ClassID:

35587

B03C3/32 - CPC Classification

Classification description:

Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect Transportable units, e.g. for cleaning room air

Recent Application in this class:
#1
20250312802
2025-10-09

ELECTRO-IONIC MASK DEVICES FOR IMPROVED PROTECTION FROM AIRBORNE BIOPATHOGENS

#2
20240369377
2024-11-07

COLLECTION DEVICE CONTROL METHOD, COLLECTION DEVICE, AND SPATIAL SYSTEM

#3
20240351048
2024-10-24

AIR PURIFIER DEVICE

#4
20240298658
2024-09-12

FOOD FRESHNESS MAINTENANCE SYSTEM AND FRESHNESS MAINTENANCE AND TRANSFER DEVICE

#5
20240261796
2024-08-08

WEARABLE AIR PURIFIER

#6
20240216928
2024-07-04

PERSONAL RECHARGEABLE PORTABLE IONIC AIR PURIFIER

#7
20240181469
2024-06-06

Electro-ionic mask devices for improved protection from airborne biopathogens

#8
20240042252
2024-02-08

Personal protective equipment face coverings with inherently ionic material

#9
20240001375
2024-01-04

ELECTRO-IONIC MASK DEVICES FOR IMPROVED PROTECTION FROM AIRBORNE BIOPATHOGENS

#10
20240001176
2024-01-04

Electro-ionic mask devices for improved protection from airborne biopathogens

#11
20230270908
2023-08-31

APPARATUS FOR SEDIMENTATION AND OXIDATION OF FINE DUST AND AEROSOLS AND ORGANIC LOADS SUCH AS VIRUSES IN A DEVICE, AND FOR ELECTROSTATIC AND ELECTROCHEMICAL OR PHOTOCHEMICAL PROCESSESING OF THE AIR SUPPLIED BY THE DEVICE TO A ROOM FOR ANALOG PROCESSES IN THE ROOM

#12
20230256375
2023-08-17

WAVY VORTEX AIR PURIFIER

#13
20230118225
2023-04-20

MOVEABLE IONIZATION UNIT FOR CLEANING AIR IN A ROOM WITH A SUPPORT STRUCTURE

#14
20230067491
2023-03-02

Wireless rechargeable and portable anti-microbial respirator

#15
20220330629
2022-10-20

Face shield, monitoring system and barrier formation in the same

#16
20220203141
2022-06-30

Personal protective equipment that employs an electric field for inactivating microorganisms

