ClassID:

24579

A62B18/003 - CPC Classification

Classification description:

Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort having means for creating a fresh air curtain

Recent Application in this class:
#1
20260115504
2026-04-30

MASKLESS RESPIRATORY, SKIN, AND EYE PROTECTION DEVICE FOR AEROSOLS AND VAPORS INCLUDING CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR, AND EXPLOSIVE (CBRNE) CONTAMINANTS

#2
20260114538
2026-04-30

DUST REPELLING HEADGEAR

#3
20260102638
2026-04-16

MASKLESS RESPIRATORY, SKIN, AND EYE PROTECTION DEVICE FOR AEROSOLS AND VAPORS INCLUDING CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR, AND EXPLOSIVE (CBRNE) CONTAMINANTS

#4
20260102637
2026-04-16

MASKLESS RESPIRATORY, SKIN, AND EYE PROTECTION DEVICE FOR AEROSOLS AND VAPORS INCLUDING CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR, AND EXPLOSIVE (CBRNE) CONTAMINANTS

#5
20260077218
2026-03-19

Wearable air purifier

#6
20260061229
2026-03-05

POSITIVE PRESSURE RESPIRATOR ASSEMBLY

#7
20260054105
2026-02-26

WEARABLE AIR PURIFIER

#8
20260027390
2026-01-29

HARDHAT WITH AIR CONDUIT

#9
20250325848
2025-10-23

RESPIRATORY EXTRACTION HOOD

#10
20250229113
2025-07-17

WEARABLE AIR PURIFIER

#11
20250221486
2025-07-10

HOOD FOR HARDHAT AND RESPIRATOR APPARATUS

#12
20250213895
2025-07-03

HARDHAT WITH SHAPED AIR CONDUIT

#13
20250212985
2025-07-03

CONDUIT ASSEMBLY FOR BRIMMED HARDHAT

#14
20250205522
2025-06-26

MASK

#15
20250192599
2025-06-12

INTEGRATED, SHAREABLE POWER SUPPLY FOR MEDICAL PROCEDURE DEVICES AND METHODS OF MAKING AND USING SAME

#16
20250186812
2025-06-12

WEARABLE DEVICE FOR DELIVERING AIR

#17
20250161723
2025-05-22

Personal Protection System

#18
20250152978
2025-05-15

A MASK CONFIGURED FOR PRESSURE MAINTENANCE

#19
20250135244
2025-05-01

Personal Protection System

#20
20240407486
2024-12-12

PROTECTIVE APPAREL AND SUPPORT APPARATUS AND METHOD OF USE

#21
20240350838
2024-10-24

FACE MASKS AND METHOD OF FABRICATING FACE MASK

#22
20240342515
2024-10-17

HEAD WEARABLE AIR PURIFIER

#23
20240325795
2024-10-03

HEAD WEARABLE AIR PURIFIER

#24
20240307714
2024-09-19

Personal Air Purifier

#25
20240269493
2024-08-15

NECK COLLAR CAPABLE OF SUPPLYING OXYGEN TO COMPANION ANIMAL AND SYSTEM FOR OXYGEN SUPPLY THROUGH NECK COLLAR TO COMPANION ANIMAL

#26
20240269492
2024-08-15

A PERSONAL NECK-WEARABLE AIR PURIFICATION DEVICE

#27
20240252850
2024-08-01

WEARABLE DEVICE FOR THE TREATMENT OF BREATHING AIR

#28
20240198141
2024-06-20

HEAD WEARABLE AIR PURIFIER

#29
20240197007
2024-06-20

PORTABLE AIR SANITATING DEVICE

#30
20240123266
2024-04-18

MASK DEVICE AND CONTROL METHOD THEREFOR

#31
20240123265
2024-04-18

MASK CONTROLLING AIR VOLUME AND CONTROLLING METHOD THEREFOR

#32
20240114988
2024-04-11

Surgical personal protection apparatus

#33
20240108921
2024-04-04

WEARABLE AIR PURIFIER

#34
20240108920
2024-04-04

WEARABLE AIR PURIFICATION SYSTEM

#35
20240091571
2024-03-21

IMPROVEMENTS IN RESPIRATOR HOODS

#36
20240066333
2024-02-29

HEAD WEARABLE AIR PURIFIER

#37
20240058630
2024-02-22

Personal Protection Air-Shield Devices and Uses Thereof

#38
20240050781
2024-02-15

WEARABLE AIR PURIFIER

#39
20240050780
2024-02-15

HEAD WEARABLE AIR PURIFIER

#40
20240050779
2024-02-15

WEARABLE AIR PURIFIER

#41
20240050778
2024-02-15

WEARABLE AIR PURIFIER

#42
20240050777
2024-02-15

WEARABLE AIR PURIFIER

#43
20240042249
2024-02-08

WEARABLE AIR PURIFIER

#44
20240001173
2024-01-04

A FACE SHIELD

#45
20240001172
2024-01-04

WEARABLE AIR PURIFIER

#46
20230414822
2023-12-28

PERSONAL ULTRAVIOLET RESPIRATORY GERM ELIMINATION MACHINE (PUR GEM)

