ClassID:

29455

B01D46/0032 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters

Recent Application in this class:
#1
20260145110
2026-05-28

AIR PURIFICATION SYSTEM

#2
20260138872
2026-05-21

SYSTEMS AND METHODS FOR LOCAL GENERATION AND/OR CONSUMPTION OF HYDROGEN GAS

#3
20260138069
2026-05-21

FILTER DEVICE WITH A FILTER MEDIUM COMPRISING AN ELECTRICALLY CONDUCTIVE MATERIAL

#4
20260124571
2026-05-07

SYSTEMS AND METHODS FOR REMOVING ORGANIC COMPOUNDS FROM THE OUTPUT OF PYROLYSIS OR OTHER REACTORS

#5
20260115638
2026-04-30

ELECTRET-CONTAINING FILTER MEDIA

#6
20260070067
2026-03-12

ELECTRONICALLY ENHANCED AIR CLEANER WITH MULTIPLE FILTERS AND ENERGY GRIDS

#7
20250383097
2025-12-18

RANGE HOOD

#8
20250375727
2025-12-11

AIR PURIFICATION DEVICE AND CONTROL METHOD THEREOF

#9
20250339805
2025-11-06

AN AUTOMATED AIR FILTRATION SYSTEM FOR CONTINOUS REMOVAL OF AEROSOLS

#10
20250339799
2025-11-06

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

#11
20250332598
2025-10-30

Air Filter and Air Filter Assembly

#12
20250305720
2025-10-02

FAN MOUNTED AIR FILTER DEVICE

#13
20250276146
2025-09-04

SELF-SEALING RESPIRATORY FILTER AND CONDENSATE MANAGEMENT APPARATUS

#14
20250235809
2025-07-24

AIR PURIFICATION SYSTEM

#15
20250229206
2025-07-17

AIR CLEANING MODULE AND AIR CLEANING DEVICE

#16
20250196159
2025-06-19

AIR FILTER UNIT

#17
20250196158
2025-06-19

AIR FILTER UNIT AND USE OF THE AIR FILTER UNIT IN A MOTOR VEHICLE

#18
20250186928
2025-06-12

EXPANDABLE PLEATED AIR FILTERS

#19
20250186917
2025-06-12

METHOD FOR PRODUCING A FILTER ELEMENT

#20
20250177899
2025-06-05

AIR PURIFIER AND AIR PURIFYING APPARATUS COMPRISING SAME

#21
20250177897
2025-06-05

FILTRATION MEMBER FOR ANTIVIRAL AIR FILTER

#22
20250128199
2025-04-24

SYSTEMS AND METHODS FOR REMOVING ORGANIC COMPOUNDS FROM THE OUTPUT OF PYROLYSIS OR OTHER REACTORS

#23
20250108240
2025-04-03

ARTICLE OF PERSONAL PROTECTIVE EQUIPMENT

#24
20250090985
2025-03-20

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

#25
20250058257
2025-02-20

ELECTRET AND ELECTRET FILTER

#26
20250033065
2025-01-30

AIR PURIFICATION FILTER DEVICE USING X-RAY IONIZER

#27
20250026182
2025-01-23

AIR FILTER AND VEHICLE AIR CONDITIONER EQUIPPED THEREWITH

#28
20250025889
2025-01-23

AIR FILTERING PROCESS AND HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM

