ClassID:

22210

A61L2209/131 - CPC Classification

Classification description:

Aspects relating to disinfection, sterilisation or deodorisation of air; Apparatus features; Dispensing or storing means for active compounds Semi-permeable membranes

Recent Application in this class:
#1
20260124334
2026-05-07

HOUSING FOR VOLATILE COMPOSITION DISPENSER

#2
20260102533
2026-04-16

TEAR-OPEN PERFUME DIFFUSION CONTAINER AND APPARATUS

#3
20260034262
2026-02-05

CARTRIDGE FOR DELIVERING A VOLATILE MATERIAL

#4
20260034261
2026-02-05

HOUSING FOR VOLATILE COMPOSITION DISPENSER

#5
20260007796
2026-01-08

SCENT DELIVERY DEVICE AND METHOD OF MANUFACTURE THEREOF

#6
20250325724
2025-10-23

A FRAGRANCE DIFFUSER FOR A FLUSH TANK

#7
20250296767
2025-09-25

CARTRIDGE WITH LASER MARKING

#8
20250295829
2025-09-25

PACKAGING FOR VOLATILE COMPOSITION DISPENSER CARTRIDGE

#9
20250242073
2025-07-31

APPARATUS FOR TRANSMISSION OF MULTIPLE DISTINCT ODORS

#10
20250222155
2025-07-10

Volatilization Device

#11
20250205381
2025-06-26

Textile element with passive fragrance diffuser

#12
20250195711
2025-06-19

DELIVERY ENGINE AND APPARATUS FOR DELIVERING A VOLATILE MATERIAL

#13
20250186920
2025-06-12

PREPARATION METHOD OF BISMUTH ION FILTER MEMBRANE AND APPLICATION THEREOF

#14
20250161514
2025-05-22

DEVICES AND METHODS FOR CONTROLLED RELEASE OF SUBSTANCES

#15
20250073367
2025-03-06

COMPOSITIONS PROVIDING AN EFFECTIVE MICROBIAL INHIBITORY CONCENTRATIONS OF ANTIMICROBIAL COMPOUNDS

#16
20250065005
2025-02-27

VOLATILE COMPOSITION DISPENSER WITH CARTRIDGE FOR MULTIPLE VOLATILE COMPOSITIONS

#17
20250058008
2025-02-20

APPARATUS FOR DELIVERING A VOLATILE MATERIAL

#18
20240399013
2024-12-05

VOLATILE COMPOSITION DISPENSER

#19
20240399011
2024-12-05

HOUSING FOR VOLATILE COMPOSITION DISPENSER

#20
20240358877
2024-10-31

VOLATILE COMPOSITION DISPENSER WITH IMPROVED SCENT INTENSITY CONTROL

#21
20240335581
2024-10-10

VOLATILE COMPOSITION DISPENSER WITH INCREASED MEMBRANE EXPOSURE AND VOLATILE COMPOSITION WEIGHT LOSS

#22
20240316237
2024-09-26

APPARATUS FOR TRANSMISSION OF MULTIPLE DISTINCT ODORS

#23
20240180739
2024-06-06

OSTOMY APPLIANCE HAVING A COVER LAYER PROVIDED SEPARATELY FROM A BODY SIDE MEMBER

#24
20240148927
2024-05-09

APPARATUS FOR DELIVERING A VOLATILE MATERIAL

#25
20240058499
2024-02-22

VOLATILE COMPOSITION DISPENSER

#26
20240033390
2024-02-01

Volatile composition dispenser with increased membrane exposure and volatile composition weight loss

#27
20240009632
2024-01-11

CONTAINER FOR DIFFUSING VOLATILE SUBSTANCES

#28
20240009337
2024-01-11

Devices and methods for controlled release of substances

#29
20230389673
2023-12-07

Diffuser of volatile liquid substances equipped with a vapor permeable membrane, activated at the time of use

#30
20230356899
2023-11-09

CONTAINER FOR RELEASING VOLATILE SUBSTANCES

#31
20230330295
2023-10-19

REMOTE SMELL TECHNOLOGY

#32
20230285624
2023-09-14

REFILLABLE VOLATILE COMPOSITION DISPENSER

#33
20230107386
2023-04-06

Volatile composition dispenser

#34
20230061458
2023-03-02

Apparatus for delivering a volatile material

#35
20230044427
2023-02-09

EVAPORATION RETARDANT MEMBRANE FOR ODORANT COMPOSITIONS

#36
20220339587
2022-10-27

Fragrance nebulizer with drainage system

#37
20220233737
2022-07-28

AIR FRESHENER AND SUBSTANCE DIFFUSING MEMBRANE WITH REMOVABLE SEAL

#38
20220218866
2022-07-14

A Sanitizing Apparatus for Sanitizing a Fluid and a Sanitizing Method Thereof

#39
20220152261
2022-05-19

FRAGRANCE RELEASING DEVICE

#40
20220047756
2022-02-17

DISTRIBUTION CAROUSEL

#41
20220047754
2022-02-17

Volatile composition dispenser with increased membrane exposure and volatile composition weight loss

