System for molecular imprinted protective face mask

Transparent flexible self-attaching face mask

SINGLE USE FACE SEAL MASK

ADJUSTABLE FACE MASK

Filtering face mask and respirator

Mask apparatus

Mask apparatus

Mask apparatus

Mask apparatus

Mask apparatus and method for controlling the same

Breathable respirator mask with multiple layered filters

PERSONAL AIR STERILIZATION AND PURIFICATION DEVICE

INVISIBLE FACE MASK

FILTER UNIT WITH A RIGID FILTER AND A FLEXIBLE JACKET AND METHODS FOR MANUFACTURING SUCH A FILTER

AIR INHALATION AND EXHALATION FILTERING MASK

Ultraviolet air irradiation system and ultraviolet air irradiation process

HIGH VISIBILITY MASK HAVING SELF-CONTAINED FILTRATION SYSTEM

Air purification face mask structure

Sterilization mask with UVC reflective chamber

Anti-Viral Lactoferrin Facemask

Respiratory protection mask

Wearable air purifier

Systems, devices, and methods for designing and manufacturing custom respirator masks

FACEMASK WITH REPLACEABLE FILTER

Ultraviolet germicidal irradiation mask

AIR FILTERS COMPRISING METAL-CONTAINING POLYMERIC SORBENTS

Tubular filter and system for filtration of polluted ambient air

FILTERING FACEPIECE RESPIRATOR MASK WITH DETACHABLE FILTER CARTRIDGE

RESPIRATOR HAVING REPLACEABLE FILTRATION MEDIUM

FILTERING MASK WITH COMPARTMENT FOR REPLACEABLE FILTER

RESPIRATORY PROTECTIVE DEVICE

Face-mounted, negative-pressure antechamber

DISINFECTING FACE MASK

SMART MASKS

PERSONAL PROTECTIVE APPARATUS WITH MESH SHIELD

Face mask with smart features and functions

Electrically active respirator mask

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

MULTIPURPOSE PROTECTIVE RESPIRATORY HEADGEAR WITH ANTERIORLY MOUNTED EXCHANGEABLE CARTRIDGE

Respirator to Accommodate Facial Hair

MODULAR PULMONARY TREATMENT SYSTEM

Multi-layer air filtration media with integrated disinfection capability

UV LED Face Mask Attachment

Filter cartridge with turbulence generating features

FILTER CARTRIDGE AND METHODS OF MAKING AND USING

Head-mounted Air Purifier

HYGIENIC FACE MASK

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

AIR PURIFICATION APPARATUS

CONFORMING MASK AND SEAL ASSESSMENT SYSTEM

Z-SHIELD FILTERED AIR PROTECTIVE SYSTEM

Cartridge for Respiration Device

Respiratory protection device and processes for producing the same

Reusable Respirator Mask Apparatus

RESPIRATOR FILTER

Personal protective system and methods of use

RESPIRATORY MASK

REUSABLE LIGHTWEIGHT RESPIRATOR MASK

PPE with rotating assembly providing multiple face covers

Apparatus with fastenerless connection between components and assembly method thereof

Anti-contagion mask

Anti-contagion mask

Helmet

Filter mask

Filter mask

Plasmonic photoelectrochemical oxidation face mask

BREATHABLE MASK WITH INTEGRATED GOGGLES AND AN AIR FILTER

UVC ANTI-MICROBIAL BREATHING STERILIZING MODULES, MASKS AND DEVICES

Filter mask

Portable air filtration and disinfection device for a respirator system

Mask having intake and exhaust structure

Wearable air purifier

High-temperature virus-killing mask

Filtering mask assembly

ULTRAVIOLET FACE MASK

Combination air filter and protective mask

SMART MASK AND SMART MASK-BASED SERVICE SYSTEM

Blower device for a respiratory protection system

COPPER MICROBICIDAL FILTER

Respirator with Filter

Anti-virus filter for facemasks and respirators

Multi-directional filtration arrangement, flow generating device and system including same

