ClassID:

24580

A62B18/006 - 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 with pumps for forced ventilation

Recent Application in this class:
#1
20260143029
2026-05-21

ARTICLE OF PERSONAL PROTECTIVE EQUIPMENT

#2
20260115504
2026-04-30

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

#3
20260102637
2026-04-16

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

#4
20260069899
2026-03-12

WEARABLE AIR PURIFIER

#5
20260054105
2026-02-26

WEARABLE AIR PURIFIER

#6
20260034388
2026-02-05

POWERED AIR PURIFYING RESPIRATOR

#7
20260027390
2026-01-29

HARDHAT WITH AIR CONDUIT

#8
20260007909
2026-01-08

REUSABLE PURIFIED AIR BREATHING DEVICE WITH FIXED AND RETRACTABLE DISPLAY SCREENS

#9
20250332316
2025-10-30

MULTI-LINEAR GRATING GUV LED FLOWING AIR AND FLUID STERILIZATION METHOD AND STERILIZATION SPACE DEVICE THEREOF

#10
20250281777
2025-09-11

VENTILATED PROTECTION DEVICE FOR THE RESPIRATORY TRACT

#11
20250281776
2025-09-11

POWERED AIR BREATHING APPARATUS

#12
20250256136
2025-08-14

LIGHT-TRANSMITTING MEMBER AND SHIELD

#13
20250249295
2025-08-07

HARDHAT WITH AIR CONDUIT

#14
20250229113
2025-07-17

WEARABLE AIR PURIFIER

#15
20250222284
2025-07-10

ADAPTIVE AUXILIARY AIR SUPPLY RESPIRATOR AND CONTROL METHOD THEREOF

#16
20250222283
2025-07-10

METHOD AND SYSTEM FOR CONTROLLING PRESSURE IN MASK, AND RESPIRATOR

#17
20250213895
2025-07-03

HARDHAT WITH SHAPED AIR CONDUIT

#18
20250205520
2025-06-26

WEARABLE AIR PURIFIER

#19
20250205377
2025-06-26

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#20
20250195924
2025-06-19

ATMOSPHERIC PRESSURE COMPENSATION CONTROL SYSTEM FOR POWERED AIR-PURIFYING RESPIRATOR AND METHOD

#21
20250186812
2025-06-12

WEARABLE DEVICE FOR DELIVERING AIR

#22
20250152978
2025-05-15

A MASK CONFIGURED FOR PRESSURE MAINTENANCE

#23
20250108240
2025-04-03

ARTICLE OF PERSONAL PROTECTIVE EQUIPMENT

#24
20250099788
2025-03-27

PERSONAL PROTECTIVE SYSTEM AND METHODS OF USE

#25
20250048016
2025-02-06

HEADBAND FOR A WEARABLE ELECTRONIC DEVICE

#26
20240399176
2024-12-05

Interchangeable Filter Systems for Respirators

#27
20240342517
2024-10-17

REUSABLE PURIFIED AIR BREATHING DEVICE WITH A RETRACTABLE DISPLAY SCREEN

#28
20240325795
2024-10-03

HEAD WEARABLE AIR PURIFIER

#29
20240307711
2024-09-19

Modular, integrated powered air purifying respirator system

#30
20240299781
2024-09-12

CUSTOM-CONTROLLABLE POWERED RESPIRATOR FACE MASK

#31
20240299779
2024-09-12

COMPACT RESPIRATOR ASSEMBLY

#32
20240299612
2024-09-12

Method and Device for Disinfecting the Air Breathed in by a Person

#33
20240278046
2024-08-22

RESPIRATOR ASSEMBLY AND METHOD OF USING THE SAME

#34
20240252850
2024-08-01

WEARABLE DEVICE FOR THE TREATMENT OF BREATHING AIR

#35
20240226615
2024-07-11

MASK DEVICE

#36
20240207657
2024-06-27

FACE MASK DEVICE ALLOWING COMFORTABLE RESPIRATION ACCORDING TO AIR FLOW

#37
20240198142
2024-06-20

