ClassID:

24582

A62B18/025 - 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; Masks Halfmasks

Recent Application in this class:
#1
20260027391
2026-01-29

MULTI-MODE PROTECTIVE RESPIRATOR

#2
20260014340
2026-01-15

RESPIRATORY MASK SYSTEM

#3
20260007909
2026-01-08

REUSABLE PURIFIED AIR BREATHING DEVICE WITH FIXED AND RETRACTABLE DISPLAY SCREENS

#4
20260000921
2026-01-01

Facemask with Filter Insert for Protection Against Airborne Pathogens

#5
20250332317
2025-10-30

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

#6
20250303203
2025-10-02

MASK APPARATUSES AND APPROACH WITH ADJUSTABLE VALVE

#7
20250269211
2025-08-28

PERSONAL PROTECTIVE DEVICE AND METHODS OF MANUFACTURE THEREOF

#8
20250222284
2025-07-10

ADAPTIVE AUXILIARY AIR SUPPLY RESPIRATOR AND CONTROL METHOD THEREOF

#9
20250205521
2025-06-26

VACUUM-SEALED ORAL-NASAL MASK

#10
20250152978
2025-05-15

A MASK CONFIGURED FOR PRESSURE MAINTENANCE

#11
20250144453
2025-05-08

A MASK

#12
20250090789
2025-03-20

PATIENT INTERFACE AND A SPEECH VALVE THEREFOR

#13
20250051568
2025-02-13

Dual-Molded Polyamide-Silicone Composite Article and Methods of Making

#14
20250001023
2025-01-02

PATHOGEN-INACTIVATING FACIAL MASK

#15
20240424324
2024-12-26

QUANTUM PRODUCTION AND SUPPLY OF ONE OR MORE BREATHING OR OTHER SUBSTANCES TO AN ORGANISM

#16
20240374937
2024-11-14

LOCKING MECHANISM FOR RESPIRATOR ASSEMBLY

#17
20240366973
2024-11-07

HEAD WEARABLE AIR PURIFIER

#18
20240359041
2024-10-31

FILTER MASK HAVINE ONE OR MORE MALLEABLE STIFFENING MEMBERS

#19
20240342517
2024-10-17

REUSABLE PURIFIED AIR BREATHING DEVICE WITH A RETRACTABLE DISPLAY SCREEN

#20
20240342420
2024-10-17

RESPIRATORY MASK SYSTEM

#21
20240342418
2024-10-17

BREATHING APPARATUS WITH MULTIPLE BREATHING CHANNELS

#22
20240299612
2024-09-12

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

#23
20240285982
2024-08-29

RESPIRATOR HAVING OPTICALLY ACTIVE EXHALATION VALVE

#24
20240269414
2024-08-15

LINER AND RETAINING MEMBER FOR USE WITH RESPIRATORY MASK

#25
20240252852
2024-08-01

INTEROPERABLE RESPIRATORY MASK SYSTEM

#26
20240252851
2024-08-01

Nose mask

#27
20240245939
2024-07-25

RESPIRATOR

#28
20240238627
2024-07-18

RESPIRATORY MASK

#29
20240207657
2024-06-27

FACE MASK DEVICE ALLOWING COMFORTABLE RESPIRATION ACCORDING TO AIR FLOW

#30
20240198142
2024-06-20

ELECTRONIC MASK AND CONTROLLING METHOD THEREOF

#31
20240198141
2024-06-20

HEAD WEARABLE AIR PURIFIER

#32
20240149081
2024-05-09

Devices and methods to relieve dry eye symptoms

#33
20240148087
2024-05-09

FACE MASK AND SHIELD COMBINATION

#34
20240115889
2024-04-11

Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas

#35
20240108922
2024-04-04

A Facial Mask Assembly Dispensing a Protective Laminar Airflow

#36
20240091573
2024-03-21

RESPIRATOR FIT CHECK SEALING DEVICES AND METHODS

#37
20240091486
2024-03-21

Patient interface and a speech valve therefor

#38
20240082608
2024-03-14

Facemask with Filter Insert for Protection Against Airborne Pathogens

#39
20240081437
2024-03-14

ANTI-FOG MASK FOR BLOCKING EXHALED BREATH

#40
20240066332
2024-02-29

Adhering face mask

#41
20240058631
2024-02-22

REUSABLE FACE MASK

#42
20240058629
2024-02-22

Face mask with auxiliary oxygen

#43
20240050782
2024-02-15

WEARABLE AIR PURIFIER

#44
20240042251
2024-02-08

MASK APPARATUS

#45
20240042250
2024-02-08

MASK APPARATUS

#46
20240042248
2024-02-08

MASK APPARATUS

#47
20240042246
2024-02-08

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

#48
20240033544
2024-02-01

IMPROVEMENTS RELATING TO FACE MASKS

#49
20240032627
