110108477
2011-05-12

Tubular Screen Support and System

#46
20100300987
2010-12-02

Filtration apparatus and filtration method

#47
20100288708
2010-11-18

Viscosity control and filtration of well fluids

#48
20100219121
2010-09-02

SHAPED WIRE FOR FILTER ELEMENTS

#49
20100155324
2010-06-24

Filter apparatus

#50
20100146916
2010-06-17

Filter apparatus

#51
20090283111
2009-11-19

Dishwasher, in particular domestic dishwasher, and method for operating said dishwasher

#52
20090114601
2009-05-07

Device and method for dynamic processing in water purification

#53
20090077893
2009-03-26

Apparatus for generating hydrocarbon fuel

#54
20090056542
2009-03-05

Fluid filter separator and method

#55
20090045130
2009-02-19

Construction of the wedge filtration media laminated by wedge filter plate

#56
20090008085
2009-01-08

Method of making a sand screen on a base pipe

#57
20090001027
2009-01-01

Filter apparatus and method of removing organic waste

#58
20080290018
2008-11-27

Filter apparatus

#59
20080230470
2008-09-25

Filter module and process for manufacture of same

#60
20080230460
2008-09-25

Screen nozzle

#61
20080105609
2008-05-08

Liquid Filter

#62
20080060985
2008-03-13

Wave coil filter assembly

#63
20070215346
2007-09-20

Viscosity control and filtration of well fluids

#64
20070197667
2007-08-23

Process for separating a catalyst from a liquid

#65
20070175834
2007-08-02

Helical internal support structure for intake screens

#66
20070158261
2007-07-12

Filter device

#67
20070119313
2007-05-31

Apparatus for filtering volume-reduced gel-state polystyrene resin

#68
20070090046
2007-04-26

Filter Screen

#69
20070029244
2007-02-08

Filter element

#70
20070023339
2007-02-01

Filter Assembly And Filter Element

#71
20060266695
2006-11-30

Notched wire, notched wire element and filtration apparatus

#72
20060070962
2006-04-06

Filtering method and filtering device

#73
20050205257
2005-09-22

Viscosity control and filtration of well fluids

#74
20050125980
2005-06-16

System and method of constructing wire wrap well screens

#75
20050040091
2005-02-24

Apparatus and method for separating and filtering particles and organisms from flowing liquids

#76
20050023208
2005-02-03

Method of filtering a fluid with a filter assembly