Patents-Review.com
ClassID:

29577 ⎘

B01D46/52 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material

Sub-classes:
Recent Application in this class:
#1
20250249407
2025-08-07

FILTER SYSTEM FOR A REACTOR SYSTEM

 #2
20250205625
2025-06-26

AIR FILTER SYSTEM FOR A TANK

 #3
20240269589
2024-08-15

FILTER SYSTEM COMPRISING FILTER HOUSING, REPLACEABLE FILTER ELEMENT, AND RESONATOR STRUCTURE

 #4
20240261713
2024-08-08

FILTER ELEMENT AND FILTER ARRANGEMENT

 #5
20240173662
2024-05-30

SURFACE COATED FILTER AND METHOD

 #6
20230321577
2023-10-12

Filter element and filter arrangement

 #7
20230249116
2023-08-10

SYSTEMS AND FILTER DEVICE FOR CONTROLLING AIR-SUSPENDED PARTICLE DISTRIBUTION AND CONCENTRATION

 #8
20230173420
2023-06-08

Pump filter with predetermined swirl

 #9
20230158439
2023-05-25

Surface coated filter and method

 #10
20220404044
2022-12-22

ENERGY-TRANSMISSIBLE AIR FILTER SYSTEM AND METHOD

 #11
20220258090
2022-08-18

FLUOROPLASTIC SUPPORT MEMBRANE

 #12
20210388127
2021-12-16

Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit

 #13
20210308613
2021-10-07

Air filter with improved handle

 #14
20210229017
2021-07-29

Round filter element, in particular for gas filtration

 #15
20210205758
2021-07-08

Filter system for a reactor system

 #16
20210023494
2021-01-28

FILTER ELEMENT HAVING A FUNCTIONAL SPACE AND FILTER ARRANGEMENT HAVING SUCH A FILTER ELEMENT, AND METHOD FOR CONTROLLING A FILTER SYSTEM

 #17
20200398208
2020-12-24

Divided flow guiding device, centering device, filter unit, method for assembling a filter unit and method for cleaning

 #18
20200305507
2020-10-01

E-cigarette with valve allowing exhale filter

 #19
20200129889
2020-04-30

Support and drainage material, filter, and method of use

 #20
20200080553
2020-03-12

Linear compressor

 #21
20200047105
2020-02-13

Multiple bead air filter seal

 #22
20200047102
2020-02-13

Multi-stage hood filter system

 #23
20200002495
2020-01-02

Air filter medium, air filter pack, and air filter unit

 #24
20190344206
2019-11-14

Filter element and filter arrangement

 #25
20190308125
2019-10-10

Round filter element, in particular for gas filtration

 #26
20190308124
2019-10-10

Air filter element, in particular for gas filtration

 #27
20190247778
2019-08-15

Divided flow guiding device, kit comprising base body and end piece of a flow guiding device, filter unit and method for cleaning

 #28
20190232211
2019-08-01

Air filter medium, air filter pack, and air filter unit

 #29
20190224609
2019-07-25

Air filter medium, air filter pack, and air filter unit

 #30
20190184324
2019-06-20

Air cleaner

 #31
20190105593
2019-04-11

Surface coated filter method

 #32
20190054410
2019-02-21

Filter element

 #33
20180264392
2018-09-20

Air filter medium, air filter pack, and air filter unit

 #34
20180236392
2018-08-23

Filter medium for air filter, filter pack, and air filter unit

 #35
20180015405
2018-01-18

Waved filter media and elements

 #36
20170354910
2017-12-14

Multi-stage hood filter system

 #37
20170341003
2017-11-30

Fluidic filter

 #38
20170306900
2017-10-26

AIR FILTER DEVICE FOR FILTERING THE INTAKE AIR OF A COMBUSTION ENGINE, IN PARTICULAR FOR A HAND-HELD SMALL TOOL

 #39
20170246573
2017-08-31

Inlet frame and filter assembly including an inlet frame

 #40
20170182448
2017-06-29

Plate-type filter element for gas filtration

 #41
20170144094
2017-05-25

Filter sealing assembly and filtration vessel

 #42
20170095764
2017-04-06

FILTER MEDIUM

 #43
20160367922
2016-12-22

Multilayer filter medium for filter, method for producing the same, and air filter

 #44
20160296867
2016-10-13

Filter element and filter arrangement

 #45
20160270446
2016-09-22

E-cigarette with valve allowing exhale filter

 #46
20150265959
2015-09-24

Collapsible and/or assembled filter housing and filter used therewith

 #47
20150121823
2015-05-07

Waved filter media and elements

 #48
20140260141
2014-09-18

Filter element and method for production thereof

 #49
20140223872
2014-08-14

Filter medium for air filter and filter unit

 #50
20140197095
2014-07-17

MULTI-LAYER FILTER MATERIAL AND FILTER ELEMENT PRODUCED THEREFROM

 #51
20140083065
2014-03-27

Conductive filter media

 #52
20130025245
2013-01-31

Waved filter media and elements

 #53
20120318144
2012-12-20

Filter frame housing and filter for animal confinement building

 #54
20120317941
2012-12-20

Filter system using plastic frames along structural wall of animal confinement building

 #55
20120317940
2012-12-20

Non V-bank filter for animal confinement facility

 #56
20120311978
2012-12-13

Collapsible and/or assembled filter housing and filter used therewith

 #57
20120304862
2012-12-06

Flat panel contactors and methods

 #58
20120192534
2012-08-02

MULTI-STAGE HOOD FILTER SYSTEM

 #59
20100236201
2010-09-23

Filter cartridge for air cleaner

 #60
20100175556
2010-07-15

Multi-use personal ventilation/filtration system

 #61
20100107881
2010-05-06

Waved filter media and elements

 #62
20100031616
2010-02-11

Pulse jet air cleaner components; features; assemblies; and, methods

 #63
20100000190
2010-01-07

Filter orientation ribs

 #64
20090205300
2009-08-20

FILTER ELEMENT AND ARRANGEMENT

 #65
20090090091
2009-04-09

Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods

 #66
20080245726
2008-10-09

Closed-Loop-Bonded Filter Media and Liner Pleat Block and Method

 #67
20080092501
2008-04-24

POLYGONAL FILTER ELEMENT WITH RADIUSED CORNERS, ASSEMBLIES, AND METHODS FOR FILTERING

 #68
20080086990
2008-04-17

Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods

 #69
20080016829
2008-01-24

Filter element provided with channels of variable dimensions and arrangement

 #70
20070137490
2007-06-21

Filter and silencer with a quick disconnect lid

 #71
20050132680
2005-06-23

Dust bin and filter for robotic vacuum cleaner

 #72
16581056
2023-04-18

Fume collection