ClassID:

24591

A62B18/10 - 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; Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices Valves

Recent Application in this class:
#1
20260091250
2026-04-02

FILTER FACEMASK

#2
20260054106
2026-02-26

FILTERING FACEPIECE RESPIRATOR WITH AN ADJUSTABLE INHALATION-EXHALATION VALVE

#3
20260041942
2026-02-12

DEVICES FOR PREVENTING INHALATION OF, EXPOSURE TO, AIRBORNE MATERIAL

#4
20260027391
2026-01-29

MULTI-MODE PROTECTIVE RESPIRATOR

#5
20260007909
2026-01-08

REUSABLE PURIFIED AIR BREATHING DEVICE WITH FIXED AND RETRACTABLE DISPLAY SCREENS

#6
20250387651
2025-12-25

PERSONAL PROTECTIVE EQUIPMENT MASK WITH EXCHANGABLE FILTER

#7
20250332317
2025-10-30

METHOD, APPARATUS AND SYSTEM FOR REDUCING PATHOGENS IN A BREATHABLE AIRSTREAM IN AN ENVIRONMENT

#8
20250325849
2025-10-23

ULTRAVIOLET DECONTAMINATING MASK

#9
20250312627
2025-10-09

PERSONAL PROTECTIVE EQUIPMENT

#10
20250288832
2025-09-18

RESPIRATORY PROTECTION MASK HAVING A LINEARLY MOVABLE DRINKING UNIT

#11
20250281777
2025-09-11

VENTILATED PROTECTION DEVICE FOR THE RESPIRATORY TRACT

#12
20250242180
2025-07-31

RECEPTACLE DEVICE

#13
20250235724
2025-07-24

Mask

#14
20250205522
2025-06-26

MASK

#15
20250162786
2025-05-22

GAS STORAGE DEVICES

#16
20250161722
2025-05-22

Breathing Apparatus Pressurisation Failsafe

#17
20250144453
2025-05-08

A MASK

#18
20250135245
2025-05-01

Respirator Tab

#19
20250114650
2025-04-10

A PLATFORM FOR RESPIRATORY PROTECTIVE EQUIPMENT

#20
20250090789
2025-03-20

PATIENT INTERFACE AND A SPEECH VALVE THEREFOR

#21
20250090726
2025-03-20

METHOD OF TREATING SPINAL DISK

#22
20250050141
2025-02-13

RESPIRATOR NEGATIVE PRESSURE FIT CHECK DEVICES AND METHODS

#23
20240416157
2024-12-19

EXHALATION VALVE AND RESPIRATOR INCLUDING SAME

#24
20240374939
2024-11-14

MASK APPARATUSES AND APPROACH WITH INTERFACE SEAL

#25
20240350764
2024-10-24

PRESSURE SAFETY DEVICE FOR BAG VALVE MASK

#26
20240342517
2024-10-17

REUSABLE PURIFIED AIR BREATHING DEVICE WITH A RETRACTABLE DISPLAY SCREEN

#27
20240342514
2024-10-17

MODULAR FULL-FACE RESPIRATOR

#28
20240316373
2024-09-26

RESPIRATORY PROTECTION DEVICE POSITIVE PRESSURE SEAL CHECK METHODS AND DEVICES

#29
20240315876
2024-09-26

PROTECTION DEVICE WITH INTEGRATED FILTER MASK AND EYE SHIELD WITH MAGNIFICATION LENSES

#30
20240307712
2024-09-19

Facemask with Vibrating Alert Device

#31
20240299782
2024-09-12

Receptacle device

#32
20240285982
2024-08-29

RESPIRATOR HAVING OPTICALLY ACTIVE EXHALATION VALVE

#33
20240269493
2024-08-15

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

#34
20240261603
2024-08-08

VALVE ASSEMBLY

#35
20240252848
2024-08-01

COLLAPSIBLE PROTECTIVE RESPIRATORY MASK

#36
20240245940
2024-07-25

PROTECTIVE FACE MASK

#37
20240207659
2024-06-27

RESPIRATORY SYSTEM PROTECTION DEVICE

#38
20240139558
2024-05-02

APPARATUS AND METHOD FOR AIRFLOW ADJUSTMENT IN RESPIRATORY PROTECTIVE DEVICE

#39
20240123267
2024-04-18

Fine particle pollution filtering face mask suitable for aerobic exercise

#40