#29
20250025888
2025-01-23

AIR FILTERING DEVICE AND VEHICLE AIR CONDITIONER EQUIPPED THEREWITH

#30
20250025819
2025-01-23

V-BANK FILTER

#31
20240416264
2024-12-19

GERMICIDAL DEVICE FOR AIR AND FOR LIQUIDS

#32
20240374939
2024-11-14

MASK APPARATUSES AND APPROACH WITH INTERFACE SEAL

#33
20240342661
2024-10-17

RECYCLABLE ELECTRET FILTERING MEMBRANE, PREPARATION METHOD THEREFOR AND CLEANING AND CHARGE REGENERATION METHOD THEREFOR

#34
20240307808
2024-09-19

Air Filter and Method for Manufacturing an Air Filter

#35
20240278157
2024-08-22

INDOOR UNIT FOR AIR CONDITIONER

#36
20240261799
2024-08-08

Air cleaner, air cleaner system, and air-conditioning apparatus

#37
20240246092
2024-07-25

Filter and manufacturing method thereof

#38
20240246016
2024-07-25

FILTER HAVING A COIL ARRANGEMENT AND FILTER ASSEMBLY HAVING SUCH A FILTER

#39
20240226807
2024-07-11

ENERGY OPTIMIZATION IN COMBINED WASTE GAS TREATMENT AND CARBON CAPTURE SYSTEMS

#40
20240207764
2024-06-27

HIGH PERFORMANCE FILTER MEDIA

#41
20240125487
2024-04-18

AIR PURIFICATION DEVICE AND AIR CONDITIONER

#42
20240123267
2024-04-18

Fine particle pollution filtering face mask suitable for aerobic exercise

#43
20240053037
2024-02-15

AIR FILTER FOR PRODUCTION WORKSHOP

#44
20240049764
2024-02-15

METHOD TO CHECK A COFFEE BEANS ROASTING SYSTEM

#45
20240042366
2024-02-08

AUTOMATICALLY RENEWING AIR FILTER

#46
20240042252
2024-02-08

Personal protective equipment face coverings with inherently ionic material

#47
20240016206
2024-01-18

REDUCED ODOR SMOKING SYSTEM AND METHOD

#48
20230390688
2023-12-07

WASHABLE FINE DUST FILTER MODULE USING NANO FIBER

#49
20230390684
2023-12-07

SIDELOAD DISINFECTING MODULAR FILTRATION SYSTEM

#50
20230364544
2023-11-16

A PANEL FOR AN AIR CIRCULATION SYSTEM

#51
20230356135
2023-11-09

AIR CLEANING DEVICE

#52
20230338605
2023-10-26

AN AIR PURIFICATION SYSTEM AND METHOD

#53
20230321668
2023-10-12

AIR PURIFIER AND CLEANING METHOD FOR THE SAME

#54
20230304906
2023-09-28

Devices, systems and methods for elution of particles from flat filters

#55
20230296284
2023-09-21

INTEGRATED VENTILATION REGISTER FILTER

#56
20230294028
2023-09-21

Apparatus and Method for Enhanced Filtration Utilizing Electric Fields and Filter Media with Conductive Polymeric Coatings

#57
20230278043
2023-09-07

DUST COLLECTION FILTER AND DUST COLLECTION FILTER MANUFACTURING METHOD

#58
20230249195
2023-08-10

AIR PURIFICATION UNIT AND METHOD FOR COATING AN ELECTRODE OF AN AIR PURIFICATION UNIT

#59
20230249113
2023-08-10

DUST COLLECTING FILTER AND METHOD FOR MANUFACTURING DUST COLLECTING FILTER

#60
20230201753
2023-06-29

AN IMPROVED MECHANICAL ELECTROSTATIC FILTER ASSEMBLY

#61
20230201752
2023-06-29

Filter module

#62
20230191306
2023-06-22

BREATHING TUBE FILTER AND FILTER ASSEMBLY

#63
20230173425
2023-06-08

SYSTEM AND METHOD FOR MAINTAINING, MONITORING AND/OR IMPROVING AIR QUALITY AND PURITY IN AT LEAST ONE ROOM OR ENVIRONMENT

#64
20230166135
2023-06-01

RESPIRATOR MASK WITH A FILTER

#65
20230142796
2023-05-11

Indoor unit for air conditioner

#66
20230089270
2023-03-23

DUAL APPLICATION NANOPARTICLE COATED FILTRATION SYSTEM FOR AIR POLLUTION AND VIRUS ABATEMENT

#67
20230084981
2023-03-16

PARTICLE CAPTURING SYSTEM AND PARTICLE CAPTURING METHOD

#68
20230073716
2023-03-09

STORAGE CONTAINER WTIH FILTRATION SYSTEM

#69
20230041569
2023-02-09

METHOD FOR DRYING A SMOKE FILTER UNIT

#70
20230033719
2023-02-02

Personal protective equipment that employs nanoparticles of two different metals that generate an electric field for inactivating microorganisms