2024-02-01

IMPROVEMENTS RELATING TO FACE MASKS

#50
20230405369
2023-12-21

FACE MASKS

#51
20230390594
2023-12-07

A Bi-Valve Air Filter Mask

#52
20230390593
2023-12-07

Respiratory protective device or face mask hygiene product, a method for the manufacture of reinforced textile part, nonwoven fabric part or their combination part, and a filter

#53
20230381551
2023-11-30

RESPIRATOR AND AIR PURIFICATION SYSTEM

#54
20230381550
2023-11-30

FACE MASK WITH BATTERY OPERATED FAN AND UV BULB

#55
20230372747
2023-11-23

PERSONAL PROTECTIVE ANTI-VIRAL FACE MASK

#56
20230371624
2023-11-23

Protective face mask

#57
20230363475
2023-11-16

Maintenance-free respirator that has concave portions on opposing sides of mask top section

#58
20230356011
2023-11-09

Anti-fog respirator

#59
20230356009
2023-11-09

MASK DEVICE HAVING AIR CURTAIN FUNCTION

#60
20230356007
2023-11-09

REUSABLE, RESTERILIZABLE SMART HALF-MASK RESPIRATOR APPARATUS AND SYSTEM

#61
20230321465
2023-10-12

Unitary respirator with molded thermoset elastomeric elements

#62
20230321310
2023-10-12

Sterilization mask with UVC reflective chamber and heat dissipation mechanism

#63
20230311046
2023-10-05

IMPROVEMENTS IN OR RELATING TO FILTERS

#64
20230310909
2023-10-05

3D PRINTING-BASED FACE MASK

#65
20230310906
2023-10-05

MASK USING OXYGEN SUPPLY DEVICE

#66
20230285783
2023-09-14

MASK APPARATUS

#67
20230285782
2023-09-14

HIGH-FILTRATION REUSABLE FACE MASK WITH TEXTURED CONTACT PORTION AND VARIOUS COUPLING MECHANISMS

#68
20230285781
2023-09-14

Modular Reusable Elastomeric Half-Face Respirator

#69
20230270191
2023-08-31

FLEXIBLE CONTOURED RESPIRATOR MASK MADE USING ADDITIVE MANUFACTURE

#70
20230256271
2023-08-17

SYMMETRICAL FLOW RESPIRATOR

#71
20230249011
2023-08-10

Mask With Sensor

#72
20230240391
2023-08-03

HYGIENE MASK WITH SEAL FORMING STRUCTURE

#73
20230233886
2023-07-27

RESPIRATOR

#74
20230233885
2023-07-27

SOUND ATTENUATING MASK

#75
20230218931
2023-07-13

Bidirectional reusable filtering face mask

#76
20230218849
2023-07-13

Liner and retaining member for use with respiratory mask

#77
20230218018
2023-07-13

MASK

#78
20230201634
2023-06-29

PERSONAL PROTECTED-AIR SYSTEM

#79
20230200470
2023-06-29

A PERSONAL PROTECTIVE EQUIPMENT

#80
20230191171
2023-06-22

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

#81
20230191168
2023-06-22

WEARABLE AIR PURIFIER

#82
20230181945
2023-06-15

FILTRATION COMPONENT WITH A DISPERSING ELEMENT CONTAINER FOR A RESPIRATORY PROTECTIVE DEVICE

#83
20230181939
2023-06-15

WEARABLE AIR PURIFIER

#84
20230181938
2023-06-15

WEARABLE AIR PURIFIER

#85
20230166131
2023-06-01

AIR FILTRATION MASK

#86
20230158344
2023-05-25

BREATHING MASK WITH PARTICLE FILTER

#87
20230158343
2023-05-25

FILTERS FOR VIRUS FILTRATION AND INACTIVATION AND MASK ASSEMBLIES CONTAINING THE SAME

#88
20230149747
2023-05-18

Electrically heated respirator

#89
20230142434
2023-05-11

FACE MASK APPARATUS WITH SECONDARY FILTER

#90
20230139237
2023-05-04

SYSTEMS AND METHODS FOR PRODUCING USER-CUSTOMIZED FACIAL MASKS AND PORTIONS THEREOF

#91
20230135133
2023-05-04

MASK

#92
20230133150
2023-05-04

RAPID DONNING FACE MASK

#93
20230132896
2023-05-04

Facemask with facial seal and seal test device

#94
20230132702
2023-05-04

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

#95
20230129698
2023-04-27

Face mask with a neck hanger

#96
20230122802
2023-04-20

BREATHING AIR CLEANING DEVICE

#97
20230116415
2023-04-13

Method and Apparatus for Eviction of Foreign Particles From the Airways and Nasal Debris from Nostrils

