Patents-Review.com
ClassID:

30681 ⎘

B01D2273/28 - CPC Classification

Classification description:

Operation of filters specially adapted for separating dispersed particles from gases or vapours Making use of vacuum or underpressure

Recent Application in this class:
#1
20260077291
2026-03-19

METHOD AND DEVICE FOR REMOVING REACTIVE PARTICLES FROM A VACUUM ENVIRONMENT, AND PROCESS PLANT FOR PRODUCING MONOCRYSTALLINE SILICON INGOTS

 #2
20250277486
2025-09-04

A FLOW STREAM FILTERING METHOD AND SYSTEM

 #3
20250222387
2025-07-10

AIR PURIFIER INCLUDING PLURALITY OF BLADES AND AIR SUCTION METHOD THEREOF

 #4
20250170512
2025-05-29

FILTER INSERT FOR A LIQUID SEPARATOR AND LIQUID SEPARATOR

 #5
20250082154
2025-03-13

FILTER CLEANING UNIT, VACUUM CLEANER AND METHOD FOR CLEANING A FILTER IN A VACUUM CLEANER

 #6
20240367084
2024-11-07

FILTER FOR AN AUTOCLAVE

 #7
20240009612
2024-01-11

MEDICAL FILTRATION DEVICE AND SYSTEMS

 #8
20230264131
2023-08-24

CYCLONIC, DUST-COLLECTING UNIT AND VACUUM CLEANER

 #9
20230197305
2023-06-22

LASER ABLATION SYSTEM AND METHOD

 #10
20230141674
2023-05-11

System and method for preventing debris buildup in vacuum sensor lines

 #11
20230072328
2023-03-09

Vacuum filter assembly for processing bulk granular material and filter mounting assembly therefore

 #12
20220370940
2022-11-24

AEROSOL REMOVAL

 #13
20220305418
2022-09-29

Vacuum filter assembly for cleansing air for use in transfer of bulk, granular material as in conveying vehicles

 #14
20220287789
2022-09-15

SURGICAL DRAPE OR SHEATH FOR A MEDICAL VACUUM DEVICE AND METHODS OF USE

 #15
20220088522
2022-03-24

Dust and debris filtration system for cleaning air used in the conveyance of granular material to and from the silo, dry bulk trailer, rail car, and other transportation and conveying means

 #16
20220001319
2022-01-06

Dust filter

 #17
20220001318
2022-01-06

Dust filter

 #18
20210402351
2021-12-30

VACUUM GENERATION PROCESS FOR DEPOSITION OF BIOMEDICAL IMPLANT MATERIALS

 #19
20210402339
2021-12-30

Valve, use of such valve, separator comprising such valve and method of cleaning a separator body

 #20
20210395665
2021-12-23

A Bioreactor System

 #21
20210361135
2021-11-25

DIRT COLLECTOR FOR A VACUUM CLEANER

 #22
20210354068
2021-11-18

Method and device for filtering contaminated air

 #23
20210346834
2021-11-11

TOXIC GAS PURIFICATION APPARATUS HAVING A LOCAL EXHAUST FUNCTION

 #24
20210338027
2021-11-04

Vacuum cleaner

 #25
20210338026
2021-11-04

Vacuum cleaner

 #26
20210197109
2021-07-01

AIR FILTRATION DEVICE

 #27
20210146290
2021-05-20

Filter assembly for separating liquid from compressed gas and compressor comprising such filter assembly