ELECTRONIC MASK AND CONTROLLING METHOD THEREOF

#38
20240198141
2024-06-20

HEAD WEARABLE AIR PURIFIER

#39
20240195220
2024-06-13

APPARATUS AND METHOD FOR IMPROVED WIRELESS CHARGING

#40
20240189633
2024-06-13

RESPIRATORY PROTECTIVE DEVICE WITH IMPROVED SOUND INSULATION

#41
20240139558
2024-05-02

APPARATUS AND METHOD FOR AIRFLOW ADJUSTMENT IN RESPIRATORY PROTECTIVE DEVICE

#42
20240131372
2024-04-25

MASK DEVICE

#43
20240115888
2024-04-11

MASK

#44
20240108923
2024-04-04

Smart Individualized Near-Face Extended Wear Electrohydrodynamic Respirator

#45
20240108922
2024-04-04

A Facial Mask Assembly Dispensing a Protective Laminar Airflow

#46
20240108921
2024-04-04

WEARABLE AIR PURIFIER

#47
20240108920
2024-04-04

WEARABLE AIR PURIFICATION SYSTEM

#48
20240091569
2024-03-21

SLIDE INSTALL RESPIRATOR CARTRIDGES AND RESPIRATORS

#49
20240066335
2024-02-29

STORAGE CASE FOR A PORTABLE DEVICE

#50
20240066333
2024-02-29

HEAD WEARABLE AIR PURIFIER

#51
20240058629
2024-02-22

Face mask with auxiliary oxygen

#52
20240050785
2024-02-15

WEARABLE AIR PURIFICATION SYSTEM

#53
20240050783
2024-02-15

WEARABLE AIR PURIFIER

#54
20240050782
2024-02-15

WEARABLE AIR PURIFIER

#55
20240050781
2024-02-15

WEARABLE AIR PURIFIER

#56
20240050780
2024-02-15

HEAD WEARABLE AIR PURIFIER

#57
20240050779
2024-02-15

WEARABLE AIR PURIFIER

#58
20240042250
2024-02-08

MASK APPARATUS

#59
20240042249
2024-02-08

WEARABLE AIR PURIFIER

#60
20240042248
2024-02-08

MASK APPARATUS

#61
20240042246
2024-02-08

SYSTEM TO CONNECT FACE MASKS TO HEPA FILTRATION IN AIRCRAFT TO PREVENT SPREAD OF RESPIRATORY VIRUSES

#62
20240024708
2024-01-25

Versatile and multi-purpose breathing mask

#63
20240024707
2024-01-25

GENERIC MODULAR RESPIRATOR

#64
20240017098
2024-01-18

BLOWER FOR RESPIRATORY PROTECTIVE EQUIPMENT

#65
20240009490
2024-01-11

RESPIRATOR

#66
20230414975
2023-12-28

METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIFYING RESPIRATOR IN HIGH MAGNETIC FIELDS

#67
20230405369
2023-12-21

FACE MASKS

#68
20230405368
2023-12-21

Wearable device for delivering air

#69
20230381551
2023-11-30

RESPIRATOR AND AIR PURIFICATION SYSTEM

#70
20230381550
2023-11-30

FACE MASK WITH BATTERY OPERATED FAN AND UV BULB

#71
20230372746
2023-11-23

FACE MASK APPARATUS

#72
20230356009
2023-11-09

MASK DEVICE HAVING AIR CURTAIN FUNCTION

#73
20230347187
2023-11-02

DIGITAL CHANGE MANAGEMENT SYSTEM FOR RESPIRATOR FILTER CARTRIDGES

#74
20230347185
2023-11-02

PERSONA PROTECTIVE SUIT WITH CONTAMINANT PROTECTION

#75
20230321464
2023-10-12

BREATHING APPARATUS AND CHARGING SYSTEM

#76
20230321310
2023-10-12

Sterilization mask with UVC reflective chamber and heat dissipation mechanism

#77
20230310908
2023-10-05

RESPIRATORY PROTECTION MASK

#78
20230310907
2023-10-05

POWERED AIR BREATHING APPARATUS

#79
20230302307
2023-09-28

RESPIRATOR HAVING AN AIRFLOW NOISE REDUCTION DEVICE