#17
20220143435
2022-05-12

ACTIVE FACE SHIELD AND RELATED SYSTEMS AND METHODS

#18
20220048046
2022-02-17

Portable ionization unit for attachment to an overhead airflow nozzle

#19
20220032318
2022-02-03

Wearable air purifier

#20
20220023882
2022-01-27

Fine dust collecting filter device

#21
20210394202
2021-12-23

IONIZERS HAVING CARBON NANOTUBE ION EMITTING HEADS

#22
20210331006
2021-10-28

Head-mounted Air Purifier

#23
20210308693
2021-10-07

Personal rechargeable portable ionic air purifier

#24
20210291198
2021-09-23

Releasable dust mitigation covering

#25
20210283432
2021-09-16

Helmet

#26
20210205821
2021-07-08

Ion generating device, method for manufacturing same, and air conditioner

#27
20210107013
2021-04-15

Air cleaner

#28
20200156084
2020-05-21

GAS PURIFYING DEVICE

#29
20190275534
2019-09-12

Personal rechargeable portable ionic air purifier

#30
20190177011
2019-06-13

Multi-use dust mitigation system

#31
20190123518
2019-04-25

Portable air ionizer

#32
20190117820
2019-04-25

Personal air treatment system and method

#33
20190039076
2019-02-07

Personal electrostatic bioaerosol sampler with high sampling flow rate

#34
20180369833
2018-12-27

ION GENERATING DEVICE, METHOD FOR MANUFACTURING SAME, AND AIR CONDITIONER

#35
20180266922
2018-09-20

Particulate air sampling using ferroelectric materials

#36
20180200729
2018-07-19

Systems and methods for cleaning air

#37
20180193678
2018-07-12

Air purifier having an electret module

#38
20180169665
2018-06-21

Air cleaner for air conditioner

#39
20180072136
2018-03-15

Apparatus for improving vehicle internal air

#40
20170120182
2017-05-04

Air freshener

#41
20170120181
2017-05-04

Air freshener

#42
20170106218
2017-04-20

Portable electronic device with a smart air purifier

#43
20160332170
2016-11-17

Air cleaning device

#44
20160332169
2016-11-17

ELECTRIC DUST COLLECTION DEVICE AND AIR CONDITIONER USING THE SAME

#45
20160184834
2016-06-30

Portable air cleaner with improved multi-stage electrostatic precipitator

#46
20160030949
2016-02-04

Systems and methods for cleaning air

#47
20150377500
2015-12-31

Electric dust collecting device and air conditioner having the same

#48
20150352564
2015-12-10

Personal rechargeable portable ionic air purifier

#49
20150352479
2015-12-10

Air cleaner

#50
20150266031
2015-09-24

Combined ionic air filter and humidifier apparatus

#51
20150182976
2015-07-02

Air purifier

#52
20150040760
2015-02-12

Direct impact aerosol sampling by electrostatic precipitation

#53
20140150797
2014-06-05

Air purifier having an electret module

#54
20130284024
2013-10-31

Electrostatic collecting system for suspended particles in a gaseous medium

#55
20130233172
2013-09-12

Portable air cleaner with improved multi-stage electrostatic precipitator

#56
20130206009
2013-08-15

Vertical type air humidifying and purifying machine

#57
20130202412
2013-08-08

Fan

#58
20130061754
2013-03-14

Air purifier

#59
20130047847
2013-02-28

Electrostatic collection device of particles in suspension in a gaseous environment

#60
20120097028
2012-04-26

Electrode cleaning in an electro-kinetic air mover

#61
20120085921
2012-04-12

Ion generation method, ion generation apparatus, and electric equipment using the same

#62
20110286892
2011-11-24

ELECTRO-KINETIC AIR MOVER WITH UPSTREAM FOCUS ELECTRODE SURFACES

#63
20110203593
2011-08-25

MASK

#64
20110139889
2011-06-16

Fine particle diffusion device

#65
20110133098
2011-06-09

Ion diffusing apparatus and ion generating cartridge

#66
20110006216
2011-01-13

Air filtration and purification system

#67
20100307332
2010-12-09

SUPERCHARGED ELECTROSTATIC AIR FILTRATION DEVICE

#68
20100236411
2010-09-23

Collector modules for devices for removing particles from a gas

#69
20100162894
2010-07-01

Electro-kinetic air mover with upstream focus electrode surfaces

#70
20100132560
2010-06-03

Indoor air cleaner

#71
20100095848
2010-04-22

AIR PURIFIER AND AIR CONDITIONER HAVING THE SAME

#72
20100031823
2010-02-11

Electrostatic filter cartridge for a tower air cleaner

#73
20100000540
2010-01-07

Device for extracting particles from exhaled breath

#74
20090301299
2009-12-10

High volume, multiple use, portable precipitator

#75
20090262482
2009-10-22

Ionizer

#76
20090235817
2009-09-24

Adsorptive gas sampler using ionic nano-droplets

#77
20090207547
2009-08-20

Ion Blower

#78
20090202397
2009-08-13

SYSTEM AND METHOD FOR DELIVERING AND CONDITIONING AIR TO REDUCE VOLATILE ORGANIC COMPOUNDS AND OZONE

#79
20090178562
2009-07-16

Merchandise sales processing apparatus

#80
20090114091
2009-05-07

Apparatus For Producing Water And Dehumidifying Air

#81
20080314250
2008-12-25

Electrostatic filter cartridge for a tower air cleaner

#82
20080307972
2008-12-18

Air purifier and light

#83
20080295687
2008-12-04

Device for air/water extraction by semi-humid electrostatic collection and method using same