 #28
20210077938
2021-03-18

POWDER COLLECTOR

 #29
20210023496
2021-01-28

Filter device

 #30
20210023490
2021-01-28

Filter device for the filtration of gases contaminated with particles

 #31
20210001258
2021-01-07

Filter media pack with porous wrapper

 #32
20200384045
2020-12-10

Rotary separation apparatus and process

 #33
20200353398
2020-11-12

Filter and vacuum food processor

 #34
20200339292
2020-10-29

Device and method for degassing and gassing containers

 #35
20200323407
2020-10-15

WET AND DRY VACUUM BAG WITH CLOSURE SEAL AND RETAINING CLAMP

 #36
20200306907
2020-10-01

Dust collecting system

 #37
20200179861
2020-06-11

Cleaning system for bag filters

 #38
20190125152
2019-05-02

Dirt collector for a vacuum cleaner

 #39
20190090710
2019-03-28

Vacuum cleaner

 #40
20190083558
2019-03-21

Rotary separation apparatus and process

 #41
20190060817
2019-02-28

Air purifier

 #42
20190060812
2019-02-28

Filter apparatus for a surface cleaning apparatus

 #43
20180335033
2018-11-22

Filtering element and associated mounting device for vacuum pump

 #44
20180333668
2018-11-22

Filter media pack with porous wrapper

 #45
20180290093
2018-10-11

SiOx filtration unit and method for operating the SiOx filtration unit

 #46
20180280858
2018-10-04

Drum media holding band for filtration system

 #47
20180250721
2018-09-06

Powder suction and removal apparatus and powder suction and removal method

 #48
20180117517
2018-05-03

Pneumatic filter and filter element

 #49
20180103814
2018-04-19

Adaptable Vacuum Unit With Adjustable Debris Can Egress

 #50
20180008656
2018-01-11

Horizontal axis rotary separation apparatus and process

 #51
20170356204
2017-12-14

Multi-use ICRA booth

 #52
20170266600
2017-09-21

Air purification plant

 #53
20170265699
2017-09-21

Vacuum cleaner filter bag having a high-strength weld seam, method for producing said vacuum cleaner filter bag, and ultrasonic welding system for producing an ultra-strong weld seam

 #54
20170225112
2017-08-10

Filter chambers and self-cleaning apparatus for vacuum systems

 #55
20170189841
2017-07-06

Explosion isolation device and method for disposing dust

 #56
20170157547
2017-06-08

AN AIR CONDITIONING FILTER CLEANER AND FILTER CLEANING SYSTEM

 #57
20160372225
2016-12-22

WASTE CONTAINER FOR COLLECTING HAZARDOUS MATERIAL

 #58
20120318134
2012-12-20

Filter service system and method

 #59
20120234178
2012-09-20

PROTECTIVE FILTER FOR VACUUM PUMP

 #60
20110252755
2011-10-20

AIR PURIFYING DEVCE WITH MULTIFUNCTION FOR ERRADICATING HOUSE DUST MITES AND HEATING THE AIR

 #61
20110192124
2011-08-11

DUST COLLECTOR

 #62
20110001371
2011-01-06

SYSTEM FOR THE CIRCULATION OF FILTERED AIR INSIDE THE WIND TURBINE

 #63
20100330897
2010-12-30

Fresh air intake system for overburden drills

 #64
20100132153
2010-06-03

CLEANABLE FILTER SYSTEM

 #65
20100116428
2010-05-13

Method for manufacturing filtration units and associated apparatus

 #66
20100050368
2010-03-04

Vacuum suction and cleaning apparatus

 #67
20090211208
2009-08-27

Rotary vacuum apparatus for air screen

 #68
20090205499
2009-08-20

Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out the method

 #69
20090205159
2009-08-20

Vacuum cleaner

 #70
20090205158
2009-08-20

Vacuum cleaner

 #71
20090049989
2009-02-26

WELDING SMOG DISPOSING MACHINE

 #72
20090000471
2009-01-01

Filter service system and method

 #73
20080314005
2008-12-25

Vacuum cleaner filter bag and use of said bag

 #74
20080236120
2008-10-02

Prefilters for Devices with Air Filter

 #75
20080127832
2008-06-05

Transparent Foldable Dust Bag

 #76
20080086991
2008-04-17

System, method, and apparatus for mounting a filter bag to a wet/dry vacuum

 #77
20080047241
2008-02-28

Air cleaning fan/fan blade

 #78
20080028732
2008-02-07

Air filter system and air cleaning method

 #79
20080011440
2008-01-17

Device for cleaning of a filter net of a pulp dryer's fan tower, a pulp dryer's fan and a pulp dryer

 #80
20080010958
2008-01-17

Filter for a vacuum cleaner

 #81
20070294857
2007-12-27

Dust suction device

 #82
20070240577
2007-10-18

SYSTEM FOR CLEANING A CYLINDRICAL FILTER

 #83
20070186372
2007-08-16

Vacuum cleaner filter cleaning mechanisms

 #84
20070107391
2007-05-17

Filtration device with a filter bag and a cleaning device for a filter bag

 #85
20070095027
2007-05-03

Automatic cleaning system for filtration of an air circulation system

 #86
20070079585
2007-04-12

Multi cyclone dust collector for a vacuum cleaner

 #87
20060283157
2006-12-21

Rotating filter screen with baffle

 #88
20060144223
2006-07-06

Deposition system and method

 #89
20060137318
2006-06-29

Filtration media for filtering particulate material from gas streams

 #90
20060137317
2006-06-29

Filtration media for filtering particulate material from gas streams

 #91
20060070361
2006-04-06

Filter service system and method

 #92
20060070360
2006-04-06

Filter service system and method

 #93
20060070359
2006-04-06

Filter service system

 #94
20050188663
2005-09-01

Smoker