#47
20230405374
2023-12-21

METHODS, APPARATUSES, AND SYSTEMS FOR EVALUATING RESPIRATORY PROTECTIVE DEVICES

#48
20230405368
2023-12-21

Wearable device for delivering air

#49
20230372745
2023-11-23

BREATH PROTECTION DEVICE

#50
20230356009
2023-11-09

MASK DEVICE HAVING AIR CURTAIN FUNCTION

#51
20230302305
2023-09-28

VIBRATION DECOUPLER

#52
20230293918
2023-09-21

IMPROVEMENTS IN AIR DELIVERY DEVICES

#53
20230292876
2023-09-21

Surgical personal protection apparatus

#54
20230285780
2023-09-14

MULTI-FUNCTION MASK

#55
20230263244
2023-08-24

VENTILATED COOLING AND PROTECTIVE GARMENT WITH FACIAL SHIELD

#56
20230256270
2023-08-17

PERSONAL WEARABLE AIR CURTAIN SHIELD

#57
20230249009
2023-08-10

Oxygen Mask Assembly

#58
20230226383
2023-07-20

METHOD AND APPARATUS FOR PERSONAL ISOLATION AND/OR PROTECTION

#59
20230220845
2023-07-13

Pump system, use of a pneumatic resistance and medical device or gas-measuring device

#60
20230209237
2023-06-29

HEADGEAR HAVING AN AIR PURIFIER

#61
20230201634
2023-06-29

PERSONAL PROTECTED-AIR SYSTEM

#62
20230191169
2023-06-22

HEADPIECE, FACE SHIELD AND METHOD OF USING A HEADPIECE

#63
20230191168
2023-06-22

WEARABLE AIR PURIFIER

#64
20230181938
2023-06-15

WEARABLE AIR PURIFIER

#65
20230181937
2023-06-15

HEADGEAR HAVING AN AIR PURIFIER

#66
20230165327
2023-06-01

Protective apparel and support apparatus and method of use

#67
20230149748
2023-05-18

Head and/or Neck-Mounted Aerosol-Based Respiratory Protection Device

#68
20230147583
2023-05-11

Protective Breathing Apparatus For Viruses And Toxic Particles

#69
20230099596
2023-03-30

SYSTEM AND METHOD FOR A WEARABLE AIR FILTRATION DEVICE

#70
20230068863
2023-03-02

OPEN TYPE BREATHING-OUT PARTICLES CAPTURE AND FILTRATION DEVICE

#71
20230053408
2023-02-23

FACE MASK WITH PURIFIED AIR INSIDE

#72
20230033579
2023-02-02

Protective Device

#73
20230019195
2023-01-19

MASK APPARATUS

#74
20230018147
2023-01-19

MASK APPARATUS

#75
20230015311
2023-01-19

MASK APPARATUS

#76
20230010836
2023-01-12

Wearable continuous positive airway pressure assembly

#77
20220392000
2022-12-08

SYSTEM FOR SUPPLYING TAILOR MADE SAFETY FACEMASKS AND METHOD THEREOF

#78
20220370837
2022-11-24

POWERED EXHAUST APPARATUS FOR A PERSONAL PROTECTION RESPIRATORY DEVICE

#79
20220361597
2022-11-17

APPAREL AND/OR METHODS FOR COMBATING VIRUSES

#80
20220339470
2022-10-27

RESPIRATOR DEVICES WITH SENSORS, AND ASSOCIATED SYSTEMS AND METHODS

#81
20220339038
2022-10-27

SMART PROTECTIVE FACE MASK

#82
20220331619
2022-10-20

Protective face shield utilizing laminar air flow

#83
20220330630
2022-10-20

Air delivery system having dual configuration air filtration assembly

#84
20220305301
2022-09-29

WEARABLE SYSTEM FOR CLEANING AIR

#85
20220288427
2022-09-15

MODULAR, ADJUSTABLE POWERED AIR PURIFYING RESPIRATOR SYSTEM

#86
20220249879
2022-08-11

ORO-NASAL INTERFACE DEVICE INCLUDING A FILTRATION AND DISINFECTION SYSTEM

#87
20220219024
2022-07-14

Air supply mechanism with lower air duct, headgear and electric protective equipment