#98
20230113123
2023-04-13

MASK

#99
20230098472
2023-03-30

FACE MASK WITH FILTERED COOLING AIR SUPPLY

#100
20230071100
2023-03-09

DEVICE OF GENERATING INACTIVATED VIRUSES AND KILLING RESPIRATORY VIRUSES IN EXHALED AIR IN REAL TIME AND METHOD THEREOF

#101
20230067491
2023-03-02

Wireless rechargeable and portable anti-microbial respirator

#102
20230049361
2023-02-16

TACTICAL RESPIRATOR MASK

#103
20230044656
2023-02-09

Blower device for a respirator

#104
20230039501
2023-02-09

Mouth protection device for a respiratory protection system

#105
20230033840
2023-02-02

FACE MASK STRAP RETENTION METHOD AND SYSTEM

#106
20230026748
2023-01-26

SYSTEMS, METHODS, STORAGE MEDIA, AND COMPUTING PLATFORMS FOR SCANNING ITEMS AT THE POINT OF MANUFACTURING

#107
20230021257
2023-01-19

MASK APPARATUS

#108
20230020450
2023-01-19

MASK APPARATUS

#109
20230018147
2023-01-19

MASK APPARATUS

#110
20230017783
2023-01-19

MASK APPARATUS

#111
20230016248
2023-01-19

MODULAR FACE MASK

#112
20230015788
2023-01-19

MASK APPARATUS AND METHOD FOR CONTROLLING THE SAME

#113
20230015311
2023-01-19

MASK APPARATUS

#114
20230014571
2023-01-19

RAPIDLY DEPLOYABLE, COUGH AND SNEEZE, AEROSOL CONTAINMENT APPARATUS

#115
20230014391
2023-01-19

Face mask with replaceable filter cartridges and components

#116
20230013005
2023-01-19

MASK APPARATUS

#117
20230012551
2023-01-19

MASK APPARATUS

#118
20220408861
2022-12-29

Face Mask Assembly

#119
20220401762
2022-12-22

Decorative respirator and communication mask

#120
20220395710
2022-12-15

Negative Pressure Respirator Assembly

#121
20220387830
2022-12-08

Facemask with filter insert for protection against airborne pathogens

#122
20220387829
2022-12-08

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

#123
20220387655
2022-12-08

Reusable purified air breathing device

#124
20220379144
2022-12-01

Mask with Straw Hole and Plug

#125
20220347498
2022-11-03

RESPIRATOR CARRIER

#126
20220346474
2022-11-03

Face mask and shield combination

#127
20220339470
2022-10-27

RESPIRATOR DEVICES WITH SENSORS, AND ASSOCIATED SYSTEMS AND METHODS

#128
20220331622
2022-10-20

Passenger Oxygen Mask for Use in an Aircraft, Emergency Oxygen System, and Aircraft