#71
20220395773
2022-12-15

Medical Mask Restoring Device

#72
20220379319
2022-12-01

AIR PURIFYING FILTER

#73
20220370943
2022-11-24

HVAC home air filter

#74
20220364737
2022-11-17

INTERNAL CIRCULATION TYPE LAMPBLACK PURIFIER

#75
20220347609
2022-11-03

FILTER MEDIUM AND COMPOSITE FILTER INCLUDING SAME

#76
20220331815
2022-10-20

ELECTROSTATIC FILTER UNIT FOR AN AIR CLEANING DEVICE AND AIR CLEANING DEVICE

#77
20220330630
2022-10-20

Air delivery system having dual configuration air filtration assembly

#78
20220315424
2022-10-06

SYSTEMS AND METHODS FOR LOCAL GENERATION AND/OR CONSUMPTION OF HYDROGEN GAS

#79
20220314155
2022-10-06

FRONT-LOADED INLINE MODULAR FILTRATION SYSTEM

#80
20220314042
2022-10-06

Personal Air Filter Utilizing Mechanical, Chemical and Electrostatic Filter Media

#81
20220304361
2022-09-29

SYSTEM FOR ROASTING COFFEE BEANS

#82
20220297047
2022-09-22

HVAC Home Air Filter

#83
20220297040
2022-09-22

PEELABLE FILTERS PERMITTING DAMAGE FREE REMOVAL

#84
20220297039
2022-09-22

Surface-enhanced copper filter for air purification and system and method for using

#85
20220288560
2022-09-15

ELECTRET AND FILTER USING THE SAME

#86
20220274040
2022-09-01

REMOVAL OF VOCS AND FINE PARTICULATE MATTER BY METAL ORGANIC FRAMEWORKS COATED ELECTRET MEDIA (E-MOFILTER)

#87
20220258087
2022-08-18

Conductive filter unit, conductive filter module including conductive filter unit, and fine dust removal system including conductive filter module

#88
20220250003
2022-08-11

INHIBITOR REMOVAL SYSTEM FOR SENSOR DETECTION

#89
20220205702
2022-06-30

Refrigerator

#90
20220203379
2022-06-30

Filter and manufacturing method thereof

#91
20220203142
2022-06-30

Face mask with Microporous Filter Membrane Layer

#92
20220203141
2022-06-30

Personal protective equipment that employs an electric field for inactivating microorganisms

#93
20220184433
2022-06-16

AIR TREATMENT SYSTEM

#94
20220168681
2022-06-02

FACE MASK WITH ELECTRICALLY ACTIVE COVID-19 FILTERATION

#95
20220168680
2022-06-02

Electrostatic air filter for electric vehicle motors

#96
20220168678
2022-06-02

PORTABLE AIR PURIFIER

#97
20220161172
2022-05-26

NICKEL-BASED AIRBORNE PATHOGEN INHIBITOR AGAINST MICROBES, INCLUDING COVID-19

#98
20220152542
2022-05-19

HVAC home air filter

#99
20220146297
2022-05-12

Multifunctional dust trap

#100
20220143435
2022-05-12

ACTIVE FACE SHIELD AND RELATED SYSTEMS AND METHODS

#101
20220126226
2022-04-28

ELECTRET-CONTAINING FILTER MEDIA

#102
20220111235
2022-04-14

Disposable Masks with Improved Life Span

#103
20220080341
2022-03-17

NONWOVEN ANTIMICROBIAL AND ANTIVIRAL PROTECTIVE BARRIER

#104
20220065474
2022-03-03

ENVIRONMENT MANAGEMENT SYSTEM

#105
20220062918
2022-03-03

Apparatus and Method for Enhancing Filtration of Airborne Contaminants Via Eccentric Particle Movements