20240123265
2024-04-18

MASK CONTROLLING AIR VOLUME AND CONTROLLING METHOD THEREFOR

#41
20240108922
2024-04-04

A Facial Mask Assembly Dispensing a Protective Laminar Airflow

#42
20240108919
2024-04-04

Assistive Respiration Apparatus

#43
20240091573
2024-03-21

RESPIRATOR FIT CHECK SEALING DEVICES AND METHODS

#44
20240091486
2024-03-21

Patient interface and a speech valve therefor

#45
20240066330
2024-02-29

Respirator

#46
20240058629
2024-02-22

Face mask with auxiliary oxygen

#47
20240050784
2024-02-15

REUSABLE, FLEXIBLE HALF FACEMASKS, FACEMASK KITS, AND METHODS OF ASSEMBLING SAME

#48
20240042248
2024-02-08

MASK APPARATUS

#49
20240024708
2024-01-25

Versatile and multi-purpose breathing mask

#50
20240024707
2024-01-25

GENERIC MODULAR RESPIRATOR

#51
20230390594
2023-12-07

A Bi-Valve Air Filter Mask

#52
20230381554
2023-11-30

MAGNETIC QUICK CONNECT

#53
20230364451
2023-11-16

TESTING APPARATUS FOR RESPIRATORS AND METHOD OF USING THE SAME

#54
20230364450
2023-11-16

Protection Device for the Respiratory Tract

#55
20230330453
2023-10-19

A Respirator System

#56
20230330451
2023-10-19

FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME

#57
20230330450
2023-10-19

FACE MASK HAVING IMPROVED AIR PERMEABILITY

#58
20230330448
2023-10-19

DE-MISTING SYSTEM FOR A MASK AND ASSOCIATED METHODS

#59
20230321465
2023-10-12

Unitary respirator with molded thermoset elastomeric elements

#60
20230293916
2023-09-21

REGULATOR ASSEMBLY FOR AN AIRCREW BREATHING MASK

#61
20230285780
2023-09-14

MULTI-FUNCTION MASK

#62
20230256271
2023-08-17

SYMMETRICAL FLOW RESPIRATOR

#63
20230249009
2023-08-10

Oxygen Mask Assembly

#64
20230248877
2023-08-10

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

#65
20230235828
2023-07-27

VALVE FOR RESPIRATORY MASK

#66
20230233887
2023-07-27

SELECTIVELY ACCESSIBLE MOUTH CLOSURE MASK

#67
20230226384
2023-07-20

Rotatably adjustable face mask valve

#68
20230226306
2023-07-20

Pressure safety device for bag valve mask

#69
20230226260
2023-07-20

Method of treating spinal disk

#70
20230218931
2023-07-13

Bidirectional reusable filtering face mask

#71
20230218020
2023-07-13

INFECTION PREVENTION BAG USED WHEN COLLECTING SPECIMEN FROM NASOPHARYNX

#72
20230191171
2023-06-22

PROTECTION FACE MASK UNIT WITH AN ADDITIONAL FILTER FOR THE EXHALED AIR

#73
20230181943
2023-06-15

RESPIRATOR MASK FOR LONG-TERM USE

#74
20230181935
2023-06-15

Respirator

#75
20230166131
2023-06-01

AIR FILTRATION MASK

#76
20230158345
2023-05-25

MULTI-MASK EQUIPMENT

#77
20230158342
2023-05-25

FACE MASK

#78
20230158341
2023-05-25

FACE MASK AND SYSTEM

#79
20230149750
2023-05-18

Face Masks and Methods of Producing Same

#80
20230147583
2023-05-11

Protective Breathing Apparatus For Viruses And Toxic Particles

#81
20230142973
2023-05-11

WEARABLE DEVICES FOR TREATING AIR FOR INHALATION AND EXHALATION

#82
20230122802
2023-04-20

BREATHING AIR CLEANING DEVICE

#83
20230117086
2023-04-20

Face mask in a cup shape with sticky micro droplets sprayed between its synthetic mesh layers