Headgear

POWERED AIR PURIFYING RESPIRATOR DEVICE

System and method for fit test and monitoring for respiratory products

Adjustable face mask assembly

Emergency anti-gas kit

GARMENT-SUPPORTED AIR-PURIFYING FACE MASK FILTRATION SYSTEMS

Sensing element for respirator

PPE with rotating assembly providing multiple face covers

Modular, integrated powered air purifying respirator system

SMELL ELIMINATOR

Filter frame

Filter and mask

Versatile and multi-purpose breathing mask

Respirator Mask with Eyewear Interface

Adsorbent material module, adsorbent material structure and gas filtration mask

Respirator with floating elastomeric sleeve

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

Protective face shield assembly

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

Active breathing system

RESPIRATOR

Combination face mask and air filter with UV lamp

Air filters comprising polymeric sorbents for reactive gases

Portable containment device

Chemical protective poncho system

MASK APPARATUSES AND APPROACH

Respiratory protection device

AIR PURIFIER WITH INTEGRATED AIR FILTERING MASK

Polyamide nanofiber nonwovens for filters

Portable containment device

Mask apparatus

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

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

HME and compact breathing apparatus

Facemask with filter insert for protection against airborne pathogens

Particle filter as well as method for the manufacture thereof

Venus Flu Trap

Filter media comprising a pre-filter layer

Respirator

PARTICULATE FILTER FACE MASK HAVING FAN BREATHING ASSIST

Pressure generator inlet filter apparatus

Filter tube respirator

MOTORCYCLE HELMET PROVIDING COOL AND CLEANING AIR

Oxygen concentrating self-rescuer device

Pleated filter element comprising pleated filter media with edge dams, and method of making and using

Air filters comprising metal-containing polymeric sorbents

Method and mask for reducing inhalation of microorganisms

High-pressure connector for a fluid-communicating connection of a breathing gas source of a respirator to a pressure reducer

Low-flow alarm and valve

PERSONALIZED FORCED AIR PURIFIER

Portable Respirator with Potential Equilibrium and Carbon Oxygen Exchange

Breathing mask with increased user comfort

POWERED AIR PURIFYING RESPIRATOR WITH CYLINDRICAL CARTRIDGE

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

Driving and information transmitting system for air-filtering protection device

HARMFUL-SUBSTANCE-BLOCKING HEALTH MASK USING AIR CURTAIN

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

Filter cartridge holder with fit-check device

Respirator

Face mask assembly

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

Fit and Function Face Mask Apparatus

Particulate filter face mask having fan breathing assist

Filter media for respiratory protection

Textile protective material of a new type and method for producing same

BREATHING GLASSES FOR PURIFYING AIR

Cartridge for a Breathing Mask, and a Breathing Mask

Air purifier apparatus with flexible filter modules

PARTICLE RETAINER DEVICE AND METHOD

Flexible filter element having an end outlet

Breath responsive powered air purifying respirator

Respirator with floating elastomeric sleeve

Portable air purifier

Personal air filtration apparatus and method

Filter assembly for a breathing apparatus

FILTER FOR RESPIRATOR MASK OR OTHER FILTERING APPLICATIONS

Melt spun filtration media for respiratory devices and face masks

WEARABLE AIR PURIFICATION DEVICE

Personal protection device using monolithic activated carbons

Methods and devices for protective filtration and delivery of respirable compounds

Air purifier

RADIO FREQUENCEY POWERED RESISTIVE CHEMICAL SENSOR

Oral and nasal devices for the treatment of sleep apnea and/or snoring with filter and sensors to provide remote digital monitoring and remote data analysis

RESPIRATORY MASK AND FILTER CARTRIDGE THEREFOR

Activated carbon absorber

Personal air filtration apparatus and method

Stretchable laminated filter material and protective article

SYSTEMS AND METHODS FOR REMOVING ULTRA-FINE PARTICLES FROM AIR

Mask coupling apparatus

Impregnated filter material

Respirator without breathing resistance

Metal organic frameworks for the catalytic detoxification of chemical warfare nerve agents

Particle filter as well as method for the manufacture thereof

Oxygen concentrating self-rescuer device

CLOTHING WITH BUILT-IN RESPIRATORY FILTER

Supply Device for Supplying Breathable Air

Retractable Headphone Visor and Air Filtration System

Portable electronic device with a smart air purifier

Cidal Metal or Cidal Metal Alloy Mask

Method And Apparatus For Communication Enhanced Air Filtration Mask

System and method for monitoring a service life of a filter with a respirator filter sampling port assembly

Sleeve-fit respirator cartridge

Mouthheld filter apparatus

FILTERING FACE RESPIRATOR HAVING OPTIMIZED FACIAL FILTER LOCATION

Respirator and head-mounted protective apparatus

Breathing apparatus

OXYGEN RESPIRATOR FOR EMERGENCY EVACUATIONS

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

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

Layered or mixed sorbent bed protective filtration device

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

Electronic respirator mask

ACTIVATED CARBON FOR ADSORBING GAS-PHASE

Protective Breathing Mask with the Collective Inhalation and Exhalation Hole

Blower filter respirator system

HME and compact breathing apparatus

Compact Respiratory Protective Device

Powered air-purifying respirator

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

CHILLED AIR RESPIRATOR AND RELATED METHOD FOR TREATING AIR

Filter media comprising a pre-filter layer

Testing a mask seal

Respirator filter interface

REBREATHER SYSTEM AND COMPONENTS

Full hood respirator

REBREATHER SYSTEM AND COMPONENTS

Reconfigurable full facemask having a cartridge module for respiratory protection

