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7337779 |
Facemask tape-adjuster
The facemask tape-adjuster is an adjusting device for the tapes of facemasks comprising of a upper piece and a lower piece respectively made joint at one edge, in which the inner face of upper...
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7311104 |
Method of making a filtering face mask that has an exhalation valve
A method of making a filtering face mask, which method includes the steps of: (a) providing (i) a valve seat that comprises an orifice and a seal surface, wherein the orifice allows air to pass...
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7290545 |
Face mask with anti-fog folding
A face mask is provided that is configured to reduce or eliminate fogging that may occur on eye wear or an eyeshield worn by a user of the face mask. The face mask includes a body portion that has...
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7263996 |
Anion emission and anti-dust nose mask
The present invention relates to an anion emission and anti-dust nose mask capable of enhancing a compatibility so that it is well adapted to various sizes and types of nose based on its...
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7243650 |
Custom fitted mask configured for coupling to an external gas supply system and method of forming same
According to one embodiment, a method of forming a custom fitted mask configured for coupling to an external gas supply system includes applying a first sheet of deformable material against a...
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7237550 |
Respirator containing filter cases
A respirator containing filter cases uses cellular elements or positioning boards provided in filter cases to consistently secure a plurality of particle-shape refillable filter materials in place,...
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7213595 |
Multi-stage respirator filter with TIM filter option
A filter canister assembly for a gas mask comprising a primary canister with a first filter medium adapted to remove aerosols, particulate materials and droplets from air and a second filter medium...
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7210482 |
Face mask structure
A face mask structure has an upper mask portion, a middle mask portion, and a lower mask portion, which are formed integrally. The upper mask portion has an upper metal stripe disposed at a proper...
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7207335 |
Mask and vent assembly therefor
A mask ( 10 ) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal's airways. The mask ( 10 ) includes a mask shell ( 12 ) which is, in...
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7195015 |
Breathing apparatus
An inhalation opening 6 and an exhalation-opening 4 are formed in the facepiece 2 of a breathing apparatus 1 and the openings can be closed with an inhalation valve 8 and exhalation valve...
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7185653 |
Disposable mask for dust protection
A disposable mask for dust protection is provided for maintaining contact with the wearer's face even when moving one's mouth, in which the strap is fixed to maintain tension, and to enable easy...
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RE39493 |
Respirator having snap-fit filter cartridge
A respirator ( 10 ) that includes a face piece ( 14 ) and a cartridge receiving structure ( 22 ) located on the face piece ( 14 ). The face piece ( 14 ) is sized to fit snugly over the nose and...
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7156099 |
Nostril filtering system
A nostril filtering system is described for providing clean, filtered air for breathing in through the nose. The filtering system includes a soft, pliable filter material held in a flexible frame...
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7131442 |
Fibrous filtration face mask
A face mask for filtering contaminants from the air. The face mask includes a harness for securing the mask over the nose and mouth of the wearer and a nonwoven fibrous layer attached to the...
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7128070 |
Biological defense masks
The invention relates to biological defense masks, and more particularly, biological defense masks designed for use by populations at risk of widespread biological attack via biological weapons of...
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7114498 |
Gas delivery, evacuation and respiratory monitoring system and method
A gas delivery, evacuation and respiratory monitoring system comprises a face mask having an inflow flapper valve and a fresh-gas inflow tube and an exhaust-gas outflow tube and a gas sampling...
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7111626 |
Equine inhalation mask
The invention relates to an equine inhalation mask, comprising at least one valveless combined inhalation and exhalation conduit, into which inhalant sources comprising respiration control elements...
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7107990 |
Portable face protector for protecting human being from poisonous gas and securing visibility
Disclosed is a portable face protector for protecting a human being from poisonous gas and securing visibility, which can be used in an emergency such as a fire, etc. The face protector comprises a...
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7101423 |
Respiratory air filter
A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers...
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7100610 |
Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
The invention relates to a breathing mask for feeding a breathing gas to a mask user and a discharging device for discharging breathing gas from an inner mask area defined by a breathing mask. The...
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7093599 |
Gels, composites, and health care articles
Gel and gel composites health care articles, including masks, pads, blood bags, tubings, male and female tubing connectors, and needle protector sheath.
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7077140 |
Face mask and method
A method for preventing a spread of diseases, promoting better breathing, improving comfort and reducing fatigue. The method utilizes a face mask and a noseform of the type disclosed in U.S. Pat....
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7077137 |
Breathing device for filtering and conditioning inhaled air
A personal breathing device for filtering, diffusing, and conditioning air inhaled by a person. The device includes an eyewear frame with an attached nose piece and air-permeable membrane which is...
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7069930 |
Flat-folded personal respiratory protection devices and processes for preparing same
A personal respiratory protection device that comprises a mask body and an exhalation valve that is secured to the mask body. The mask body includes (i) a flat central panel; (ii) a flat first...
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7063087 |
Filtering system for the protection against biological agents
The invention refers to a filtering system composed by a face mask and a filter against biological agents, joined together by a new connector. The connector joins the filter to the mask in an easy,...