#84
20230098626
2023-03-30

PPE with rotating assembly providing multiple face covers

#85
20230083382
2023-03-16

BREATHABLE MASK

#86
20230074725
2023-03-09

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

#87
20220395710
2022-12-15

Negative Pressure Respirator Assembly

#88
20220387655
2022-12-08

Reusable purified air breathing device

#89
20220370837
2022-11-24

POWERED EXHAUST APPARATUS FOR A PERSONAL PROTECTION RESPIRATORY DEVICE

#90
20220339474
2022-10-27

Respirator tab

#91
20220331621
2022-10-20

Modular powered air purifying respirator system

#92
20220312882
2022-10-06

HELMET HAVING A BREATHING MASK ASSEMBLY

#93
20220288429
2022-09-15

OXYGEN MASK FOR USE IN AN AIRCRAFT, EMERGENCY OXYGEN SYSTEM, AND AIRCRAFT

#94
20220288428
2022-09-15

Reusable Respirator

#95
20220288347
2022-09-15

Bidirectional Flow-Controllable Artificial Respirator

#96
20220288268
2022-09-15

METHOD, APPARATUS AND SYSTEM FOR REDUCING PATHOGENS IN A BREATHABLE AIRSTREAM IN AN ENVIRONMENT

#97
20220249881
2022-08-11

FACE MASK

#98
20220241622
2022-08-04

Receptacle device

#99
20220241621
2022-08-04

Oxygen Mask For Supplying Oxygen To A Person

#100
20220234703
2022-07-28

GAS DISTRIBUTOR FOR REBREATHER SUPPORTING CLOSED AND OPEN CIRCUIT MODES

#101
20220233894
2022-07-28

WEARABLE AIR FILTER SYSTEM

#102
20220226678
2022-07-21

MASK

#103
20220193462
2022-06-23

Face Mask With Improved Air Flow

#104
20220176169
2022-06-09

Mask

#105
20220168597
2022-06-02

Powered exhaust apparatus for a personal protection respiratory device

#106
20220134140
2022-05-05

PPE with rotating assembly providing multiple face covers

#107
20220126132
2022-04-28

TIGHT FITTING RESPIRATOR WITH EXHALATION FILTER AND EXHALATION FILTER FOR TIGHT FITTING RESPIRATOR

#108
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#109
20220105227
2022-04-07

DUAL CHAMBER ULTRA-VIOLET LED DEVICE FOR USE WITH FACE MASKS TO DISINFECT END-USER'S INHALED AND EXHALED AIR

#110
20220096880
2022-03-31

Air Filter Mask

#111
20220096875
2022-03-31

Personal protected-air system

#112
20220088424
2022-03-24

RADIOFREQUENCY ENABLED FILTERING FACEPIECE RESPIRATOR

#113
20220088423
2022-03-24

FILTERING FACEPIECE RESPIRATOR WITH AN ADJUSTABLE INHALATION-EXHALATION VALVE

#114
20220088422
2022-03-24

Respirator fit check sealing devices and methods

#115
20220080231
2022-03-17

Dual Mode Breathing Apparatus

#116
20220080229
2022-03-17

RESPIRATION SYSTEM AND METHOD OF USE

#117
20220080228
2022-03-17

SYSTEMS AND METHODS FOR AUTOMATED RESPIRATOR

#118
20220071319
2022-03-10

Personal Ventilation System for an Air Mask

#119
20220047901
2022-02-17

Magnetic quick connect

#120
20220047898
2022-02-17

Method, apparatus and system for reducing pathogens in a breathable airstream

#121
20220047766
2022-02-17

Method, apparatus and system for reducing pathogens in a breathable airstream in an environment

