ClassID:

35586

B03C3/30 - CPC Classification

Classification description:

Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect; Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity

Recent Application in this class:
#1
20240307808
2024-09-19

Air Filter and Method for Manufacturing an Air Filter

#2
20240100543
2024-03-28

Methods and systems for negative ion-based pollution reduction

#3
20220282461
2022-09-08

Atmospheric water harvesting apparatus

#4
20220193694
2022-06-23

Methods and systems for negative ion-based pollution reduction

#5
20220001393
2022-01-06

ELECTROSTATIC INDUCTION-TYPE AIR FILTRATION DUST COLLECTING APPARATUS AND METHOD

#6
20210276021
2021-09-09

Filter media for active field polarized media air cleaner

#7
20200023299
2020-01-23

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#8
20180193678
2018-07-12

Air purifier having an electret module

#9
20180001326
2018-01-04

Filter media for active field polarized media air cleaner

#10
20170326485
2017-11-16

PROTECTIVE CLOTHING

#11
20170216750
2017-08-03

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

#12
20170080369
2017-03-23

Remote fluorination of fibrous filter webs

#13
20160375396
2016-12-29

Compressed air-drying device

#14
20150196924
2015-07-16

Recirculation filter for an electronic enclosure

#15
20140338536
2014-11-20

Filter media for active field polarized media air cleaner

#16
20140305305
2014-10-16

AIR CLEANER AND PILL DISPENSER WITH AIR CLEANER

#17
20140150797
2014-06-05

Air purifier having an electret module

#18
20140123854
2014-05-08

METHOD AND APPARATUS FOR ELECTRIC TREATMENT OF SUBSTRATES

#19
20130183201
2013-07-18

Filter media for active field polarized media air cleaner

#20
20130180891
2013-07-18

Electrostatic separation of a mixture of valuable materials, e.g., a mineral salt mixture, by means of a pipe separator, and device for electrostatically separating such a mixture of valuable materials by means of a pipe separator, and method for electrostatic separation

#21
20130047856
2013-02-28

Electrically charged filter and mask

#22
20130047846
2013-02-28

Self-cleaning electret filter

#23
20120204722
2012-08-16

HARD DISK DRIVE FILTRATION DEVICE

#24
20120152861
2012-06-21

Waste separation and processing system

#25
20120097037
2012-04-26

Air filter material using laminated electret nonwoven fabric

#26
20120097036
2012-04-26

FILTER AND HOME APPLIANCE COMPRISING THE SAME

#27
20120085683
2012-04-12

Method for electrostatically separating a granule mixture made of different materials, and device for implementing same

#28
20120059508
2012-03-08

Electrostatic separation control system

#29
20110290119
2011-12-01

ANTIMICROBIAL ELECTRET WEB

#30
20110289923
2011-12-01

RECOVERY OF MERCURY CONTROL REAGENTS BY TRIBO-ELECTRIC SEPARATION

#31
20110203593
2011-08-25

MASK

#32
20110179950
2011-07-28

Tubing air purification system

#33
20110174157
2011-07-21

Air filter formed by slit and expanded layers of electrostatically enhanced material

#34
20110162653
2011-07-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#35
20110089038
2011-04-21

Filter element with particle-trapping crevice

#36
20110036758
2011-02-17

ELECTROSTATIC SEPARATOR FOR UNBURNED CARBON FROM COAL ASH USING ELECTROSTATIC INDUCTION TYPE EJECTOR TRIBOCHARGER

#37
20110016663
2011-01-27

Filter

#38
20110016662
2011-01-27

Filter

#39
20110002814
2011-01-06

Filter media for active field polarized media air cleaner

#40
20100326831
2010-12-30

Electrically enhanced cellulose filtration system

#41
20100313890
2010-12-16

PROTECTIVE MASK WITH BREATHABLE FILTERING FACE SEAL

#42
20100282083
2010-11-11

Disinfecting air filter

#43
20100252047
2010-10-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#44
20100247404
2010-09-30

Multi layer pleatable filter medium

#45
20100176034
2010-07-15

POWDER SEPARATOR AND METHOD OF POWDER SEPARATION

#46
20100122629
2010-05-20

Triboelectric air purifier

#47
20100058927
2010-03-11

AIR FILTER ARRANGEMENT AND A METHOD FOR MANUFACTURING THE SAME

#48
20090259158
2009-10-15

Antimicrobial fibers embedded with an iodinated resin

#49
20090071329
2009-03-19

Dust filtration in an automated fiber placement process

#50
20090064862
2009-03-12

Air filter formed from slit and expanded layers of electrostatically enhanced material

#51
20090056548
2009-03-05

Dust collection device for sanding tool

#52
20080257149
2008-10-23

Filtration media having a slit-film layer

#53
20080236397
2008-10-02

Electronic Enclosure Filter for Very Small Spaces

#54
20080063558
2008-03-13

Odour Reduction Apparatus

#55
20080034967
2008-02-14

Filter Device for Administration of Stored Gases

#56
20070283809
2007-12-13

Recirculation filter

#57
20070199451
2007-08-30

Conductive bead active field polarized media air cleaner

#58
20070199450
2007-08-30

Filter media for active field polarized media air cleaner

#59
20070180997
2007-08-09

Electrets and compounds useful in electrets

#60
20060180027
2006-08-17

Ionic air conditioning system

#61
20050195523
2005-09-08

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