#106
20220062664
2022-03-03

Potential Feedback Human Breath Filtration Device

#107
20220057092
2022-02-24

GAS PURIFYING AND PROCESSING METHOD FOR EXERCISE ENVIRONMENT

#108
20220054968
2022-02-24

Uniformly expandable air filter

#109
20220054964
2022-02-24

FILTER MEDIA STRUCTURES

#110
20220054961
2022-02-24

ELECTRET-CONTAINING FILTER MEDIA

#111
20220054787
2022-02-24

Self-sealing respiratory filter and condensate management apparatus

#112
20220047977
2022-02-17

AIR FILTRATION SYSTEM, AIR FILTRATION DEVICE, AND AIR FILTRATION MODULE FOR USE THEREWITH

#113
20220040625
2022-02-10

V-Bank filter

#114
20220040616
2022-02-10

Facepiece electrostatic charging devices and methods thereof

#115
20220032096
2022-02-03

FACEMASK FILTER ASSEMBLY

#116
20220023882
2022-01-27

Fine dust collecting filter device

#117
20220023828
2022-01-27

Electrostatic adsorption mask

#118
20220023790
2022-01-27

NECK-MOUNTED AIR PURIFIER

#119
20220001393
2022-01-06

ELECTROSTATIC INDUCTION-TYPE AIR FILTRATION DUST COLLECTING APPARATUS AND METHOD

#120
20210396405
2021-12-23

CENTRALIZED AEROSOL SOURCE EXTRACTION AND FILTRATION SYSTEM

#121
20210394197
2021-12-23

ANTI-VIRUS MASK

#122
20210393845
2021-12-23

PHOTO-ELECTRONIC AIR DISINFECTOR

#123
20210379518
2021-12-09

FILTER MEDIA AND METHODS OF MAKING AND USING

#124
20210379316
2021-12-09

RESPIRATORY FILTER AND CONDENSATE MANAGEMENT APPARATUS

#125
20210370217
2021-12-02

System and method for maintaining, monitoring and/or improving air quality and purity in at least one room or environment

#126
20210354064
2021-11-18

Antimicrobial and Antiviral Protective Barrier

#127
20210346832
2021-11-11

AIR FILTERS COMPRISING METAL-CONTAINING POLYMERIC SORBENTS

#128
20210339180
2021-11-04

Air purification system and internet of things artificial intelligence control apparatus

#129
20210330168
2021-10-28

Robotic vacuum cleaner and docking station for a robotic vacuum cleaner

#130
20210330167
2021-10-28

Robotic vacuum cleaner and docking station for a robotic vacuum cleaner

#131
20210330156
2021-10-28

Robotic vacuum cleaner and docking station for a robotic vacuum cleaner

#132
20210330155
2021-10-28

Robotic vacuum cleaner and docking station for a robotic vacuum cleaner

#133
20210322909
2021-10-21

NANOPOROUS METAL FOAM GAS AND FLUID FILTERS

#134
20210322799
2021-10-21

Z-SHIELD FILTERED AIR PROTECTIVE SYSTEM

#135
20210322797
2021-10-21

REUSABLE BREATHING MASK USING DISPOSABLE RECYCLABLE FLEXIBLE MATERIALS

#136
20210310166
2021-10-07

FIBER STRUCTURE AND APPLICATION THEREOF

#137
20210308629
2021-10-07

METHOD FOR PRODUCING A PERMEABLE MATERIAL THAT FILTERS OUT HARMFUL PARTICLES AND PRODUCTS CREATED THEREFROM

#138
20210252443
2021-08-19

Air filter apparatus, system and method

#139
20210252207
2021-08-19

Virus-collecting filter for medical aspirator system

#140
20210245087
2021-08-12

Miniature gas detection and purification device

#141
20210231053
2021-07-29

Air filtration assemblies for gas turbine systems and methods for filtering intake air in gas turbine systems

#142
20210229023
2021-07-29

Pleated air filter with reinforcing filaments comprising locally-thinned bending zones

#143
20210229022
2021-07-29

Pleated air filter with bridging filaments and continuous-contact filaments

#144
20210229012
2021-07-29

Air-filter media comprising a relofted spunbonded web, and methods of making and using

#145
20210215361
2021-07-15

Fume Extraction Device

#146
20210197110
2021-07-01

Ventilation type air cleaner and ventilation system having the same

#147
20210188050
2021-06-24

Gas detection and purification device

#148
20210187425
2021-06-24

AIR FILTER DEVICES WITH GAP SEALING UNIT

#149
20210178304
2021-06-17

Electret-containing filter media

#150
20210178303
2021-06-17

Flame-retardant antibacterial composite polypropylene filter material and preparation method thereof