#122
20220040444
2022-02-10

Flow triggered gas delivery

#123
20220040358
2022-02-10

Ultra-v mask

#124
20220039491
2022-02-10

SYSTEMS AND METHODS FOR MOLDABLE AND CASTABLE PERSONAL PROTECTIVE FACE MASKS

#125
20220032094
2022-02-03

Anti-Germ Breathing Device

#126
20220023680
2022-01-27

FACE SHIELD

#127
20220008764
2022-01-13

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

#128
20220001218
2022-01-06

INSULATING BREATHER

#129
20210402343
2021-12-30

DEVICES AND METHODS TO PREVENT TRANSFER OF INFECTIOUS AGENTS USING A MACHINE LEARNING MODEL

#130
20210387029
2021-12-16

Dual Clappet Mask

#131
20210387028
2021-12-16

Respirator Flow Control Apparatus And Method

#132
20210387026
2021-12-16

BREATHING MASK AND HOOD

#133
20210386141
2021-12-16

Transparent flexible self-attaching face mask

#134
20210379420
2021-12-09

Filtering face mask and respirator

#135
20210370108
2021-12-02

DEVICES FOR PREVENTING INHALATION OF, EXPOSURE TO, AIRBORNE MATERIAL

#136
20210369906
2021-12-02

Ultraviolet air irradiation system and ultraviolet air irradiation process

#137
20210353980
2021-11-18

MULTI-FLAP VALVE FOR A RESPIRATORY DEVICE

#138
20210353971
2021-11-18

Ultraviolet germicidal irradiation mask

#139
20210330997
2021-10-28

Plurisensorial System Adapted for the Prevention of Professional Diseases in the Working Environment, and Method for the Use of the System

#140
20210330418
2021-10-28

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

#141
20210330005
2021-10-28

ANTIVIRAL AND ANTIBACTERIAL FACE MASK

#142
20210316163
2021-10-14

Respirator mask with air-saver switch

#143
20210315297
2021-10-14

Self-contained, mobile breathing apparatus or appliance that supplies pathogen and endotoxin free, rhythmically breathable air to the wearer or treated space through active, continuous bio-deactivation and destruction of bacteria, fungi, viral and allergenic/antigenic matter safely when using benign, household, rechargeable filtration media