#129
20220331620
2022-10-20

FACE MASK

#130
20220313865
2022-10-06

HALO Sanitizer Respirator

#131
20220312868
2022-10-06

Transfigurable Face Mask

#132
20220305302
2022-09-29

Face Mask Providing Filtered Intake and Exhaust Air

#133
20220305301
2022-09-29

WEARABLE SYSTEM FOR CLEANING AIR

#134
20220296938
2022-09-22

Oxygen mask infant adapter

#135
20220296934
2022-09-22

Combination Respirator-Facemask Device

#136
20220288429
2022-09-15

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

#137
20220288268
2022-09-15

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

#138
20220288266
2022-09-15

MASK WITH ULTRAVIOLET DISINFECTION OF INHALED AND EXHALED AIR

#139
20220249883
2022-08-11

RESPIRATOR

#140
20220249881
2022-08-11

FACE MASK

#141
20220241623
2022-08-04

RESPIRATOR AND METHODS OF USE

#142
20220241621
2022-08-04

Oxygen Mask For Supplying Oxygen To A Person

#143
20220226531
2022-07-21

UVC DURABLE FILTER

#144
20220219025
2022-07-14

Flexible filter element having an end outlet

#145
20220208391
2022-06-30

SMART MASK

#146
20220193462
2022-06-23

Face Mask With Improved Air Flow

#147
20220192289
2022-06-23

Mask device and method for controlling the same

#148
20220184430
2022-06-16

TRANSPARENT FACE MASKS AND RELATED METHODS

#149
20220176169
2022-06-09

Mask

#150
20220168681
2022-06-02

FACE MASK WITH ELECTRICALLY ACTIVE COVID-19 FILTERATION

#151
20220167691
2022-06-02

Nose Only Mask

#152
20220161066
2022-05-26

RESPIRATOR DEVICE WITH COMMON INHALATION AND EXHALATION FILTERS

#153
20220161064
2022-05-26

Filtered Air Supply Assembly

#154
20220160044
2022-05-26

Smart Electronic Mask, Headset and Inhaler

#155
20220151316
2022-05-19

FRAME FOR A MEDICAL FACE MASK

#156
20220143436
2022-05-12

Rapid donning face mask

#157
20220143432
2022-05-12

PROTECTIVE RESPIRATORY MASK

#158
20220134141
2022-05-05

SEALABLE FACE MASK

#159
20220134138
2022-05-05

MULTIFUNCTIONAL PROTECTIVE MASK WITH SUCKING AND WHISTLING

#160
20220132949
2022-05-05

NASAL MASK

#161
20220132948
2022-05-05

SCENTED AROMA INTEGRATED INTO POLYMER FIBERS OF MASK MEDIA

#162
20220128535
2022-04-28

Automatic particle or scent tracing to check social distancing in public places

#163
20220127779
2022-04-28

ANTIVIRAL ELEMENT AND PERSONNEL PROTECTION EQUIPMENT CONTAINING SAME

#164
20220126128
2022-04-28

Lightweight Respiratory Mask

#165
20220126127
2022-04-28

SYMMETRIC-PLEAT FLAT MASK WITH AN EXPRESSION WINDOW, AND A MANUFACTURING METHOD AND PRODUCTION EQUIPMENT THEREOF

#166
20220125985
2022-04-28

SANITIZING FACE MASK

#167
20220118291
2022-04-21

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

#168
20220111233
2022-04-14

Mask with Composite Air Duct

#169
20220110383
2022-04-14

FACE MASK

#170
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#171
20220104563
2022-04-07