#80
20230302306
2023-09-28

FACIAL GUARD SYSTEM

#81
20230285783
2023-09-14

MASK APPARATUS

#82
20230285778
2023-09-14

Method of controlling a powered air purifying respirator

#83
20230264051
2023-08-24

HOUSING AND BLOWER FILTER UNIT WITH ONE HOUSING

#84
20230248877
2023-08-10

PERSONAL AND MOBILE DEVICES FOR PROVIDING BIOLOGICAL PROTECTION BY THE ULTRAVIOLET IRRADIATION OF RECIRCULATED AIR

#85
20230226383
2023-07-20

METHOD AND APPARATUS FOR PERSONAL ISOLATION AND/OR PROTECTION

#86
20230220845
2023-07-13

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

#87
20230218931
2023-07-13

Bidirectional reusable filtering face mask

#88
20230211189
2023-07-06

VENTILATION DEVICE FOR A FILTERING MASK

#89
20230209243
2023-06-29

Headband for a wearable electronic device

#90
20230191169
2023-06-22

HEADPIECE, FACE SHIELD AND METHOD OF USING A HEADPIECE

#91
20230191168
2023-06-22

WEARABLE AIR PURIFIER

#92
20230181940
2023-06-15

METHOD AND APPARATUS FOR PROVIDING AIR FLOW

#93
20230181939
2023-06-15

WEARABLE AIR PURIFIER

#94
20230181938
2023-06-15

WEARABLE AIR PURIFIER

#95
20230181936
2023-06-15

APPARATUS AND METHOD REDUCING HUMIDITY IN RESPIRATORY PROTECTIVE DEVICE

#96
20230173309
2023-06-08

NEGATIVE PRESSURE PROCEDURE MASK

#97
20230158341
2023-05-25

FACE MASK AND SYSTEM

#98
20230149749
2023-05-18

Custom-controllable powered respirator face mask

#99
20230142973
2023-05-11

WEARABLE DEVICES FOR TREATING AIR FOR INHALATION AND EXHALATION

#100
20230135133
2023-05-04

MASK

#101
20230132702
2023-05-04

DEAD AIR MASK FOR KILLING MICROORGANISMS IN AIR BREATHED BY A WEARER OF THE MASK

#102
20230129059
2023-04-27

DEVICE, SYSTEM AND METHOD FOR TREATING AIR DURING BREATHING

#103
20230122802
2023-04-20

BREATHING AIR CLEANING DEVICE

#104
20230121396
2023-04-20

RESPIRATOR WITH AIR SCRUBBING SYSTEM

#105
20230117930
2023-04-20

Positive Pressure Respirator Assembly

#106
20230101020
2023-03-30

Disposable PAPR with Viral Resistant Coatings

#107
20230074725
2023-03-09

DEVICE FOR PERSONAL PROTECTION AND INSULATION AGAINST POLLUTANTS AND MICROORGANISMS AND FILTERING GROUP FOR DEVICES FOR PROTECTION AND INSULATION

#108
20230067491
2023-03-02

Wireless rechargeable and portable anti-microbial respirator

#109
20230044656
2023-02-09

Blower device for a respirator

#110
20230021257
2023-01-19

MASK APPARATUS

#111
20230021198
2023-01-19

MASK APPARATUS

#112
20230020450
2023-01-19

MASK APPARATUS

#113
20230015311
2023-01-19

MASK APPARATUS

#114
20230013005
2023-01-19

MASK APPARATUS

#115
20230010836
2023-01-12

Wearable continuous positive airway pressure assembly

#116
20230001240
2023-01-05

INTELLIGENT AIR PURIFIER APPARATUS

#117
20220407325
2022-12-22

SYSTEM AND METHOD FOR ELECTRONIC DEVICE

#118
20220387829
2022-12-08

Two-way protective respirator system with positive air flow against airborne contaminant particles and vapor components