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7055526 |
Anti-snoring device comprising a skin compatible adhesive
Anti-snoring devices, more specifically to externally worn anti-snoring devices covering essentially a wearer's mouth and being adhesively attached to a wearers skin in the peri-oral area are...
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7044127 |
Multipurpose mask
A protective, multipurpose mask covers the oral and nasal areas. The mask has an opening about or around the mouth area of the wearer which allows different devices to be inserted and withdrawn...
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7044126 |
Device for providing protection to the respiratory system
A device for providing purified atmospheric air to a user. Air passes passively through a filter and partitions into a mouse-nose compartment and a face compartment. The air from the face...
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7036507 |
Filter mask
The invention provides a filter mask for filtering air inhaled and exhaled from the mouth and nostrils while providing a positive facial lock at all edges of the mask. The filter mask has upper and...
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7013891 |
Respirators
A respirator ( 1 ) comprises an inner, oronasal, mask ( 2 ) enclosed within an outer, face sealing, mask ( 3 ) so as to define a cavity ( 4 ) therewith, a screw-threaded air inlet ( 5 ) for...
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7011093 |
Microencapsulated fragrances and methods of coating microcapsules
Nasal dilators and strips, methods of their manufacture, and methods for improving the breathing of individuals are provided. The strips and dilators include an elongated substrate, with or without...
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6997179 |
Protective hood
A neck seal for use in an emergency breathing apparatus has an interior and an exterior and is formed of an annular sheet of elastomeric material having a substantially central aperture for donning...
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6978782 |
Full face mask
Disclosed is a novel light weight inexpensive full face mask in which the air filtration function is carried out by an air filtration shell which has at least a portion of its surface made of a...
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6968844 |
Mask cover
A cover, for a flexible patient breathing mask, which is made predominantly of a soft material and has an open bottom and an internal shape corresponding to the external shape of a patient mask....
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6928657 |
Face mask having hook and loop type fastener
A face mask is provided. The face mask includes a body portion that is configured to be placed over a mouth and at least part of a nose of a user. A first extension portion is present and is...
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6926004 |
Breathing mask with a head fastening device
A breathing mask is joined with a head fastening device that has at least one headstrap and at least one neckstrap. The headstrap and the neckstrap are connected with each other in the area of...
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6895960 |
Modular respirators and a method of conversion thereof
A modular respirator system has interchangeable facial lenses and body seals such as a full facepiece seal or a hood. A method of conversion from a full facepiece respirator to a hood respirator,...
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6892725 |
Protective hoods and neck seals for use therein
A neck seal for use in a protective hood includes an inner section including a passage for donning. The inner section is fabricated from an elastomeric material to form a seal around a neck of a...
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6860267 |
Self-sealing filter connection and gas mask filter assembly incorporating the same
A gas mask having a filter canister mount including an inhalation valve and a self-sealing mechanism that prevents air inflow when a filter canister is removed from the canister mount. In one...
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6854463 |
Filtering face mask that has a new exhalation valve
Filtering face mask 10 has a mask body 12 and an exhalation valve 14. The mask body 12 is adapted to fit over the nose and mouth of a person, and the exhalation valve 14 is attached to...
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6817362 |
Respirator
A respirator comprising a facepiece having a cup shaped portion for sealingly engaging a face of a wearer and covering the mouth and nose of the wearer and a cover having a cup shape that is...
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6805123 |
Compact multipurpose dustproof mask
A compact multipurpose dustproof mask includes a body pipe having an outlet hole formed at one end and a mouth contact hole formed at the other end thereof, and the end where the mouth contact hole...
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6802315 |
Vapor deposition treated electret filter media
A vapor phase treated electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of...
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6799573 |
Air filtration system
An air filtration system includes a light weight container which stores a quantity of water for filtering contaminants from inhaled air. A coupling assembly is used to connect the container to a...
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6783566 |
Combination filter/cartridge assembly
A filter cartridge assembly including a replendam that combines a particulate filter with an irregular shaped gas sorbent bed. Best operational practice requires that the air passing through the...
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6758212 |
Personal emergency breathing system
The breathing system includes an elastic, non-porous body housed within an outer protective shell. The body terminates at its forward end in a protective cap and an air inlet passage and at its...
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6722366 |
Method of making a flat-folded personal respiratory protection device
A method of making a personal respiratory protection device. The method comprises: (a) forming a multi-layered structure that comprises a first cover web, a filtration layer that comprises a web...
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6715489 |
Processes for preparing flat-folded personal respiratory protection devices
Fold-flat personal respiratory protection devices are provided. The devices have a flat central portion having first and second edges, a flat first member joined to the first edge through either a...
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6659102 |
Oxygen mask filter system
An oxygen mask filter system for preventing the transmission of a disease from a patient to medical personnel. The oxygen mask filter system includes a face mask having an interior surface and an...
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6644316 |
Variable aperture venting for respiratory mask
A respiratory mask having a variable flow venting is provided according to the invention, including a gas supply hose, a mask shell adapted to output a gas to a respiratory system of a person, the...
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