#144
20210315292
2021-10-14

FULL-COVER FACE FILTER MASK

#145
20210308500
2021-10-07

ULTRAVIOLET DECONTAMINATING MASK

#146
20210308496
2021-10-07

RESPIRATORY MASK

#147
20210307418
2021-10-07

PPE with rotating assembly providing multiple face covers

#148
20210299484
2021-09-30

Pathogen Protection Device

#149
20210290992
2021-09-23

Respirator negative pressure fit check devices and methods

#150
20210283434
2021-09-16

Exhalation valve and respirator including same

#151
20210283432
2021-09-16

Helmet

#152
20210283431
2021-09-16

FULL FACE MASK EQUIPPED WITH AN INLET AIR FILTER

#153
20210275842
2021-09-09

Filter mask

#154
20210275841
2021-09-09

Filter mask

#155
20210275839
2021-09-09

Filter mask

#156
20210275838
2021-09-09

Plasmonic photoelectrochemical oxidation face mask

#157
20210274876
2021-09-09

Filter mask

#158
20210268318
2021-09-02

CONNECTION APPARATUS FOR BREATHING APPARATUS

#159
20210259343
2021-08-26

High-temperature virus-killing mask

#160
20210228921
2021-07-29

Respiratory protection device positive pressure seal check methods and devices

#161
20210228920
2021-07-29

Filtering mask assembly

#162
20210205640
2021-07-08

PORTABLE GAS SUPPLY DEVICE AND RESPIRATORY ASSISTANCE SYSTEM

#163
20210195387
2021-06-24

SMART MASK AND SMART MASK-BASED SERVICE SYSTEM

#164
20210170206
2021-06-10

Respirator mask with air-saver switch

#165
20210162244
2021-06-03

DUSTPROOF MASK AND MANUFACTURING METHOD THEREOF

#166
20210113859
2021-04-22

Respirator having optically active exhalation valve

#167
20210112893
2021-04-22

Flat-Fold Respirator

#168
20210106853
2021-04-15

Respirator mask for CBRN or other protection

#169
20210093902
2021-04-01

AIR POLLUTION MASK FOR CANINES OR THE LIKE

#170
20210093205
2021-04-01

REAL-TIME SENSING MEASUREMENT AND INTELLIGENT CONTROL TECHNOLOGY APPARATUS FOR A RESPIRATORY VOLUME OF A TESTED PERSON

#171
20210086005
2021-03-25

Facemask having integrated modules

#172
20210085829
2021-03-25

Method of treating spinal disk

#173
20210046335
2021-02-18

Snow burial survival mask

#174
20210038928
2021-02-11

Foldable Face-Piece Respirator With Exhalation Valve

#175
20200406069
2020-12-31

Versatile and multi-purpose breathing mask

#176
20200360736
2020-11-19

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

#177
20200346052
2020-11-05

Serviceable cartridge assembly for respirator exhalation unit

#178
20200324151
2020-10-15

VALVE MEMBRANE

#179
20200324150
2020-10-15

Patient interface and a speech valve therefor

#180
20200316414
2020-10-08

Respirator fit check sealing devices and methods

#181
20200289859
2020-09-17

Full face respirator

#182
20200231260
2020-07-23

Diving masks

#183
20200197732
2020-06-25

Bypass knob for breathing apparatus pressure regulator

#184
20200179859
2020-06-11

METHOD AND APPARATUS FOR INTEGRATING CHEMICAL AND ENVIRONMENTAL SENSORS INTO AN AIR PURIFICATION FILTER THROUGH A REUSABLE SENSOR POST

#185
20200173568
2020-06-04

Directional valve, especially for breathing gases, and method for manufacturing same

#186
20200171263
2020-06-04

BREATH WARMER AND SENSOR PLATFORM

#187
20200155878
2020-05-21

HALF FACEPIECE

#188
20200147417
2020-05-14

Device For Supplying Breathing Gas To A User

#189
20200130792
2020-04-30

Full-face diving mask

#190
20200115015
2020-04-16

Snorkeling breathing apparatus

#191
20200061400
2020-02-27

DEVICE FOR MEASURING THE LEAKAGE RATE OF AT LEAST ONE ELEMENT OF A PROTECTIVE BREATHING MASK

#192
20200061399
2020-02-27

Venus Flu Trap

#193
20200038696
2020-02-06

Positive pressure exhale valve for a breathing apparatus

#194
20200038695
2020-02-06

Respirator

#195
20200024065
2020-01-23

Gas storage devices

#196
20190388715
2019-12-26

PARTICULATE FILTER FACE MASK HAVING FAN BREATHING ASSIST

#197
20190374797
2019-12-12

Filter tube respirator

#198
20190366029
2019-12-05

Pressure safely device for bag valve mask

#199
20190358473
2019-11-28

Face mask for filtering air and air monitoring system

#200
20190321663
2019-10-24

Emergency aircraft passenger oxygen respirator

#201
20190290942
2019-09-26

Breathing equipment training

#202
20190255370
2019-08-22

HALF FACEPIECE

#203
20190224506
2019-07-25

Membrane valve and manufacturing method therefor

#204
20190217133
2019-07-18

Valve structure for respirator

#205
20190175962
2019-06-13

Breathing mask with increased user comfort

#206
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

#207
20190166929
2019-06-06

Earless filter mask

#208
20190160246
2019-05-30

Breathing apparatus provided with a breath-synchronized motor fan

#209
20190151686
2019-05-23

Modular powered air purifying respirator system

#210
20190151602
2019-05-23

Nonreturn valve for a compact ventilation system as well as compact ventilation system