#84
20080219896
2008-09-11

AIR PURIFIER

#85
20080202335
2008-08-28

Ionization detector for electrically enhanced air filtration systems

#86
20080156186
2008-07-03

Dual-filter electrically enhanced air-filtration apparatus and method

#87
20080092743
2008-04-24

AIR TREATMENT APPARATUS HAVING A STRUCTURE DEFINING AN ARRAY OF OPENINGS

#88
20080086994
2008-04-17

Mobile air decontamination and purification unit

#89
20080053307
2008-03-06

Air purifier with Ozone reduction arrangement

#90
20080050288
2008-02-28

AIR PURIFICATION MEMBER, AIR PURIFICATION UNIT AND AIR CONDITIONING APPARATUS

#91
20080034976
2008-02-14

Air cleaner including touch points

#92
20080006158
2008-01-10

Air cleaner and air cleaner diagnostic process

#93
20070295213
2007-12-27

AIR PURIFICATION MEMBER, AIR PURIFICATION UNIT AND AIR CONDITIONING APPARATUS

#94
20070266855
2007-11-22

Airplane air purifier

#95
20070240575
2007-10-18

Corona ground element

#96
20070221061
2007-09-27

Air purifier

#97
20070214958
2007-09-20

Air purifier with front-load electrodes

#98
20070209701
2007-09-13

PORTABLE PEDESTAL AIR FILTERING DEVICE

#99
20070180996
2007-08-09

Tower air cleaner with improved airflow

#100
20070157813
2007-07-12

Safety lid for air conditioning device and method of use

#101
20070148061
2007-06-28

Electro-kinetic air transporter and/or air conditioner with devices with features for cleaning emitter electrodes

#102
20070034082
2007-02-15

Air purifier

#103
20070009406
2007-01-11

ELECTROSTATIC AIR CONDITIONER DEVICES WITH ENHANCED COLLECTOR ELECTRODE

#104
20060278080
2006-12-14

Negative ion air purifier

#105
20060278074
2006-12-14

Electrostatic air purifier with a laterally removable collection grid module

#106
20060203416
2006-09-14

Air conditioner device with partially insulated collector electrode

#107
20060196360
2006-09-07

Air purifier

#108
20060180027
2006-08-17

Ionic air conditioning system

#109
20060162564
2006-07-27

Air cleaner with improved airflow

#110
20060150818
2006-07-13

Air cleaning member, air cleaning unit and air conditioner

#111
20060130657
2006-06-22

Tower ionizer air cleaner

#112
20060114637
2006-06-01

Fanless building ventilator

#113
20060112708
2006-06-01

Corona-discharge air mover and purifier for packaged terminal and room air conditioners

#114
20060107834
2006-05-25

Electrostatic room air cleaner

#115
20060021509
2006-02-02

Air conditioner device with a removable driver electrode

#116
20060021508
2006-02-02

Ion generating apparatus and air cleaning apparatus using the same

#117
20060018811
2006-01-26

Air treatment apparatus with attachable grill

#118
20060018809
2006-01-26

Air conditioner device with removable driver electrodes

#119
20060018808
2006-01-26

Air conditioner device with individually removable driver electrodes

#120
20060018807
2006-01-26

Air conditioner device with enhanced germicidal lamp

#121
20060018804
2006-01-26

Enhanced germicidal lamp

#122
20060018076
2006-01-26

Air conditioner device with removable driver electrodes

#123
20060016338
2006-01-26

Air purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner

#124
20060016337
2006-01-26

Air conditioner device with enhanced ion output production features

#125
20060016336
2006-01-26

Air conditioner device with variable voltage controlled trailing electrodes

#126
20060016333
2006-01-26

Air conditioner device with removable driver electrodes

#127
20060005708
2006-01-12

Photo-electronic air purifying and disinfecting system

#128
20060005707
2006-01-12

Photo-electronic air conditioning, dehumidifying, purifying and disinfecting system

#129
20060005706
2006-01-12

Electro-optical air sterilizer with ionizer

#130
20060005705
2006-01-12

Electro-optical air sterilizer with ionizer

#131
20060000359
2006-01-05

Air purifier

#132
20050287052
2005-12-29

Smoke odour abatement devices and methods

#133
20050257687
2005-11-24

Discharge device and air purifier

#134
20050238551
2005-10-27

Electro-kinetic air transporter-conditioner system and method to oxidize volatile organic compounds

#135
20050232831
2005-10-20

Air conditioner devices

#136
20050231884
2005-10-20

Board for ion generation and ion generating apparatus

#137
20050223898
2005-10-13

Cleaning mechanism for ion emitting air conditioning device

#138
20050195523
2005-09-08

Disk device with charging filter outside pivotal range of head actuator and having projection plane overlapping the disk

#139
20050193803
2005-09-08

Portable aerosol contaminant extractor

#140
20050188987
2005-09-01

Subcompact modular ionic breath cleaner

#141
20050183576
2005-08-25

Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path

#142
20050147545
2005-07-07

Personal electro-kinetic air transporter-conditioner

#143
20050045037
2005-03-03

Portable air filtration system

#144
20050045036
2005-03-03

Portable air filtration system utilizing a conductive coating and a filter for use therein

#145
20050000793
2005-01-06

Air conditioner device with trailing electrode

#146
20050000365
2005-01-06

System for purifying and removing contaminants from gaseous fluids

#147
20050000361
2005-01-06

Adjustable eddy electrostatic precipitator