#42
20220047467
2022-02-17

Aromatic shower sachet

#43
20210379229
2021-12-09

Devices and methods for controlled release of substances

#44
20210322617
2021-10-21

Ergonomic scent diffuser

#45
20210245087
2021-08-12

Miniature gas detection and purification device

#46
20210228759
2021-07-29

Cartridge with vapour permeable membrane, in particular for volatile substances such as insecticides and fragrances

#47
20210106710
2021-04-15

Air freshening product

#48
20210038754
2021-02-11

Devices and methods for controlled release of substances

#49
20210000998
2021-01-07

Remote smell technology

#50
20200397938
2020-12-24

Device for diffusion of volatile substances

#51
20200368698
2020-11-26

Fragrance nebulizer with drainage system

#52
20200360557
2020-11-19

Containing apparatus for volatile liquid

#53
20200316242
2020-10-08

Device for evaporating volatile substances

#54
20200306404
2020-10-01

Fragrance dispenser with user-selectable release rate

#55
20200276352
2020-09-03

Apparatus and method for air freshening

#56
20200268924
2020-08-27

Ergonomic scent diffuser

#57
20200254129
2020-08-13

Apparatus and method for delivering a volatile material

#58
20200222571
2020-07-16

AROMATHERAPY DEVICE

#59
20200078486
2020-03-12

Volatile composition dispenser

#60
20200069832
2020-03-05

FRAGRANCE RELEASING DEVICE

#61
20200069831
2020-03-05

Volatile substance evaporation device

#62
20200054779
2020-02-20

FRAGRANCE SACHET

#63
20200054778
2020-02-20

FRAGRANCE SACHET

#64
20200054777
2020-02-20

FRAGRANCE SACHET

#65
20200038539
2020-02-06

Volatile composition dispenser with increased membrane exposure and volatile composition weight loss

#66
20200023093
2020-01-23

Volatile substance dispensing device and fabrication method thereof

#67
20190388576
2019-12-26

Perfume testers

#68
20190337265
2019-11-07

Multilayer structure for diffusion of volatile substances

#69
20190336639
2019-11-07

Apparatus for delivering a volatile material

#70
20190307912
2019-10-10

FRAGRANCE DELIVERY DEVICE, SYSTEM, AND METHOD

#71
20190192720
2019-06-27

Wall mountable essential oil diffuser

#72
20190142989
2019-05-16

Fragrance dispenser for air filter

#73
20190134245
2019-05-09

Apparatus and method for reducing malodor on surfaces

#74
20190070330
2019-03-07

Treated membrane for fragrance delivery

#75
20190030201
2019-01-31

Volatile composition dispenser

#76
20190022266
2019-01-24

BOTTLE ESSENTIAL OIL DIFFUSER WITH A BREATHING FILM INCORPORATED CAP

#77
20190015540
2019-01-17

Fragrance delivery systems

#78
20180311395
2018-11-01

PERFUME COMPOSITIONS AND AIR FRESHENER DEVICE

#79
20180256767
2018-09-13

Method for delivering a volatile material

#80
20180185536
2018-07-05

Membrane device for the release of volatile compositions

#81
20180161470
2018-06-14

CARTRIDGE WITH VAPOUR PERMEABLE MEMBRANE, IN PARTICULAR FOR VOLATILE SUBSTANCES SUCH AS INSECTICIDES AND FRAGRANCES

#82
20180154035
2018-06-07

DEVICE FOR CONTROLLED RELEASE OF FLUID

#83
20180147547
2018-05-31

Fragrance nebulizer with drainage system

#84
20180126025
2018-05-10

Plug-in fragrance dispenser

#85
20180126024
2018-05-10

Microporous material

#86
20180117994
2018-05-03

Air scenting system

#87
20180104372
2018-04-19

Composite membrane

#88
20180064839
2018-03-08

REPLACEABLE MULTILAYER BREATHING FILM-BASED AROMA CAPSULE AND AROMA-DIFFUSING HEATING DEVICE USING SAME

#89
20180008740
2018-01-11

Freshening compositions comprising isopropyl myristate

#90
20170319734
2017-11-09

Volatile composition dispenser with guiding mechanism

#91
20170319733
2017-11-09

Volatile composition dispenser with increased membrane exposure and volatile composition weight loss