#119
20220387655
2022-12-08

Reusable purified air breathing device

#120
20220370837
2022-11-24

POWERED EXHAUST APPARATUS FOR A PERSONAL PROTECTION RESPIRATORY DEVICE

#121
20220355132
2022-11-10

Method of controlling a powered air purifying respirator

#122
20220347497
2022-11-03

METHODS OF ASSEMBLING PERSONAL AIR PURIFYING RESPIRATORS

#123
20220331621
2022-10-20

Modular powered air purifying respirator system

#124
20220331620
2022-10-20

FACE MASK

#125
20220330630
2022-10-20

Air delivery system having dual configuration air filtration assembly

#126
20220305302
2022-09-29

Face Mask Providing Filtered Intake and Exhaust Air

#127
20220305301
2022-09-29

WEARABLE SYSTEM FOR CLEANING AIR

#128
20220296937
2022-09-22

ELECTRONIC MASK WITH NEGATIVE PRESSURE

#129
20220296933
2022-09-22

POWERED AIR PURIFYING RESPIRATOR AND METHOD OF OPERATION

#130
20220288427
2022-09-15

MODULAR, ADJUSTABLE POWERED AIR PURIFYING RESPIRATOR SYSTEM

#131
20220266068
2022-08-25

Pathogen-Filtering Transparent Face Mask with an Air Impellor on the Back of the Head or Neck

#132
20220249878
2022-08-11

RESPIRATOR

#133
20220233894
2022-07-28

WEARABLE AIR FILTER SYSTEM

#134
20220226676
2022-07-21

POWERED AIR PURIFYING RESPIRATOR

#135
20220219023
2022-07-14

Personal air purifying respirator

#136
20220219021
2022-07-14

Method of controlling a powered air purifying respirator

#137
20220212040
2022-07-07

PERSONAL PROTECTIVE EQUIPMENT ENSEMBLE MADE UP OF A LAUNDERABLE HOOD AND AN AIR DISPERSION PROTECTIVE HEADGEAR

#138
20220202982
2022-06-30

Ultraviolet light disinfecting face shield system

#139
20220192289
2022-06-23

Mask device and method for controlling the same

#140
20220184433
2022-06-16

AIR TREATMENT SYSTEM

#141
20220184429
2022-06-16

FULL-COVER TYPE PORTABLE AIR PURIFIER

#142
20220184427
2022-06-16

RESPIRATORY PUMP ARRANGEMENT FOR PERSONAL RESPIRATORY ISOLATION AND METHOD OF USE

#143
20220182749
2022-06-09

Noise control

#144
20220180851
2022-06-09

Noise control

#145
20220180850
2022-06-09

Noise control

#146
20220176168
2022-06-09

SMART MASKS

#147
20220176003
2022-06-09

Personalized forced air purifier

#148
20220168597
2022-06-02

Powered exhaust apparatus for a personal protection respiratory device

#149
20220161064
2022-05-26

Filtered Air Supply Assembly

#150
20220143429
2022-05-12

Face Shield Assembly with Positive Pressure Airflow

#151
20220126126
2022-04-28

Jet Air Curtain For Personal Respiratory Protection

#152
20220118291
2022-04-21

DEVICES AND METHODS FOR CIRCULATING AIR BETWEEN A FACE COVERING AND AN INDIVIDUAL WEARING THE FACE COVERING

#153
20220118289
2022-04-21

MEDICAL DEVICE FOR THE INTERDICTION OF AIRBORNE BACTERIA AND VIRUSES

#154
20220111232
2022-04-14

LIGHT-TRANSMITTING MEMBER AND SHIELD

#155
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#156
20220105365
2022-04-07

INDIVIDUAL SYSTEM FOR AIR FILTRATION

#157
20220088420
2022-03-24

FACIAL GUARD SYSTEM

#158
20220080232
2022-03-17

Respiratory face mask for improved communications

#159
20220062668
2022-03-03

ACTIVE RESPIRATORY FACE SHIELD SYSTEM

#160
20220047901
2022-02-17

Magnetic quick connect

#161
20220047897
2022-02-17

Facemask Fan System

#162
20220040508
2022-02-10

WEARABLE AIR CLEANING DEVICE

#163
20220040506
2022-02-10

Mask Device with Improved Comfort, Airflow, Humidity, and Temperature Characteristics and Providing a Means for Conducting Facial Exercises