Face Covering with Adjustable Securement System

#172
20220096880
2022-03-31

Air Filter Mask

#173
20220096876
2022-03-31

Respiratory Mask

#174
20220088422
2022-03-24

Respirator fit check sealing devices and methods

#175
20220080229
2022-03-17

RESPIRATION SYSTEM AND METHOD OF USE

#176
20220080228
2022-03-17

SYSTEMS AND METHODS FOR AUTOMATED RESPIRATOR

#177
20220079263
2022-03-17

Facemask

#178
20220072344
2022-03-10

Hygiene mask with seal forming structure

#179
20220072341
2022-03-10

Phase dilution demand oxygen regulator (PDDOR) system for personal breathing

#180
20220062670
2022-03-03

Multiple Layer Mask

#181
20220062669
2022-03-03

MASK PPE WITH MULTIPLE ADHESIVE LOCATIONS FOR SECURING TO THE FACE

#182
20220062667
2022-03-03

Oxygen Mask And System

#183
20220062665
2022-03-03

MASK HAVING TWO INDEPENDENT CHAMBERS

#184
20220062664
2022-03-03

Potential Feedback Human Breath Filtration Device

#185
20220062469
2022-03-03

Sterilization case

#186
20220061420
2022-03-03

Dustproof and Antibiotic Mask Using Metal Microfilament Fabric

#187
20220054866
2022-02-24

AIR PURIFICATION MASK

#188
20220047900
2022-02-17

Apparatus and method for a face mask

#189
20220047899
2022-02-17

PARTICLE RETAINER DEVICE AND METHOD

#190
20220047898
2022-02-17

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

#191
20220047897
2022-02-17

Facemask Fan System

#192
20220047896
2022-02-17

PASSIVE FACE MASK

#193
20220047766
2022-02-17

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

#194
20220047016
2022-02-17

FACE MASK APPARATUS

#195
20220040616
2022-02-10

Facepiece electrostatic charging devices and methods thereof

#196
20220040506
2022-02-10

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

#197
20220040358
2022-02-10

Ultra-v mask

#198
20220039491
2022-02-10

SYSTEMS AND METHODS FOR MOLDABLE AND CASTABLE PERSONAL PROTECTIVE FACE MASKS

#199
20220032096
2022-02-03

FACEMASK FILTER ASSEMBLY

#200
20220032094
2022-02-03

Anti-Germ Breathing Device

#201
20220032091
2022-02-03

FILTER MASK WITH ACCESSORY BELT

#202
20220023828
2022-01-27

Electrostatic adsorption mask

#203
20220023679
2022-01-27

Multipurpose Safety Mask

#204
20220023676
2022-01-27

WHISTLE MASK

#205
20220023577
2022-01-27

Bioburden reduction surgical masks/respirators with use in protection against SARS-CoV-2 infections

#206
20220016454
2022-01-20

MASK APPARATUSES AND APPROACH WITH ADJUSTABLE VALVE

#207
20220016452
2022-01-20

FACE MASK WITH CENTRAL FLAP

#208
20220016449
2022-01-20

Mask apparatus and method for controlling the same

#209
20220016296
2022-01-20

MASK WITH STERILIZATION FUNCTION

#210
20220008765
2022-01-13

ANTIBACTERIAL DEODORIZING MASK INCLUDING TITANIUM DIOXIDE

#211
20220008762
2022-01-13

Antibacterial and Cellphone Radiation-proof Face Mask

#212
20220008761
2022-01-13

SMART MASKS

#213
20220008756
2022-01-13

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

#214
20220000195
2022-01-06

Face mask with replaceable filter cartridges and components

#215
20210402230
2021-12-30

Rapidly deployable, cough and sneeze, aerosol containment apparatus

#216
20210402226
2021-12-30

MASK/RESPIRATOR WITH MICROPHONE

#217
20210402224
2021-12-30

Quick fit face respirator mask

#218
20210402223
2021-12-30

Mask apparatus

#219
20210402222
2021-12-30

Mask apparatus and method for controlling the same

#220
20210401100
2021-12-30

APPAREL AND ACCOUTREMENTS WITH PROTECTIVE ENHANCEMENTS

#221
20210393997
2021-12-23

RESPIRATOR MASK WITH EXHALATION FILTER

#222
20210393996
2021-12-23

Protective face coverings

#223
20210393842
2021-12-23

Face mash

#224
20210387029
2021-12-16

Dual Clappet Mask

#225
20210387027
2021-12-16

Ventilation and Audio Mask Assembly

#226
20210387026
2021-12-16

BREATHING MASK AND HOOD

#227
20210386139
2021-12-16

SINGLE USE FACE SEAL MASK

#228
20210379423
2021-12-09

SYSTEMS AND METHODS FOR A RAPID MANUFACTURABLE FACE MASK ASSEMBLY

#229
20210379421
2021-12-09

AIR STERILIZATION MASK

#230
20210379420
2021-12-09

Filtering face mask and respirator

#231
20210379418
2021-12-09

Mask apparatus

#232
20210379415
2021-12-09

Mask apparatus

#233
20210379413
2021-12-09

DENTAL CONTAMINATE SHIELD

#234
20210379412
2021-12-09

Mask apparatus and method for controlling the same

#235
20210379411
2021-12-09

Breathable respirator mask with multiple layered filters

#236
20210378325
2021-12-09

Mask apparatus

#237
20210378324
2021-12-09

RESPI-SAFE FILTER MASK

#238
20210370105
2021-12-02

AIR INHALATION AND EXHALATION FILTERING MASK

#239
20210364998
2021-11-25

Systems, Methods, Storage Media, And Computing Platforms For On Demand Garment Manufacture