#92
20170319732
2017-11-09

Volatile composition dispenser with retractable push button

#93
20170319731
2017-11-09

Volatile composition dispenser with lockable button

#94
20170290294
2017-10-12

Controllable scent sample dispenser, and animal training and testing system for detecting scents

#95
20170224863
2017-08-10

WINE CORK POTPOURRI DISPLAY

#96
20170210541
2017-07-27

Moisture absorbent and decontaminant

#97
20170209613
2017-07-27

Volatile dispenser for use in volatile dispensing systems

#98
20170173201
2017-06-22

DEVICE FOR EVAPORATING VOLATILE SUBSTANCES

#99
20170136139
2017-05-18

Fragrance dispenser for air filter

#100
20170128609
2017-05-11

Personalized air freshener system

#101
20170112955
2017-04-27

Modular air freshener system

#102
20170036177
2017-02-09

Fragrance nebulizer with drainage system

#103
20170021048
2017-01-26

Method for delivering a volatile material

#104
20170000102
2017-01-05

Device for Evaporative Delivery of Volatile Substance

#105
20160367715
2016-12-22

Energized air freshening apparatus comprising perfume mixtures having an olfactive index

#106
20160354505
2016-12-08

APPARATUS FOR DELIVERING A VOLATILE MATERIAL

#107
20160346420
2016-12-01

Fragrance and chemical dispensers and methods for using the same

#108
20160256587
2016-09-08

Emanator device

#109
20160136319
2016-05-19

Volatile material dispenser

#110
20160136316
2016-05-19

Method for delivering a volatile material

#111
20150273500
2015-10-01

Volatile material dispenser and method of emitting a volatile material

#112
20150258236
2015-09-17

Fragrance release system with visual endpoint indication

#113
20150108239
2015-04-23

Air freshener with porous membrane with leak pad and adjustable opening

#114
20150028126
2015-01-29

Fragrance nebulizer with drainage system

#115
20140369895
2014-12-18

Device for evaporating volatile compositions

#116
20140314619
2014-10-23

Emanator device

#117
20140306026
2014-10-16

Volatile medium delivery device

#118
20140209700
2014-07-31

Device for delivering a volatile fluid to the atmosphere

#119
20140209698
2014-07-31

Method for delivering a volatile fluid to the atmosphere

#120
20140197246
2014-07-17

Apparatus for delivering a volatile material

#121
20140191056
2014-07-10

Method for delivering a volatile material

#122
20140166774
2014-06-19

Device for evaporating volatile substances

#123
20140145005
2014-05-29

Volatile material dispenser

#124
20140145004
2014-05-29

Volatile material dispenser

#125
20140133132
2014-05-15

Aroma-diffusing heating device

#126
20140133131
2014-05-15

Aroma diffusing heating device using an aroma capsule

#127
20140110495
2014-04-24

Volatile material dispensing system having an adjustable diffusion apparatus

#128
20140048614
2014-02-20

Membrane device for the release of volatile compositions

#129
20140037922
2014-02-06

Microporous material

#130
20140027530
2014-01-30

Dispensing device

#131
20130049236
2013-02-28

Device and Method for Dispensing Volatile Compounds and Cartridge for Use Therewith

#132
20120312893
2012-12-13

Volatile medium delivery device

#133
20120275932
2012-11-01

Centrifugal fan device

#134
20120153038
2012-06-21

SCENT-RELEASING APPARATUS AND METHOD OF MAKING SAME

#135
20120080537
2012-04-05

Dispensing device

#136
20110303760
2011-12-15

APPARATUS AND METHOD FOR CONTROLLABLY RELEASING A SUBSTANCE

#137
20110180621
2011-07-28

Apparatus for delivering a volatile material

#138
20110095096
2011-04-28

Multi-layered active ingredient dispenser

#139
20110089252
2011-04-21

Fragrance nebulizer with drainage system

#140
20110079658
2011-04-07

Dual functioning fragrance delivery device

#141
20110011947
2011-01-20

Gel air freshener and method of unsealing such gel air freshener

#142
20100314461
2010-12-16

Volatile composition dispenser

#143
20100308130
2010-12-09

Apparatus for delivering a volatile material

#144
20100308126
2010-12-09

Method for delivering a volatile material

#145
20100270392
2010-10-28

Multi-layer film coverings for volatizing dispensers

#146
20100264232
2010-10-21

Method for delivering a volatile material

#147
20100176213
2010-07-15

Volatile material dispenser

#148
20100145291
2010-06-10

DEODORIZING FILTER AND EXCRETA RECEPTACLE HAVING THE SAME

#149
20100104526
2010-04-29

DEODORIZING SYSTEM

#150
20060223196
2006-10-05

Method and system for controllably releasing solutions

#151
20060032937
2006-02-16

Container of active substances

#152
18154297
2026-05-12

Compositions and methods for eliminating scent