#164
20220040504
2022-02-10

Electrical control systems for powered air-purifying respirators

#165
20220032091
2022-02-03

FILTER MASK WITH ACCESSORY BELT

#166
20220026746
2022-01-27

EYEWEAR VENTILATION APPARATUS

#167
20220023680
2022-01-27

FACE SHIELD

#168
20220023675
2022-01-27

POWERED AIR-PURIFYING RESPIRATOR ASSEMBLY AND MANUFACTURING METHOD

#169
20220016449
2022-01-20

Mask apparatus and method for controlling the same

#170
20220016448
2022-01-20

REMOVABLE MASK AIRFLOW DEVICE

#171
20220016447
2022-01-20

Powered Air-Purifying Respirator

#172
20220016306
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#173
20220016302
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#174
20220016301
2022-01-20

Apparatus for reflecting an incident ray of electromagnetic radiation

#175
20220016300
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#176
20220016278
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#177
20220008760
2022-01-13

SMART MASK WITH IOT FUNCTION

#178
20220008759
2022-01-13

ACTIVE RESPIRATORY OPEN FACE SHIELD SYSTEM

#179
20220008757
2022-01-13

Portable air purifier

#180
20220008756
2022-01-13

Personal protective equipment system for safe air, train or bus travel protecting against infectious agents including novel coronavirus—COVID-19

#181
20210402223
2021-12-30

Mask apparatus

#182
20210402222
2021-12-30

Mask apparatus and method for controlling the same

#183
20210393995
2021-12-23

Positive-pressure protective wear

#184
20210387028
2021-12-16

Respirator Flow Control Apparatus And Method

#185
20210384582
2021-12-09

Removable battery pack and latch mechanism for securing a removable battery pack

#186
20210379419
2021-12-09

Mask apparatus

#187
20210379418
2021-12-09

Mask apparatus

#188
20210379417
2021-12-09

Mask apparatus

#189
20210379416
2021-12-09

Mask apparatus

#190
20210379415
2021-12-09

Mask apparatus

#191
20210379413
2021-12-09

DENTAL CONTAMINATE SHIELD

#192
20210379412
2021-12-09

Mask apparatus and method for controlling the same

#193
20210379308
2021-12-09

Respirator assembly and method of using the same

#194
20210369996
2021-12-02

Compact respirator assembly

#195
20210369906
2021-12-02

Ultraviolet air irradiation system and ultraviolet air irradiation process

#196
20210361983
2021-11-25

ACTIVE RESPIRATORY FILTRATION SYSTEM

#197
20210361982
2021-11-25

Air purification face mask structure

#198
20210353974
2021-11-18

Wearable air purifier

#199
20210353971
2021-11-18

Ultraviolet germicidal irradiation mask

#200
20210353969
2021-11-18

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

#201
20210339062
2021-11-04

Face mask with smart features and functions

#202
20210339059
2021-11-04

Air respirator accessory having a battery connector plug with an unplug lever

#203
20210339058
2021-11-04

Smart mask with a transparent mouth-covering portion and impellor- driven air filtration

#204
20210330853
2021-10-28

AIR PURIFICATION APPARATUS

#205
20210330418
2021-10-28

DEVICES, SYSTEMS, AND METHODS FOR PROTECTING HEALTHCARE WORKERS FROM AIRBORNE PATHOGENS

#206
20210322799
2021-10-21

Z-SHIELD FILTERED AIR PROTECTIVE SYSTEM

#207
20210316168
2021-10-14

Personal, portable, protective respirator system, with replaceable, protective barrier and air filtration system