#211
20190151591
2019-05-23

Exhaust valve shroud for a personal protection respiratory device

#212
20190143253
2019-05-16

Mask and Method for Manufacturing Same

#213
20190143153
2019-05-16

Shell Structure And Mask Including Same

#214
20190143152
2019-05-16

Inner shell and mask including same

#215
20190126096
2019-05-02

APPARATUS FOR PROVIDING CONTROLLED FLOW OF INHALATION-AIR TO A USER

#216
20190083823
2019-03-21

Multiple chamber respirator sealing devices and methods

#217
20190083822
2019-03-21

Respirator flow control apparatus and method

#218
20190070440
2019-03-07

Respirator having noncircular centroid-mounted exhalation valve

#219
20190046817
2019-02-14

FULL FACE PIECE OF A BREATHING APPARATUS

#220
20180369618
2018-12-27

Partition plate device of a respirator mask

#221
20180369616
2018-12-27

Respirator mask management system

#222
20180353782
2018-12-13

Foldable Face-Piece Respirator With Exhalation Valve

#223
20180339178
2018-11-29

Unitary respirator with molded thermoset elastomeric elements

#224
20180296876
2018-10-18

BREATHING MASK

#225
20180289991
2018-10-11

Serviceable cartridge assembly for respirator exhalation unit

#226
20180289990
2018-10-11

Water survival mask

#227
20180289988
2018-10-11

Face mask assembly

#228
20180280758
2018-10-04

Infinitely adjustable training mask with an air filter and a drinking device

#229
20180256926
2018-09-13

SMART MASK CAPABLE OF MONITORING AIR QUALITY INHALED BY USER

#230
20180250537
2018-09-06

Facemask with Pleated Filter and Continuous Strap

#231
20180236275
2018-08-23

Particulate filter face mask having fan breathing assist

#232
20180193677
2018-07-12

Gas delivery system

#233
20180193676
2018-07-12

HYDRATION AND AIR COOLING SYSTEM

#234
20180185677
2018-07-05

Powered Exhaust Apparatus For A Personal Protection Respiratory Device

#235
20180154195
2018-06-07

Respirator tab

#236
20180110945
2018-04-26

First-aid mask and inflatable structure thereof

#237
20180087680
2018-03-29

Directional valve, especially for breathing gases, and method for manufacturing same

