Patents-Review.com
ClassID:

30676 ⎘

B01D2273/18 - CPC Classification

Classification description:

Operation of filters specially adapted for separating dispersed particles from gases or vapours Testing of filters, filter elements, sealings

Recent Application in this class:
#1
20250102225
2025-03-27

FILTER-DRYING DEVICE AND METHOD FOR FILTER-DRYING BY MEANS OF SUCH A FILTER-DRYING DEVICE

 #2
20240159627
2024-05-16

SCANNING DEVICE FOR AN AIR FILTER

 #3
20240102910
2024-03-28

In situ evaluation of filter parameters with opticoanalytical devices

 #4
20240100458
2024-03-28

METHOD AND ELECTRONIC DEVICE FOR DETECTING CONTAMINATION OF FILTER

 #5
20240075417
2024-03-07

Method for determining the degree of soiling of an air filter

 #6
20240033672
2024-02-01

FILTER TEST DEVICE FOR A PORTABLE AIR PURIFIER

 #7
20230213428
2023-07-06

FILTER LIFE CONDITION ASSESSMENT THROUGH OPTICAL ABSORBANCE

 #8
20230071627
2023-03-09

Multivariate Bracketing Approach for Sterile Filter Validation

 #9
20220347610
2022-11-03

QUANTITATIVE DISORDER ANALYSIS AND PARTICLE REMOVAL EFFICIENCY OF FIBER-BASED FILTER MEDIA

 #10
20220111321
2022-04-14

AIR FILTER CLEANING DEVICE AND PARTS AND METHODS OF USE THEREOF

 #11
20220074842
2022-03-10

Filter testing apparatus and method

 #12
20220003652
2022-01-06

In situ evaluation of filter parameters with opticoanalytical devices

 #13
20210394168
2021-12-23

Honeycomb body and particulate filter comprising a honeycomb

 #14
20210361135
2021-11-25

DIRT COLLECTOR FOR A VACUUM CLEANER

 #15
20210338027
2021-11-04

Vacuum cleaner

 #16
20210338026
2021-11-04

Vacuum cleaner

 #17
20210246856
2021-08-12

AIR VELOCITY APPARATUS AND SYSTEM

 #18
20210205747
2021-07-08

Air Filter Clog Detector

 #19
20210187494
2021-06-24

Filter life indicator media and holder

 #20
20210060474
2021-03-04

METHOD FOR PREDICTING THE SERVICE LIFE OF A FILTER

 #21
20210010923
2021-01-14

Method and apparatus for identifying valid or invalid flow path

 #22
20210008482
2021-01-14

SYSTEM AND METHOD TO VERIFY REPLACEMENT OF A HEATING-VENTING AND AIR-CONDITIONING SYSTEM AIR FILTER

 #23
20200407207
2020-12-31

Plant for treating receptacles adapted to contain a pourable product

 #24
20200400545
2020-12-24

System and methods for evaluating an air purification system

 #25
20200391233
2020-12-17

Aerosol distribution in filter testing systems

 #26
20200289971
2020-09-17

Aerosol distribution in filter testing systems

 #27
20200254435
2020-08-13

Method of evaluating filtration performance of a plugged honeycomb body

 #28
20200254392
2020-08-13

Enhanced stability filter integrity test

 #29
20200206669
2020-07-02

Particulate detection for industrial facilities, and associated systems and methods

 #30
20200173324
2020-06-04

Methods and systems for a diesel oxidation catalyst

 #31
20200147539
2020-05-14

Air filter and ventilation system comprising the air filter

 #32
20200080925
2020-03-12

Filter testing apparatus and method

 #33
20200038794
2020-02-06

Leakage detection for installed filters of a multi-filter containment enclosure apparatus

 #34
20190381435
2019-12-19

Air filter cleaning device and parts and methods of use thereof

 #35
20190374894
2019-12-12

Systems and methods of predicting life of a filter in an HVAC system

 #36
20190368995
2019-12-05

High efficiency particulate air filter test system and method

 #37
20190265122
2019-08-29

Leak inspection assistance device and leak inspection method using same

 #38
20190247779
2019-08-15

Method and apparatus for providing test ports

 #39
20190234857
2019-08-01

Device for checking filter testing systems

 #40
20190211735
2019-07-11

Clogging determination device

 #41
20190195111
2019-06-27

Particulate matter detection circuit and filter processing device

 #42
20190134550
2019-05-09

Air filter clog detector

 #43
20190128820
2019-05-02

System and method for detecting a level of dirtiness of a filter mat of an airflow cooling system for telecommunications equipment