#88
20220202982
2022-06-30

Ultraviolet light disinfecting face shield system

#89
20220182749
2022-06-09

Noise control

#90
20220180851
2022-06-09

Noise control

#91
20220180850
2022-06-09

Noise control

#92
20220148557
2022-05-12

Noise control

#93
20220143430
2022-05-12

DEVICE FOR PRODUCING AN AIR CURTAIN IN FRONT OF A FACE OF A USER

#94
20220126126
2022-04-28

Jet Air Curtain For Personal Respiratory Protection

#95
20220126125
2022-04-28

FACIAL AIR SHIELD TO PREVENT DISEASE SPREAD

#96
20220118290
2022-04-21

POWERED AIR FILTRATION FACE COVERING

#97
20220118289
2022-04-21

MEDICAL DEVICE FOR THE INTERDICTION OF AIRBORNE BACTERIA AND VIRUSES

#98
20220088421
2022-03-24

Air Purification System

#99
20220072340
2022-03-10

Gas Guide Apparatus

#100
20220062668
2022-03-03

ACTIVE RESPIRATORY FACE SHIELD SYSTEM

#101
20220054867
2022-02-24

SMART MASKS

#102
20220040508
2022-02-10

WEARABLE AIR CLEANING DEVICE

#103
20220032093
2022-02-03

Fresh Air Delivery Systems and Methods

#104
20220008764
2022-01-13

All season Non CO2 magnetic filtered multilayered face mask for humans and animals

#105
20220008759
2022-01-13

ACTIVE RESPIRATORY OPEN FACE SHIELD SYSTEM

#106
20210394197
2021-12-23

ANTI-VIRUS MASK

#107
20210379424
2021-12-09

Smile-Through™ transparent smart mask

#108
20210370104
2021-12-02

Personal protection system

#109
20210353974
2021-11-18

Wearable air purifier

#110
20210353969
2021-11-18

Wearable air sterilizer for everyday use during COVID-19 and in a post-pandemic period

#111
20210346729
2021-11-11

PERSONAL PROTECTIVE EQUIPMENT AND METHODS OF USE FOR PROVIDING AN AIR SHIELD FROM AIRBORNE PATHOGENS AND OTHER HARMFUL PARTICLES

#112
20210330000
2021-10-28

Protective apparel and support apparatus and method of use

#113
20210308499
2021-10-07

POWERED AIR-PURIFYING RESPIRATOR

#114
20210260415
2021-08-26

Wearable air purifier

#115
20210260414
2021-08-26

WEARABLE AIR PURIFIER

#116
20210228919
2021-07-29

Donnable barrier devices, systems, and methods with touchless control

#117
20210213154
2021-07-15

System and method for dynamically reducing microbiological contaminants in the vicinity of personal equipment

#118
20210177083
2021-06-17

Surgical personal protection apparatus

#119
20210128776
2021-05-06

NEGATIVE ION GENERATOR, WEARABLE AIR PURIFIER HAVING THE AFOREMENTIONED NEGATIVE ION GENERATOR, AND METHOD OF MANUFACTURING THE AFOREMENTIONED NEGATIVE ION GENERATOR

#120
20210001157
2021-01-07

Personal Protective Face Shield for Preventing Biohazardous, Infectious or Pathological Aerosol Exposure (COVID-19)

#121
20200353294
2020-11-12

RESPIRATOR

#122
20200215359
2020-07-09

Wearable device for delivering air

#123
20200146371
2020-05-14

Protective apparel and support apparatus and method of use

#124
20200060375
2020-02-27

Personal protection and ventilation system

#125
20200001123
2020-01-02

Personal protection system including a helmet with a sensor

#126
20190321577
2019-10-24

Taste inhibition through the use of an air flow

#127
20190289946
2019-09-26

Hard hat with filtered, battery-operated air flow system and method

#128
20190255367
2019-08-22

PERSONALIZED FORCED AIR PURIFIER

#129
20190174860
2019-06-13

Surgical personal protection apparatus

#130
20180311515
2018-11-01

Facial shielding system for protection from environmental hazards

#131
20180296864
2018-10-18

Respirator

#132
20180242679
2018-08-30

Powered air respirator kit

#133
20180160750
2018-06-14

Mask structure

#134
20180132550
2018-05-17

Protective apparel and support apparatus and method of use

#135
20180056098
2018-03-01

RETRACTABLE HEADPHONE VISOR AND AIR FILTRATION SYSTEM

#136
20180035741
2018-02-08

Medical/surgical personal protection system including a helmet, the helmet having a fan and a fan housing that are curved to curve around the head of the individual wearing the helmet

