ClassID:

30214

B01D2239/0663 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Filter cloth, e.g. knitted, woven non-woven; self-supported material; More than one layer present in the filtering material The layers being joined by hydro-entangling

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

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

#2
20250099887
2025-03-27

FILTER MATERIAL COMPRISING A GRADIENT STRUCTURE NONWOVEN BASE LAYER AND A NANOFIBER TOP LAYER

#3
20240237765
2024-07-18

Antibacterial and antiviral degradable mask and manufacturing method thereof

#4
20230372850
2023-11-23

A FILTER MEDIA AND A PROCESS FOR PRODUCING THE SAME

#5
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#6
20210394097
2021-12-23

FILTER MATERIAL FOR AUTOMATIC TRANSMISSION OIL FILTER

#7
20210310166
2021-10-07

FIBER STRUCTURE AND APPLICATION THEREOF

#8
20210236972
2021-08-05

FILTER MEDIUM COMPRISING A REINFORCED NON-WOVEN FABRIC

#9
20200391147
2020-12-17

FILTER MEDIUM

#10
20200122069
2020-04-23

ELASTOMERIC DEPTH FILTER

#11
20170137981
2017-05-18

NON-WOVEN FABRIC

#12
20160175754
2016-06-23

Method of filtering particulates from the air using a composite filter substrate comprising a mixture of fibers

#13
20150328401
2015-11-19

Pivoting joint infusion system with seal

#14
20140332476
2014-11-13

Elastomeric depth filter

#15
20110112481
2011-05-12

Pivoting joint infusion system with seal

#16
20110031191
2011-02-10

Filter material for removing aggregates and method of filtering blood product

#17
20100119794
2010-05-13

Multi-layer composite for use in an air filter

#18
20080274312
2008-11-06

Bag house filters and media

#19
20080166938
2008-07-10

MICROFIBER SPLIT FILM FILTER FELT AND METHOD OF MAKING SAME

#20
20060241551
2006-10-26

Pivoting joint infusion system with steal

#21
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#22
20060049386
2006-03-09

Microfiber articles from multi-layer substrates

#23
20060033086
2006-02-16

Acene-thiophene semiconductors

#24
20050085144
2005-04-21

Durable charged particle coatings and materials

#25
20050035333
2005-02-17

Acene-thiophene semiconductors