#151
20210172631
2021-06-10

Outdoor air cleaning system

#152
20210170319
2021-06-10

Filtering device for use with a ceiling fan

#153
20210156569
2021-05-27

Air flow management for cooking system

#154
20210129632
2021-05-06

Self cleaning of ride sharing vehicle

#155
20210121804
2021-04-29

WASHABLE HVAC FILTER AND FILTER MEDIA

#156
20210063962
2021-03-04

Image forming apparatus with particle collector

#157
20210046410
2021-02-18

Multilayer filter material

#158
20210036216
2021-02-04

System and method for making electret media

#159
20210001255
2021-01-07

Electretized sheet and filter

#160
20200398207
2020-12-24

Filter module and air purifier having the same

#161
20200391222
2020-12-17

Ventilation assembly

#162
20200391147
2020-12-17

FILTER MEDIUM

#163
20200376498
2020-12-03

Variable bidirectional electrostatic filter system with adjustable distance between charging part and dust collecting part

#164
20200370768
2020-11-26

Air treatment device for a ventilation air inlet

#165
20200360936
2020-11-19

Electrostatic precipitating apparatus and air conditioning system having same

#166
20200348217
2020-11-05

Devices, systems and methods for elution of particles from flat filters

#167
20200289989
2020-09-17

METHOD FOR PRODUCING A PERMEABLE MATERIAL THAT FILTERS OUT HARMFUL PARTICLES AND PRODUCTS CREATED THEREFROM

#168
20200261670
2020-08-20

NASAL FILTER POD

#169
20200230611
2020-07-23

Electrification device and electrical dust collecting apparatus including the same

#170
20200230539
2020-07-23

HVAC home air filter

#171
20200179945
2020-06-11

Electrical filter structure

#172
20200179903
2020-06-11

Air Filters Comprising Metal-Containing Sorbents for Nitrogen-Containing Compounds

#173
20200179854
2020-06-11

REUSABLE AIR FILTER DEVICE

#174
20200109869
2020-04-09

Electrical filter structure

#175
20200103127
2020-04-02

Air filter system and HVAC system

#176
20200073348
2020-03-05

Design, control and operation of filters for turbomachines

#177
20200061635
2020-02-27

SCRIMLESS AND/OR ARAMID FILTER MEDIA

#178
20200054977
2020-02-20

Spun-bonded fabric material, object comprising a spun-bonded fabric material, filter medium, filter element, and use thereof

#179
20200023299
2020-01-23

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#180
20200023298
2020-01-23

Frameless EMC air filter

#181
20200016523
2020-01-16

HVAC home air filter

#182
20200009489
2020-01-09

ELECTRET-TREATED SHEET AND FILTER

#183
20190388904
2019-12-26

AIR CLEAN FILTER, HYBRID AIR CLEAN FILTER AND AIR CLEANER

#184
20190374893
2019-12-12

Multilayer filter screen and manufacturing method thereof

#185
20190358689
2019-11-28

Method and system for thermal desorption treatment of organic-contaminated soil and treatment of desorbed waste gas