 #44
20190128763
2019-05-02

Determining Displacement From Air Filtration Media

 #45
20190125152
2019-05-02

Dirt collector for a vacuum cleaner

 #46
20190107027
2019-04-11

Emission control device for internal combustion engine

 #47
20190090710
2019-03-28

Vacuum cleaner

 #48
20190076771
2019-03-14

Pulse-jet valve performance monitoring system and method

 #49
20190056301
2019-02-21

High efficiency particulate air filter test system and method

 #50
20190003431
2019-01-03

Air velocity apparatus and system

 #51
20180300866
2018-10-18

Optical device for fuel filter debris

 #52
20180275012
2018-09-27

Aseptic filter vent valve and port for integrity testing

 #53
20180274413
2018-09-27

Methods and systems for a diesel oxidation catalyst

 #54
20180259428
2018-09-13

Test probe for a filter

 #55
20180257039
2018-09-13

Enhanced stability filter integrity test

 #56
20180245270
2018-08-30

Dryer, particularly for drying clean-room garments and accessories

 #57
20180085700
2018-03-29

FILTER APPARATUS AND METHOD FOR DETERMINING PLUGGING OF FILTER APPARATUS

 #58
20180056899
2018-03-01

Operating method for a filter system and filter system

 #59
20180031466
2018-02-01

Automated HEPA filter integrity testing

 #60
20180028957
2018-02-01

Particle Filter for an Exhaust System as well as a Procedure for the Manufacture of a Particle Filter

 #61
20170320004
2017-11-09

Method and system for predicting residual useful life of an air filter

 #62
20170246486
2017-08-31

SYSTEMS AND METHODS FOR AIR FILTRATION MONITORING

 #63
20170176283
2017-06-22

ENDOSCOPE REPROCESSOR, AND LEAK TEST METHOD OF ENDOSCOPE REPROCESSOR

 #64
20170138832
2017-05-18

In situ evaluation of filter parameters with opticoanalytical devices

 #65
20170119951
2017-05-04

MEMS based filter and catalizer

 #66
20170102312
2017-04-13

Pressure loss analysis method, a non-transitory computer readable medium, and a pressure loss analysis apparatus for analyzing pressure loss in a honeycomb structure

 #67
20170087499
2017-03-30

Filter customization systems and methods

 #68
20170074146
2017-03-16

Method for determining the aging of an oxidation catalyst in an exhaust gas aftertreatment system of an internal combustion engine, method for detecting ash in a particle filter of an exhaust gas aftertreatment system, control device, and internal combustion engine

 #69
20170058748
2017-03-02

Method and system for exhaust particulate matter sensing

 #70
20170043290
2017-02-16

Method for in-line control of the integrity of a filtering system

 #71
20160299048
2016-10-13

Enhanced aerosol test for assessing filter integrity

 #72
20160256809
2016-09-08

Roomside replaceable fan filter unit

 #73
20160136557
2016-05-19

Filter retentate removal system and method

 #74
20160097706
2016-04-07

Containment housing with integrated test aerosol injection and sampling

 #75
20160067646
2016-03-10

Roomside replaceable fan filter unit

 #76
20150159603
2015-06-11

Method and system for testing filter element performance

 #77
20140290345
2014-10-02

Determining displacement from air filtration media

 #78
20140283587
2014-09-25

Air velocity apparatus and system

 #79
20140260981
2014-09-18

Roomside replaceable fan filter unit

 #80
20140182359
2014-07-03

Warehouse system and method for detecting air particles

 #81
20140115852
2014-05-01

Integrated containment system

 #82
20140053634
2014-02-27

Alternate inlet field testing apparatus

 #83
20140026643
2014-01-30

Device for measuring impermeability of the sealing means of a filter cartridge and process thereof

 #84
20130192344
2013-08-01

Aerosol generator for EPTFE filter testing and method of use

 #85
20130186179
2013-07-25

ePTFE filter for aseptic pharmaceutical use and method of using

 #86
20120272752
2012-11-01

Method and apparatus for decontamination of tubing

 #87
20120247224
2012-10-04

Filter inspection method and filter inspection apparatus

 #88
20120246910
2012-10-04

Integrated containment system

 #89
20120103109
2012-05-03

Air velocity apparatus and system

 #90
20120060696
2012-03-15

Air filtering system capable of enhancing inspection convenience

 #91
20120037005
2012-02-16

FILTER INTEGRITY MONITORING SYSTEM

 #92
20120006202
2012-01-12

Integrated containment system

 #93
20110290120
2011-12-01

Method and apparatus for in-situ testing of filtration systems

 #94
20110277641
2011-11-17

Oil migration system

 #95
20110232362
2011-09-29

DETECTION OF EXHAUST FILTER EFFECTIVENESS

 #96
20110214485
2011-09-08

Method and apparatus for carrying out integrity tests of a non-wetted filter element