#238
20180078798
2018-03-22

RESPIRATORY MASKS, SYSTEMS AND METHODS

#239
20180078797
2018-03-22

Earless filter mask

#240
20180064967
2018-03-08

Snow burial survival mask

#241
20180050228
2018-02-22

Breathing mask and flushing arrangement for a breathing mask

#242
20180001119
2018-01-04

FILTER FOR RESPIRATOR MASK OR OTHER FILTERING APPLICATIONS

#243
20170361134
2017-12-21

BREATHING APPARATUS

#244
20170340906
2017-11-30

Breathing equipment training

#245
20170340031
2017-11-30

Respirator valve

#246
20170318875
2017-11-09

Respirator Nosepiece

#247
20170312557
2017-11-02

Air purifier

#248
20170311661
2017-11-02

Respirator Tab

#249
20170258150
2017-09-14

Flat-fold respirator

#250
20170251952
2017-09-07

Exhaled breath hypoxia biomarkers

#251
20170209719
2017-07-27

FACE MASK

#252
20170137097
2017-05-18

HAZARDOUS-ENVIRONMENTAL DIVING SYSTEMS

#253
20170120084
2017-05-04

Respiratory device with unidirectional valve for attaching active venting system

#254
20170100612
2017-04-13

HOOD FOR CLEANROOM GOWN AND CLEAN ROOM GOWN

#255
20170100611
2017-04-13

Method for the control of the breathing gas supply

#256
20170072232
2017-03-16

Sleeve-fit respirator cartridge

#257
20170050056
2017-02-23

Respirator and head-mounted protective apparatus

#258
20170043192
2017-02-16

Aircraft crew member protective breathing apparatus

#259
20170036045
2017-02-09

DIAPHRAGM

#260
20170021204
2017-01-26

OXYGEN RESPIRATOR FOR EMERGENCY EVACUATIONS

#261
20170014653
2017-01-19

Filtering Face-Piece Respirator With Increased Friction Perimeter

#262
20170007861
2017-01-12

Heat deformable material for face seal

#263
20170007859
2017-01-12

GAS PRESSURE REDUCER WITH ELECTRICALLY-POWERED MASTER SYSTEM

#264
20160375276
2016-12-29

Respirator having optically active exhalation valve

#265
20160367842
2016-12-22

SURGICAL FACE MASK, INCLUDING REUSABLE MASKS, WITH FILTERED INHALATION AND EXHALATION VALVES

#266
20160361679
2016-12-15

Layered or mixed sorbent bed protective filtration device

#267
20160361575
2016-12-15

Face mask assembly

#268
20160354718
2016-12-08

Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post

#269
20160354620
2016-12-08

RESPIRATORY MASKS FOR USE IN AIRCRAFTS

#270
20160303405
2016-10-20

Pulse saturation oxygen delivery system and method

#271
20160271429
2016-09-22

BREATHING APPARATUS

#272
20160243383
2016-08-25

UNPOWERED RESPIRATORY PROTECTIVE HEADSET AND BODY SUIT AND ADDITIONAL IMPROVEMENTS TO PERSONAL PROTECTIVE EQUIPMENT

#273
20160213958
2016-07-28

Shooting Mask

#274
20160213957
2016-07-28

Breathing Mask

#275
20160213956
2016-07-28

Oxygen mask

#276
20160193485
2016-07-07

EMERGENCY BREATHING APPARATUS

#277
20160175624
2016-06-23

Head protection device and respirator device

#278
20160175623
2016-06-23

Hypoxia recovery system for mask off hypoxia training

#279
20160129287
2016-05-12

Scent Suppression Mask

#280
20160129286
2016-05-12

Breathing Mask With Variable Airflow Resistance Insert

#281
20160107006
2016-04-21

Helmet for anesthesia

#282
20160089553
2016-03-31

Breathing equipment training

#283
20160083058
2016-03-24

SURVIVAL HELMET DEVICE

#284
20160074683
2016-03-17

Respirator mask for CBRN or other protection

#285
20160074682
2016-03-17

Butterfly Type Exhalation Valve

#286
20160059051
2016-03-03

Air purification respirator voice amplifier

#287
20160045772
2016-02-18

Filtering face-piece respirator having an integrally-joined exhalation valve

#288
20160030778
2016-02-04

RESPIRATOR MASK COMPRISING A SLIDING SEAT DEVICE

#289
20160008640
2016-01-14

Integrated ballistic helmet and gas mask

#290
20160001108
2016-01-07

Breathing apparatus with ultraviolet light emitting diode

#291
20160001105
2016-01-07

Automatic switchable exhale cartridge

#292
20160001104
2016-01-07

Combined exhale and inlet valve for respirator

#293
20150343245
2015-12-03

AIR CLEANING APPARATUS AND HEALTH EXAMINATION SYSTEM USING THE SAME

#294
20150290481
2015-10-15

Method for the control of the breathing gas supply

#295
20150284061
2015-10-08

HAZARDOUS-ENVIRONMENTAL DIVING SYSTEMS

#296
20150283410
2015-10-08

RESPIRATOR MASK

#297
20150273249
2015-10-01

Portable Air Cleaner

#298
20150250977
2015-09-10

Respirator

#299
20150238783
2015-08-27

Respirator having elastic straps having openwork structure

#300
20150217146
2015-08-06

RESPIRATOR MASK COMPRISING A BAYONET CLOSURE FOR A FILTER MODULE