#186
20190353933
2019-11-21

Glasses having air purification function

#187
20190344288
2019-11-14

Filter

#188
20190343264
2019-11-14

Source capture apparatus for manicure tables

#189
20190321769
2019-10-24

Indoor unit for air conditioner

#190
20190314751
2019-10-17

Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone

#191
20190275454
2019-09-12

Air filters comprising metal-containing polymeric sorbents

#192
20190262759
2019-08-29

Nestable framed pleated air filter and method of making

#193
20190247775
2019-08-15

FILTER ASSEMBLY WITH SALT FILTER

#194
20190240676
2019-08-08

Multi-domain electrostatic filter

#195
20190224599
2019-07-25

IMPROVED AIR PURIFICATION FILTER

#196
20190209954
2019-07-11

IMPROVED ROOM AIR PURIFIERS AND FILTRATION MEDIA

#197
20190209728
2019-07-11

Anti-Bacterial Air Filtering Apparatus

#198
20190195098
2019-06-27

Electrostatic oil mist separator for internal combustion engine

#199
20190181479
2019-06-13

Air cleaner for fuel cell vehicle

#200
20190168144
2019-06-06

FILTER MEDIUM AND PRODUCTION METHOD FOR FIBROUS STRUCTURE FOR FILTER MEDIUM

#201
20190154290
2019-05-23

Artificial intelligence air conditioner and control method thereof

#202
20190150628
2019-05-23

Air purification tent

#203
20190126176
2019-05-02

Filter medium, method of manufacturing the same and uses thereof

#204
20190083990
2019-03-21

Air purifier

#205
20190076774
2019-03-14

Acoustic aided air filter and a method of air filtration thereof

#206
20190060818
2019-02-28

FILTER INCLUDING NANOFIBER, APPARTUS AND METHOD MANUFACTURING THE SAME

#207
20190054409
2019-02-21

Air conditioner filter and method of manufacture

#208
20180345194
2018-12-06

Air filter devices with gap sealing unit

#209
20180319256
2018-11-08

Ventilation system in a mobile structure and method for operating a ventilation system in a mobile structure

#210
20180310761
2018-11-01

Grilling machine

#211
20180301292
2018-10-18

Arc extinguishing gas filtering device for electrical current switchgear and electrical current switchgear comprising this filtering device

#212
20180264391
2018-09-20

System and method for maintaining, monitoring and/or improving air quality and purity in at least one room or environment

#213
20180258693
2018-09-13

Window blinds that collect dust from air using electrostatic charge

#214
20180243674
2018-08-30

ELECTRET-CONTAINING FILTER MEDIA

#215
20180236389
2018-08-23

Electret-containing filter media

#216
20180236384
2018-08-23

Electret-containing filter media

#217
20180231514
2018-08-16

Ultra-low power digital chemical analyzers

#218
20180207572
2018-07-26

Reusable air filter

#219
20180178154
2018-06-28

SEPARATING APPARATUS

#220
20180177370
2018-06-28

Separating apparatus

#221
20180169290
2018-06-21

Ion generator mounting device

#222
20180153441
2018-06-07

Device mouthpiece

#223
20180149368
2018-05-31

Tabletop cooking assembly

#224
20180111074
2018-04-26

Pattern coated filter and method

#225
20180085698
2018-03-29

Stacked body

#226
20180064968
2018-03-08

Wearable Air Purifier

#227
20180056237
2018-03-01

Air cleaner for fuel cell system

#228
20180056219
2018-03-01

FILTER MATERIAL FOR AIR FILTER

#229
20180055966
2018-03-01

Ion generator device

#230
20180043294
2018-02-15

Electret fiber sheet

#231
20180015405
2018-01-18

Waved filter media and elements

#232
20180008927
2018-01-11

AIR FILTERING PIPE

#233
20180001247
2018-01-04

MULTI-LAYERED ELECTRET-CONTAINING FILTRATION MEDIA

#234
20180001244
2018-01-04

MULTI-LAYERED ELECTRET-CONTAINING FILTRATION MEDIA

#235
20170348624
2017-12-07

Reusable air filter device

#236
20170278653
2017-09-28

Electrical apparatus for breaking an electric current in air comprising an improved extinguishing gas filtering device

#237
20170261201
2017-09-14

Method for combustion of multiple fuels

#238
20170241656
2017-08-24

POWERED WINDOW AIR FILTER

#239
20170241193
2017-08-24

WINDOW AIR FILTER

#240
20170241192
2017-08-24

ADJUSTABLE AIR FILTER

#241
20170241054
2017-08-24

Spunbonded web comprising polylactic acid fibers

#242
20170216756
2017-08-03

Uniformly expandable air filter

#243
20170216750
2017-08-03

Filtration material, filter element using same, and manufacturing method of filtration material