Respirator filter interface

Face mask seal for use with respirator devices and surgical facemasks, having an anatomically defined geometry conforming to critical fit zones of human facial anatomy, and capable of being actively custom fitted to the user's face

COBINAMIDE-BASED MATERIALS FOR OPTICAL SENSING AND GAS REMOVAL

Respiratory protection device

Prefilter cover for bidirectional-airflow respirator cartridge

Portable air purifier

Facemask with filter insert for protection against airborne pathogens

Respiratory mask and filter cartridge therefor

Respirator having an integrated oronasal mask

Apparatus for providing controlled flow of inhalation-air

Layered or mixed sorbent bed protective filtration device

AIR BLOWER AND PROTECTIVE SUIT INCLUDING THE SAME

Neck-worn air filtration device

Layered or mixed sorbent bed protective filtration device

Oxygen Augmented Powered Air Purifying Respirator

Method for filling a conformal shaped carbon filter

Fluid management device for exercising athletes

Method for prolonging the duration of use of a self-contained compressed air breathing apparatus

Respirator mask

Nanofiber filtering material for disposable/reusable respirators

Respirator with floating elastomeric sleeve

Half facepiece

Face mask seal for use with respirator devices and surgical facemasks, having an anatomically defined geometry conforming to critical fit zones of human facial anatomy, and capable of being actively custom fitted to the user's face

Method and Device for the Protection of a Resiratory Tract

Filter box assembly and filter unit

Breathing apparatus, and method for controlling temperature fluctuations

Venturi sprinkler and apparatus for controlling smoke generated by fire

Portable intake air sterilizing apparatus

Portable intake air sterilizing apparatus

Blower filter device

Respirator Mask and Filter Unit Therefore

EXPLOSIVE ORDINANCE DISPOSAL (EOD) UNITIZED BOMB DISPOSAL SUIT

ESCAPE HOOD

Filter cartridge, filtering face mask and method for manufacturing

Sleeve-fit respirator cartridge

POWERED AIR-PURIFYING RESPIRATOR HELMET WITH PHOTOVOLTAIC POWER SOURCE

Filter cartridge apparatus

Noise reduction system for supplied air respirator

Method of donning and testing abrasive blast respirator

Abrasive blast respirator

Nanofiber filtering material for disposable/reusable respirators

Accessory cap for a respiratory filter cartridge

Filter asssembly for a respirator

Low profile frame for a filter incorporating a negative pressure check mechanism

Method for radial fluid flow particle filling of respirator canisters

Face mask with seal within seal and optional bridging seal

CO2 SORBENT COMPOSITION WITH O2 CO-GENERATION

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

Side plug-in filter cartridge

Information display and control device of powered air purifying respirator

POWERED AIR PURIFYING RESPIRATOR

End of service life indicator for respirator

Air filtration device

Filter systems including optical analyte sensors and optical readers

COMPACT RESPIRATORY PROTECTIVE DEVICE

Sorbing granular material and process for producing sorbing granular material

ANTISEPTIC MASK AND METHOD OF USING ANTISEPTIC MASK

Gas mask filter canister

Respirator filter canister

Surgical face mask, including reusable masks, with filtered inhalation and exhalation valves

Manufacturing method of a nano filter structure for breathing

Expandable face mask with engageable stiffening element

Personal air filtration device

Neck-worn air filtration device

COMPACT MULTIGAS FILTER

Filter cartridge having central plenum and housing sidewall

Mask

Filter element utilizing shaped particle-containing nonwoven web

SHAPED LAYERED PARTICLE-CONTAINING NONWOVEN WEB

RESPIRATORY INTERFACE DEVICE WITH FILTRATION MEDIUM

Filter unit

Personal air purifier

Air filtration device

ANTIVIRAL METAL IMPREGNATED ACTIVATED CARBON CLOTH COMPONENTS

FIBROUS ANTIMICROBIAL MATERIALS, STRUCTURES, AND BARRIER APPLICATIONS

Nano filter structure for breathing and manufacturing method thereof

Face mask with seal within seal and optional bridging seal

SUPERCHARGED ELECTROSTATIC AIR FILTRATION DEVICE

Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI)

Portable intake air sterilizing apparatus

Sorption agent comprising an activated carbon impregnated with a zinc compound and a molybdenum compound and gas-filtering element containing the sorption agent

Complex respirator

Low profile filter respirator

AIR FILTER FOR A MASK ASSEMBLY

Expandable face mask with engageable stiffening element

Chemical and biological protection mask

Respirator

Antiseptic mask and method of using antiseptic mask

Small size breathing protective device arranged to be held in the users mouth

CAPTURE OF TOXINS AND ENVIRONMENTAL CONTAMINANTS

Method of making electret articles based on zeta potential