ClassID:

29382

B01D39/1661 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids; Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin sintered or bonded

Recent Application in this class:
#1
20250339799
2025-11-06

FILTER MEDIA, TRIBOELECTRICALLY CHARGED FIBERS THEREOF, AND METHODS FOR THE SAME

#2
20250327381
2025-10-23

THERMALLY TRIGGERED CONFORMABLE POLYMERIC SCREEN

#3
20240417497
2024-12-19

SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS

#4
20240367077
2024-11-07

DEPTH FILTER MEDIA

#5
20230158430
2023-05-25

HIGH EFFICIENCY SYNTHETIC FILTER MEDIA

#6
20230001405
2023-01-05

Squeezable sample preparation device

#7
20220410123
2022-12-29

AIR FILTER MEDIA

#8
20220331726
2022-10-20

Filter and metal ion removing method

#9
20220105455
2022-04-07

MULTISTAGE FILTER CARTRIDGE

#10
20220089828
2022-03-24

Sintered polymeric particles for porous structures

#11
20210316240
2021-10-14

LASER-SINTERED FILTER, METHOD FOR PRODUCING THE FILTER, AND METHOD FOR ENSURING FLUID FLOW

#12
20210230022
2021-07-29

Filter and metal ion removal device

#13
20210187422
2021-06-24

Filter, metal ion removing method, and metal ion removing apparatus

#14
20200406178
2020-12-31

PROCESS FOR FORMING POROUS FILTER MEDIA

#15
20200298154
2020-09-24

Filter element

#16
20190336890
2019-11-07

Snap-On Porous Filter Media For Filter Press Plates

#17
20190144344
2019-05-16

Cohesive granular material

#18
20190070795
2019-03-07

Sintered and porous articles having improved flexural strength

#19
20180280847
2018-10-04

Process for making high efficiency synthetic filter media

#20
20180280846
2018-10-04

Process for utilizing a high efficiency synthetic filter media

#21
20180280845
2018-10-04

High efficiency synthetic filter media

#22
20180272260
2018-09-27

ULTRA-LOW PRESSURE DROP FLUID FILTERS AND RELATED METHODS

#23
20180193787
2018-07-12

Air-permeable filter provided with oil repellency

#24
20170080370
2017-03-23

Filter System and Filter Element Having a Glass Fiber Filter Medium and a Sintered Body

#25
20160375385
2016-12-29

METHOD FOR PREPARING A POROUS FLUOROPOLYMER AND PREPARING AN ARTICLE OF SAME

#26
20160361675
2016-12-15

COMMODITY WATER PURIFIER

#27
20160158678
2016-06-09

VENTILATION MEMBER

#28
20160144308
2016-05-26

FILTER MEDIA AND METHODS OF MANUFACTURING THEREOF

#29
20160030923
2016-02-04

Porous media compositions and methods for producing the same

#30
20160024269
2016-01-28

Sintered polymeric particles for porous structures

#31
20150298030
2015-10-22

Method for preparing a porous fluoropolymer and preparing an article of same, a rigid porous fluoropolymer flow sleeve and a method of controlling flow

#32
20150151228
2015-06-04

Filter

#33
20150089911
2015-04-02

Air-permeable film imparted with oil repellency

#34
20140217032
2014-08-07

Sintered porous plastic liquid barrier media and applications thereof

#35
20130306552
2013-11-21

METHOD OF FORMING FILTER ELEMENTS

#36
20130056428
2013-03-07

Fluid purification media and systems and methods of using same

#37
20130046040
2013-02-21

POLYETHYLENE POWDERS AND POROUS ARTICLES PRODUCED THEREFROM

#38
20120318732
2012-12-20

SINTERED ETHYLENE POLYMER FILTER

#39
20120318139
2012-12-20

Sintered porous plastic liquid barrier media and applications thereof

#40
20110278242
2011-11-17

Fluid purification media and systems and methods of using same

#41
20110198274
2011-08-18

FILTER FOR FUELS AND LUBRICANTS

#42
20110033617
2011-02-10

Method of making a composite porous material

#43
20100196711
2010-08-05

ULTRA-HIGH MOLECULAR WEIGHT POLYOLEFIN FINE PARTICLES, PROCESS FOR PRODUCING THE SAME AND MOLDED ARTICLES OF THE SAME

#44
20100051536
2010-03-04

FILTER INCLUDING MULTIPLE SPHERES

#45
20090200247
2009-08-13

Filter element with coating for surface filtration

#46
20090087605
2009-04-02

Composite porous materials and methods of making and using the same

#47
20090019955
2009-01-22

Disposable Pipette and Methods for Making and Using the Same

#48
20080237924
2008-10-02

Filter cartridge and method of construction thereof

#49
20080197065
2008-08-21

Sintered polymeric materials and applications thereof

#50
20080110819
2008-05-15

STAGED OIL FILTER INCORPORATING ADDITIVE-RELEASING PARTICLES

#51
20070216051
2007-09-20

Automotive Fluid Filter with Sintered Pellet Filter Medium and Associated Method

#52
20070215559
2007-09-20

Automotive Fluid Filter with Sintered Pellet Filter Medium and Associated Method

#53
20070062862
2007-03-22

Filtration matrix

#54
20060261000
2006-11-23

Filter cartridge and method of construction thereof

#55
20060207932
2006-09-21

Filter element with coating for surface filtration

#56
20060163175
2006-07-27

Process and an apparatus for puritification of waste oil or re-refined oil from mineral or synthetic oil

#57
20060141233
2006-06-29

Pre-filter material

#58
20060088708
2006-04-27

Heat-resistant filter element and method for production thereof

#59
20060086655
2006-04-27

Filter element and process for producing the same

#60
20060043027
2006-03-02

Automotive fluid filter with sintered pellet filter medium and associated method

#61
20060016753
2006-01-26

Biological fluid filter

#62
20060011536
2006-01-19

Flow adjusting mechanism

#63
20050230304
2005-10-20

Filter for using in aerosol paint cans

#64
20050178720
2005-08-18

Porous media

#65
20050170159
2005-08-04

Composite porous materials and methods of making and using the same

#66
20050092669
2005-05-05

Filter cartridge and process for the production thereof

#67
20050016917
2005-01-27

High efficiency filter material and composition