ClassID:

30198

B01D2239/0485 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material; Surface coating material on particles

Recent Application in this class:
#1
20250325930
2025-10-23

METHOD AND APPARATUS FOR ENHANCED SEPARATION AND REMOVAL OF CONTAMINANTS AND IRRADIATED PARTICULATES FROM FLUIDS

#2
20240269645
2024-08-15

Granulated Hierarchical Material Structure

#3
20240009609
2024-01-11

WASHABLE FILTER BODIES AND METHODS FOR PRODUCING

#4
20230381695
2023-11-30

SYSTEMS, METHODS, AND FILTER MEDIA FOR FILTERING MOLTEN ALUMINUM AND ALUMINUM ALLOYS

#5
20220410123
2022-12-29

AIR FILTER MEDIA

#6
20200188825
2020-06-18

FILTER, FILTER ASSEMBLY, FILTER DEVICE AND WATER PURIFICATION SYSTEM

#7
20190030473
2019-01-31

High performance media for filtration and others applications

#8
20180078886
2018-03-22

Process of separating blood plasma/serum from whole blood

#9
20170334742
2017-11-23

MORINGA OLEIFERA AUGMENTED FILTER MEDIA

#10
20170106129
2017-04-20

BONDED MICROSPHERE FILTER

#11
20140360316
2014-12-11

Bn or YOcoated ceramic filters used in filtration of aluminum—lithium alloys and reactive alloys

#12
20140302981
2014-10-09

Activated carbon with a metal based component

#13
20120241385
2012-09-27

WATER FILTRATION SYTEM WITH ACTIVATED CARBON AND ZEOLITE

#14
20120217194
2012-08-30

Porous Pavement for Water Quality and Quantity Management

#15
20110201041
2011-08-18

Encapsulation of nano-materials for fluid purification/separation

#16
20110155661
2011-06-30

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#17
20110146697
2011-06-23

Method and apparatus for the plasma processing of filter material

#18
20110139726
2011-06-16

FILTRATION MEDIA COATED WITH ZERO-VALENT METALS, THEIR PROCESS OF MAKING, AND USE

#19
20110139701
2011-06-16

FILTERS COMPRISING AN ACTIVATED CARBON PARTICLE COATED WITH PDADMAC AND METHODS OF MAKING SAME

#20
20110129603
2011-06-02

Air-permeable filtration media, methods of manufacture and methods of use

#21
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

#22
20090308800
2009-12-17

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#23
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

#24
20090238646
2009-09-24

Method of constructing a filtering pavement surface

#25
20090218292
2009-09-03

Methods of treating water

#26
20090218291
2009-09-03

Methods for treating water

#27
20090200247
2009-08-13

Filter element with coating for surface filtration

#28
20090008323
2009-01-08

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#29
20080271605
2008-11-06

Air-permeable filtration media and related systems

#30
20080105611
2008-05-08

Filters having improved permeability and virus removal capabilities

#31
20080041040
2008-02-21

Exhaust gas post treatment system

#32
20080023383
2008-01-31

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#33
20070245702
2007-10-25

Honeycomb structure and manufacturing method thereof, and air cleaner and water purifier containing the honeycomb structure

#34
20060207932
2006-09-21

Filter element with coating for surface filtration

#35
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#36
20060054023
2006-03-16

Air-permeable filtration media, methods of manufacture and methods of use

#37
20060032807
2006-02-16

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#38
20060014010
2006-01-19

Composite membrane having oleophobic properties

#39
20050279696
2005-12-22

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#40
20050247608
2005-11-10

Filters having improved permeability and virus removal capabilities