#208
20210308499
2021-10-07

POWERED AIR-PURIFYING RESPIRATOR

#209
20210308498
2021-10-07

Personal protective system and methods of use

#210
20210308496
2021-10-07

RESPIRATORY MASK

#211
20210299487
2021-09-30

DO IT YOURSELF (DIY) RESPIRATION AND VENTILATION SYSTEMS AND METHODS

#212
20210299484
2021-09-30

Pathogen Protection Device

#213
20210275842
2021-09-09

Filter mask

#214
20210275841
2021-09-09

Filter mask

#215
20210275839
2021-09-09

Filter mask

#216
20210275838
2021-09-09

Plasmonic photoelectrochemical oxidation face mask

#217
20210274876
2021-09-09

Filter mask

#218
20210260415
2021-08-26

Wearable air purifier

#219
20210260414
2021-08-26

WEARABLE AIR PURIFIER

#220
20210248505
2021-08-12

PERSONAL PROTECTIVE EQUIPMENT SYSTEM HAVING ANALYTICS ENGINE WITH INTEGRATED MONITORING, ALERTING, AND PREDICTIVE SAFETY EVENT AVOIDANCE

#221
20210228920
2021-07-29

Filtering mask assembly

#222
20210220678
2021-07-22

HEATING FOR POWERED AIR UNIT

#223
20210196992
2021-07-01

Combination air filter and protective mask

#224
20210195387
2021-06-24

SMART MASK AND SMART MASK-BASED SERVICE SYSTEM

#225
20210187333
2021-06-24

Blower device for a respiratory protection system

#226
20210113863
2021-04-22

NASAL MASK

#227
20210113861
2021-04-22

Powered air-purifying respirator (PAPR) with eccentric venturi air flow rate determination

#228
20210113860
2021-04-22

POWERED AIR PURIFYING RESPIRATOR DEVICE

#229
20210106853
2021-04-15

Respirator mask for CBRN or other protection

#230
20210052921
2021-02-25

Modular, integrated powered air purifying respirator system

#231
20210046335
2021-02-18

Snow burial survival mask

#232
20210033100
2021-02-04

Blower filter device for potentially explosive areas and process for operating a blower filter device

#233
20200406069
2020-12-31

Versatile and multi-purpose breathing mask

#234
20200376306
2020-12-03

Respirator with floating elastomeric sleeve

#235
20200376305
2020-12-03

PERSONAL PROTECTIVE EQUIPMENT SYSTEM FOR SAFE AIR, TRAIN OR BUS TRAVEL PROTECTING AGAINST INFECTIOUS AGENTS INCLUDING NOVEL CORONAVIRUS - COVID-19

#236
20200360736
2020-11-19

PORTABLE AIR TREATMENT DEVICE AND METHOD FOR SUPPLYING FILTERED AIR TO A PERSON

#237
20200353294
2020-11-12

RESPIRATOR

#238
20200297044
2020-09-24

Combination air filter and protective gown

#239
20200282242
2020-09-10

Portable personal respirator and use thereof

#240
20200276461
2020-09-03

Powered air breathing apparatus

#241
20200215359
2020-07-09

Wearable device for delivering air

#242
20200206545
2020-07-02

Mask apparatus

#243
20200164236
2020-05-28

Powered air purifying respirator composing 2-channel structure for air support

#244
20200121963
2020-04-23

Data communication and displays for breathing apparatus facepieces and pressure regulators

#245
20200108281
2020-04-09

Method and apparatus for providing air flow

#246
20190388715
2019-12-26

PARTICULATE FILTER FACE MASK HAVING FAN BREATHING ASSIST

#247
20190275359
2019-09-12

Custom-controllable powered respirator face mask

#248
20190275357
2019-09-12

PORTABLE POSITIVE AIR FILTRATION DEVICE

#249
20190255367
2019-08-22

PERSONALIZED FORCED AIR PURIFIER

#250
20190175962
2019-06-13

Breathing mask with increased user comfort

#251
20190175959
2019-06-13

Temperature-control device for heating and/or cooling gases or gas mixtures preferably for the use in the field of respiratory protection

#252
20190160246
2019-05-30

Breathing apparatus provided with a breath-synchronized motor fan

#253
20190151686
2019-05-23

Modular powered air purifying respirator system

#254
20190151685
2019-05-23

POWERED AIR PURIFYING RESPIRATOR WITH CYLINDRICAL CARTRIDGE

#255
20190143154
2019-05-16

Compact powered air purifying respirator with auto-change filter and built-in end of service life indicator