#240
20210361984
2021-11-25

Pendent face mask

#241
20210361983
2021-11-25

ACTIVE RESPIRATORY FILTRATION SYSTEM

#242
20210361982
2021-11-25

Air purification face mask structure

#243
20210361818
2021-11-25

Sterilization mask with UVC reflective chamber

#244
20210360928
2021-11-25

ANTIMICROBIAL/ANTIVIRAL NONWOVEN AND APPLICATIONS OF THE SAME

#245
20210353980
2021-11-18

MULTI-FLAP VALVE FOR A RESPIRATORY DEVICE

#246
20210353979
2021-11-18

Secure liquid consumption face covering

#247
20210353978
2021-11-18

Unknown

#248
20210353977
2021-11-18

INTEGRATED RESPIRATORY AND EYE PROTECTIVE SYSTEM

#249
20210353976
2021-11-18

Universal personal protective mask

#250
20210353975
2021-11-18

Respiratory protection mask

#251
20210353970
2021-11-18

Gas-supplying mouth mask

#252
20210353790
2021-11-18

Pathogen-inactivating facial mask

#253
20210346832
2021-11-11

AIR FILTERS COMPRISING METAL-CONTAINING POLYMERIC SORBENTS

#254
20210346830
2021-11-11

Electronic microbicidal air filter

#255
20210346737
2021-11-11

Respirator

#256
20210346732
2021-11-11

FILTERING MASK WITH COMPARTMENT FOR REPLACEABLE FILTER

#257
20210345707
2021-11-11

DISINFECTING FACE MASK

#258
20210339060
2021-11-04

Electrically active respirator mask

#259
20210339058
2021-11-04

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

#260
20210331000
2021-10-28

HYGIENIC FACE MASK

#261
20210330851
2021-10-28

FACE MASK WITH ENHANCED UV-C STERILIZATION FLOW PATH AND LOW RESISTANCE TO INHALATION

#262
20210330418
2021-10-28

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

#263
20210322802
2021-10-21

Pathogen-killing filter assemblage

#264
20210322801
2021-10-21

WASHABLE AND REUSABLE FACE MASK WITH REPLACEABLE FILTER

#265
20210322798
2021-10-21

Cartridge for Respiration Device

#266
20210322585
2021-10-21

SILVER TITANIUM DIOXIDE COATING MATERIAL, ATOMIZED SILVER TITANIUM DIOXIDE SOLUTION FOR INHALING AND PHOTOCATALYTIC TITANIUM DIOXIDE SOLUTION FOR TATTOO REMOVAL

#267
20210316174
2021-10-14

Anti-fog respirator

#268
20210316171
2021-10-14

GRAPHITIC ANTIVIRAL FILTRATION ELEMENT AND FILTRATION DEVICES CONTAINING SAME

#269
20210316166
2021-10-14

APPARATUS FOR IDENTIFYING LEAK OF FACE MASK AND METHOD THEREFOR

#270
20210316165
2021-10-14

FACE MASK

#271
20210316164
2021-10-14

Rapidly deployable, cough and sneeze, aerosol containment apparatus

#272
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

#273
20210308497
2021-10-07

Multi-layer face mask

#274
20210308496
2021-10-07

RESPIRATORY MASK

#275
20210308493
2021-10-07

REUSABLE LIGHTWEIGHT RESPIRATOR MASK

#276
20210307419
2021-10-07

Adjustable Face Mask

#277
20210299485
2021-09-30

HEATED MASK

#278
20210290991
2021-09-23

STRAPLESS PROTECTIVE MASK

#279
20210290988
2021-09-23

Anti-contagion mask

#280
20210290987
2021-09-23

Anti-contagion mask

#281
20210283433
2021-09-16

Epidemic prevention mask having smoking and drinking functions

#282
20210275842
2021-09-09

Filter mask

#283
20210275841
2021-09-09

Filter mask

#284
20210275839
2021-09-09

Filter mask

#285
20210275838
2021-09-09

Plasmonic photoelectrochemical oxidation face mask

#286
20210275714
2021-09-09

UVC ANTI-MICROBIAL BREATHING STERILIZING MODULES, MASKS AND DEVICES

#287
20210274876
2021-09-09

Filter mask

#288
20210259343
2021-08-26

High-temperature virus-killing mask

#289
20210228920
2021-07-29

Filtering mask assembly

#290
20210220595
2021-07-22

Facemask seal

#291
20210205640
2021-07-08

PORTABLE GAS SUPPLY DEVICE AND RESPIRATORY ASSISTANCE SYSTEM

#292
20210187333
2021-06-24

Blower device for a respiratory protection system

#293
20210162243
2021-06-03

Face mask with supporting strip

#294
20210147677
2021-05-20

Dual-molded polyamide-silicone composite article and methods of making

#295
20210146170
2021-05-20

MASK

#296
20210146169
2021-05-20

Respirator with Filter

#297
20210113859
2021-04-22

Respirator having optically active exhalation valve

#298
20210093903
2021-04-01

GARMENT-SUPPORTED AIR-PURIFYING FACE MASK FILTRATION SYSTEMS

#299
20210093901
2021-04-01

OXYGEN SYSTEM FOR PARACHUTING

#300
20210077837
2021-03-18

Unpowered respiratory protective headset and body suit and additional improvements to personal protective equipment