#137
20180021607
2018-01-25

Hat and air filtration system

#138
20170361133
2017-12-21

Wearable device for delivering air

#139
20170333737
2017-11-23

WEARABLE AIR PURIFICATION DEVICE

#140
20170326388
2017-11-16

AIR-FED VISOR

#141
20170319879
2017-11-09

Air-supply device

#142
20170196281
2017-07-13

Donnable barrier systems, devices, and methods with touchless control

#143
20170184093
2017-06-29

Pump system, use of a pneumatic resistance and medical device or gas-measuring device

#144
20170165445
2017-06-15

Personalized forced air purifier

#145
20170128754
2017-05-11

Wearable Apparatus

#146
20170113075
2017-04-27

Supply Device for Supplying Breathable Air

#147
20170112203
2017-04-27

Retractable Headphone Visor and Air Filtration System

#148
20170106218
2017-04-20

Portable electronic device with a smart air purifier

#149
20170079365
2017-03-23

Hard hat

#150
20170028230
2017-02-02

Breathing apparatus

#151
20160175624
2016-06-23

Head protection device and respirator device

#152
20160165999
2016-06-16

Medical/surgical personal protection system including a helmet, a hood and a speaker that broadcasts speech outside of the hood

#153
20160030700
2016-02-04

Taste inhibition through the use of an air flow

#154
20150375019
2015-12-31

Medical/surgical personal protection system including a material or insert for providing improved transmission of sound

#155
20150174435
2015-06-25

Personal air filter

#156
20140360496
2014-12-11

PERSONAL HEALTH DEVICE

#157
20140352037
2014-12-04

Medical/surgical personal protection system including a helmet and a hood, the helmet having chin bar-mounted controls

#158
20140102442
2014-04-17

FACIAL ACCESSORY SYSTEM

#159
20130139818
2013-06-06

SPLIT FLOW FILTERING DEVICE

#160
20130139816
2013-06-06

Portable respirators suitable for agricultural workers

#161
20130042861
2013-02-21

HELMET-TYPE PERSONAL DISASTER RELIEF DEVICE

#162
20130014752
2013-01-17

Air filtration device

#163
20120024289
2012-02-02

Headgear-mountable respirator

#164
20110289954
2011-12-01

Shoulder mounted hood cooling system

#165
20110180069
2011-07-28

Portable athletic air cooler with face adapter

#166
20110004979
2011-01-13

Medical/surgical personal protection system including a light assembly arranged so that heat generated by the assembly is exhausted away from the assembly

#167
20100294270
2010-11-25

Respirator assembly with air flow direction control

#168
20100263664
2010-10-21

PORTABLE OXYGEN DELIVERY DEVICE AND METHOD FOR DELIVERING OXYGEN TO A MOBILE USER

#169
20100224194
2010-09-09

Respirator flow control apparatus and method

#170
20090144884
2009-06-11

Protective hood

#171
20090089908
2009-04-09

Air supplying device for welding mask

#172
20090025716
2009-01-29

Personal respiratory protection system

#173
20080175426
2008-07-24

Method and Means For the Emission of an Air Current in the Direction of the Breathing Zone of a User

#174
20080087282
2008-04-17

Unobtrusive personal air filtration device

#175
20070266484
2007-11-22

Protective device

#176
20070163586
2007-07-19

Method and apparatus for personal isolation and/or protection

#177
20070107727
2007-05-17

Aviator emergency oxygen system

#178
20070084465
2007-04-19

Bringing a multi-component jet into the visual field of a user

#179
20070028372
2007-02-08

Head unit for a medical/surgical personal protection system with a head band and a ventilation unit that is adjustably position relative to the head band

#180
20050284470
2005-12-29

Method and apparatus for micro-environment control

#181
20050251890
2005-11-17

Ventilated face shield assembly with glare shield

#182
20050183726
2005-08-25

Device and method for the targeted supply of oxygen to the location of respiratory organs, in particular within aircraft

#183
20050150498
2005-07-14

Oxygen diffuser support

#184
20050114986
2005-06-02

Paint particle deflector

#185
20050061316
2005-03-24

Air curtain device with flexible shield

#186
20050011516
2005-01-20

Gas mask and breathing equipment with a compressor

#187
19194120
2025-12-16

Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants

#188
19077361
2025-08-19

Dust mitigation headgear

#189
18932726
2025-04-08

Dust mitigation headgear

#190
18913327
2025-07-01

Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants

#191
17366060
2025-04-01

Wearable devices that actively disinfect

#192
17351076
2025-05-20

Laminar flow purified air system

#193
17233444
2022-05-03

Respiratory protection system

#194
15131807
2020-01-21

Personal air purification device and related methods