 #97
20110107917
2011-05-12

Integrated containment system

 #98
20110107819
2011-05-12

Air filter leak inspection method

 #99
20110044853
2011-02-24

Method and apparatus for decontamination of tubing

 #100
20100283213
2010-11-11

SEALING DEVICE FOR PRISMATIC BODY

 #101
20100263355
2010-10-21

Method and device for diagnosing a particle filter

 #102
20100251898
2010-10-07

Integrated containment system

 #103
20100154513
2010-06-24

Filter inspection with a gas mixing apparatus

 #104
20100116031
2010-05-13

System and method for in line in situ validation of exhaust filters

 #105
20100050878
2010-03-04

Oil migration system

 #106
20090301047
2009-12-10

Method for selecting a gas filtering structure

 #107
20090299651
2009-12-03

FILTRATION TESTING SYSTEM

 #108
20090255325
2009-10-15

Method and apparatus for v-bank filter bed scanning

 #109
20090241641
2009-10-01

Air velocity apparatus and system

 #110
20090223372
2009-09-10

Filter cassette for allowing a leak therein to be detected and method thereof

 #111
20090223293
2009-09-10

Flaw detection in exhaust system ceramic monoliths

 #112
20090158814
2009-06-25

Method and configuration for testing a particle filter for an internal combustion engine

 #113
20090108856
2009-04-30

Apparatus, system, and method for detecting cracking within an aftertreatment device

 #114
20090107329
2009-04-30

JET HOPPER

 #115
20090101018
2009-04-23

Turbulence device used for air filtration system

 #116
20090056547
2009-03-05

Method and apparatus for in-situ testing of filtration systems

 #117
20090038377
2009-02-12

Oil migration system

 #118
20080289507
2008-11-27

Air velocity apparatus and system

 #119
20080236392
2008-10-02

Axial flow scan testable filter system

 #120
20080236305
2008-10-02

Method and apparatus for testing an object

 #121
20080173071
2008-07-24

Honeycomb filter defect detecting method

 #122
20080087074
2008-04-17

Method and apparatus for v-bank filter bed scanning

 #123
20080050934
2008-02-28

Electrical connection for porous material

 #124
20070266790
2007-11-22

Ultrasonic testing system and method for ceramic honeycomb structures

 #125
20070266547
2007-11-22

Pulse echo ultrasonic testing method for ceramic honeycomb structures

 #126
20070251299
2007-11-01

System and method for in-process integrity test of a filter

 #127
20070214870
2007-09-20

Method and apparatus for v-bank filter bed scanning

 #128
20070154282
2007-07-05

Self-attaching nut

 #129
20070154281
2007-07-05

Self-attaching nut

 #130
20070154280
2007-07-05

Self-attaching nut

 #131
20070154279
2007-07-05

Self-attaching nut

 #132
20070144263
2007-06-28

Apparatus for non-destructive evaluation of a workpiece including a uniform contact apparatus

 #133
20070144260
2007-06-28

Non-destructive evaluation of particulate filters

 #134
20070144024
2007-06-28

Shape-measuring device

 #135
20070132988
2007-06-14

Collimated light method and system for detecting defects in honeycombs

 #136
20070089490
2007-04-26

Method and apparatus for v-bank filter bed scanning

 #137
20070079649
2007-04-12

Integrity testable multilayered filter device

 #138
20070044438
2007-03-01

Integrated containment system

 #139
20070022724
2007-02-01

Method, system and apparatus for detecting defects in a honeycomb body using a particulate fluid

 #140
20060272301
2006-12-07

Exhaust filter module with mechanically positionable scan probe

 #141
20060218991
2006-10-05

Device, method and computer programme product for carrying out integrity tests on filter elements

 #142
20060216465
2006-09-28

Honeycomb stucture

 #143
20060151926
2006-07-13

Method and system for identifying and repairing defective cells in a plugged honeycomb structure

 #144
20060150597
2006-07-13

Honeycomb structure and method of manufacturing the same

 #145
20060112757
2006-06-01

Filter housing assembly with leak testable aerosol injection port

 #146
20060107641
2006-05-25

Honeycomb filter and method of manufacturing the same

 #147
20060053864
2006-03-16

Axial flow scan testable filter system

 #148
20060042359
2006-03-02

Scan testable filter housing assembly for exhaust applications

 #149
20050265801
2005-12-01

Self-attaching nut

 #150
20050163590
2005-07-28

Self-attaching nut

 #151
20050138921
2005-06-30

Exhaust emission control system, method of calculating pressure loss of filter, and method of manufacturing filter

 #152
20050120691
2005-06-09

Exhaust gas purifying filter

 #153
20050027484
2005-02-03

Device, method and computer program product for carrying out integrity tests on filter elements

 #154
16251060
2020-05-05

Clogged dust filter monitor

 #155
14988717
2018-12-04

Remote aerosol injection systems and methods for use