#244
20170197171
2017-07-13

Acoustic aided air filter and a method of air filtration thereof

#245
20170189914
2017-07-06

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#246
20170189844
2017-07-06

Smart air filter and systems and methods for predicting failure of an air filter

#247
20170182446
2017-06-29

HVAC FILTRATION SYSTEM

#248
20170167120
2017-06-15

Thermo Water

#249
20170128870
2017-05-11

MOBILE PURIFICATION DEVICE AND METHOD FOR PURIFYING INDOOR AIR AND/OR FRESH AIR

#250
20170121875
2017-05-04

Electret webs with charge-enhancing additives

#251
20170115192
2017-04-27

Devices, systems and methods for elution of particles from flat filters

#252
20170113170
2017-04-27

Electret

#253
20170086504
2017-03-30

Evapor Mask Delivery System

#254
20170080369
2017-03-23

Remote fluorination of fibrous filter webs

#255
20170072406
2017-03-16

Filtering medium and air purifier

#256
20170072354
2017-03-16

Apparatus to purify fresh air using biodegradable filter

#257
20170067659
2017-03-09

NESTED DUCT AIR CIRCULATION SYSTEM

#258
20170066210
2017-03-09

Polymeric netting of ribbons and strands and methods of making the same

#259
20170065923
2017-03-09

Filtration medium including polymeric netting of ribbons and strands

#260
20170050058
2017-02-23

Mouthheld filter apparatus

#261
20170036218
2017-02-09

SELF-SUPPORT ELECTROSTATIC FILTER AND A FILTERING DEVICE THEREOF

#262
20170036151
2017-02-09

Recirculation filter for an electronics enclosure

#263
20170028407
2017-02-02

AIR TREATMENT DEVICE

#264
20170028096
2017-02-02

Ion generator device

#265
20170021298
2017-01-26

HVAC home air filter

#266
20170014757
2017-01-19

Plasma filtration device

#267
20170007952
2017-01-12

Interlaced Filtration Barrier

#268
20170007950
2017-01-12

Interlaced filtration barrier

#269
20170000921
2017-01-05

Ion generator mounting device

#270
20160377093
2016-12-29

Air blower

#271
20160367924
2016-12-22

Laminated nonwoven fabric, air purifier, and manufacturing method of laminated nonwoven fabric

#272
20160353704
2016-12-08

Method and system for monitoring air flow impurity

#273
20160332170
2016-11-17

Air cleaning device

#274
20160317963
2016-11-03

HVAC home air filter

#275
20160310884
2016-10-27

Air quality indicator

#276
20160303499
2016-10-20

Corrugated filtration media for polarizing air cleaner

#277
20160296773
2016-10-13

Filtering device

#278
20160282000
2016-09-29

Filter device for air conditioning

#279
20160279556
2016-09-29

AIR PURIFICATION APPARATUS AND METHOD

#280
20160271544
2016-09-22

Honeycomb structure

#281
20160263515
2016-09-15

Collapsible air filter

#282
20160263511
2016-09-15

Laminated Filtration Media

#283
20160250649
2016-09-01

Filter

#284
20160245507
2016-08-25

System and method for combustion of multiple fuels

#285
20160236131
2016-08-18

Dust collector and projection apparatus with same

#286
20160220927
2016-08-04

Filtration media fiber structure and method of making same

#287
20160175851
2016-06-23

Electrically-driven particulate agglomeration in a combustion system

#288
20160160716
2016-06-09

Oil separator

#289
20160144312
2016-05-26

Nestable framed pleated air filter and method of making

#290
20160101463
2016-04-14

Manufacturing in microgravity and varying external force environments

#291
20160084508
2016-03-24

Tabletop cooking assembly

#292
20160016105
2016-01-21

Air purifier

#293
20150367268
2015-12-24

FILTRATION MEDIUM

#294
20150354872
2015-12-10

Air conditioner with selective filtering for air purification

#295
20150354871
2015-12-10

Air Conditioner with selective filtering for air purification

#296
20150354838
2015-12-10

Air conditioner with selectable supplemental compressor cooling

#297
20150246361
2015-09-03

METHOD AND DEVICE FOR SEPARATING FINE-GRAINED FRACTIONS FROM THE CINDERS OF A WASTE INCINERATION PLANT

#298
20150231543
2015-08-20

Air purifier device with fan duct

#299
20150231542
2015-08-20

Air purifier device with coupling mechanism

#300
20150196924
2015-07-16

Recirculation filter for an electronic enclosure