#256
20190126077
2019-05-02

Method of controlling a powered air purifying respirator

#257
20190126076
2019-05-02

Method of controlling a powered air purifying respirator

#258
20190117820
2019-04-25

Personal air treatment system and method

#259
20190083822
2019-03-21

Respirator flow control apparatus and method

#260
20190048879
2019-02-14

Cross flow blower

#261
20190030377
2019-01-31

Bayonet hose connector assembly mechanism in powered air purifying air respirator housing

#262
20190022433
2019-01-24

Powered air-purifying respirator (PAPR) with eccentric venturi air flow rate determination

#263
20190009115
2019-01-10

CBRN breathing apparatus

#264
20180361295
2018-12-20

Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using

#265
20180311515
2018-11-01

Facial shielding system for protection from environmental hazards

#266
20180296864
2018-10-18

Respirator

#267
20180256925
2018-09-13

METHOD AND APPARATUS FOR PROVIDING POWER FOR A DEVICE

#268
20180236275
2018-08-23

Particulate filter face mask having fan breathing assist

#269
20180221691
2018-08-09

Powered air breathing apparatus

#270
20180193677
2018-07-12

Gas delivery system

#271
20180185677
2018-07-05

Powered Exhaust Apparatus For A Personal Protection Respiratory Device

#272
20180110946
2018-04-26

AIR IMPELLER DEVICE FOR PROVIDING ASSISTED VENTILATION DURING SPONTANEOUS BREATHING

#273
20180078798
2018-03-22

RESPIRATORY MASKS, SYSTEMS AND METHODS

#274
20180064967
2018-03-08

Snow burial survival mask

#275
20180036562
2018-02-08

Method and apparatus for providing air flow

#276
20180028846
2018-02-01

Breath responsive powered air purifying respirator

#277
20180028845
2018-02-01

Respirator with floating elastomeric sleeve

#278
20180021605
2018-01-25

COAL MINER PERSONAL AIR FILTRATION SYSTEM SPECIALLY ADAPTED FOR LOW CEILING MINES

#279
20180001120
2018-01-04

Filter assembly for a breathing apparatus

#280
20170372216
2017-12-28

Personal protective equipment system having analytics engine with integrated monitoring, alerting, and predictive safety event avoidance

#281
20170361134
2017-12-21

BREATHING APPARATUS

#282
20170361133
2017-12-21

Wearable device for delivering air

#283
20170333737
2017-11-23

WEARABLE AIR PURIFICATION DEVICE

#284
20170319879
2017-11-09

Air-supply device

#285
20170184093
2017-06-29

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

#286
20170136271
2017-05-18

PERSONAL AIR FILTRATION DEVICE

#287
20170136268
2017-05-18

Powered air purifying respirator

#288
20170120084
2017-05-04

Respiratory device with unidirectional valve for attaching active venting system

#289
20170113075
2017-04-27

Supply Device for Supplying Breathable Air

#290
20170080263
2017-03-23

MASK

#291
20170072232
2017-03-16

Sleeve-fit respirator cartridge

#292
20170001048
2017-01-05

BLOWER FILTER DEVICE, RESPIRATORY PROTECTION DEVICE, OPERATIONAL INFRASTRUCTURE AND METHOD

#293
20160372944
2016-12-22

Electronic circuit of a battery, battery, blower filter device as well as a method for charging a battery of a blower filter device

#294
20160317845
2016-11-03

Breathing apparatus

#295
20160310769
2016-10-27

ACTIVE VENTING SYSTEM AND DEVICES INCORPORATING ACTIVE VENTING SYSTEM

#296
20160279450
2016-09-29

Positive air pressure facemask and multi-staged filter system therefor

#297
20160271429
2016-09-22

BREATHING APPARATUS

#298
20160271428
2016-09-22

Blower filter respirator system

#299
20160236014
2016-08-18

Blower filter device, respirator system and method

#300
20160213955
2016-07-28

Powered air-purifying respirator