Disposable mask assembly with exhaust filter and valve disc and method of assembling same

PARTICLE-CONTAINING FIBROUS WEB

Respiratory Protection Device

Filtering respirator with rotatable filter

Catalyst production process

Air filter device

AIR FILTER ASSEMBLY

Air Supply Apparatus

PERSONAL AIR FILTRATION DEVICE

NECK-WORN AIR FILTRATION DEVICE

Filter for a breathing device

Multi-compartment low resistance to flow filter

Filtering respirator with nasal and oral separation

Dustproof mask

Cartridge Respirator with Integral Filter Adaptor

Mouth-held breathing air filter

Respirator having an integrated oronasal mask

Air purifier for a protective garment

Selective permeable polymer membrane for gases

Filter unit

Respirator containing filter cases

Method and apparatus for personal isolation and/or protection

Filter element that has plenum containing bonded continuous filaments

Air-purifying breathing apparatus

Disposable mask assembly with exhaust filter

Air sterilization apparatus

Multi-stage respirator filter with TIM filter option

Filter system for respiratory mask and method of implementing the filter system

Air purifying escape hood

Refillable filter mask cartridge

Respiratory mask

Personal hygiene device and method

Particle-containing fibrous web

In-mouth filtration apparatus

Conformal filter cartridges and methods

Light-mediated air purification system and method

Portable breathing apparatus

Preparation of nanometered gold catalyzer

Emergency escape mask

Particle-containing fibrous web

Respiratory protection device that has rapid threaded clean air source attachment

Thin profile air purifying blower unit and filter cartridges, and method of use

Air purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner

Method of making a filtering face mask that has an exhalation valve attached thereto

Breathing respirator

Rotary canister base

Method of making a filter cartridge using a thermoforming step

Gas mask filter canister

Respirator filter canisters and method of filling same

Personal respiratory protection device that has a permanent or semi-permanent bayonet connection

Filter element

Protective breathing hood

Filtering system for the protection against biological agents

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

Safety helmet and methods of using a safety helmet by a firefighter

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

Reusable purified air breathing device

Filter and method

Heated air N95 mask, heated air training workout mask and multi-function mask

Personal space protective enclosure

Electronic filter and mask

Hydration providing mask apparatus

Respirator mask filter adapter

Corona disinfecting air filter systems

Full face and head mask

Respiratory protection system

Cold sterilizable protective mask

Respiratory protection system for surgery

Face shield visor with fan

Mask apparatuses and approach

Second-skin respirator cover

Non-consumable respirator training filter

Mask apparatuses and approach

Adjustable mouth shield device

CPR training device

Valve/connection system to prevent downstream contamination from an upstream source while replacing filters

Modular chemical/biological headgear system