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| Number | Title | Issue Date |
| 7832396 | High air flow powered air purifying anti-contamination device A high output, powered air purifying respirator that includes an anti-contamination suit, a filter for filtering particulates from the air, a high powered blower for delivering a cool flow of air to the body, and a stabilization mechanism. The stabilization mechanis... | 11/16/2010 |
| 7677245 | Helmet for artificial respiration A helmet for artificial respiration without the aid of tracheal tubes comprises a container body (12), having at least a transparent portion (14) and in which a patient's head can be housed, and a collar for air-tight application to the patient's neck,... | 03/16/2010 |
| 7610913 | Fluid impermeable interface for protective materials A fluid impermeable interface between a polymer hood and an elastomeric neck dam includes a film composite material having a fluid impermeable outer surface and a fibrous backing inner surface. At least one fiber-free fluid barrier channel is formed in the fibrous b... | 11/03/2009 |
| 7490606 | Medical garment ventilation system A medical garment ventilation system comprises a generally planar intake body having an intake face defining a plurality of intake ports spaced over the intake face, the intake body defining at least one outlet, the at least one outlet and one or more of the plurali... | 02/17/2009 |
| 7357135 | Protective hood with fan assembly The present system includes a protective hood with a vent opening and a transparent shield mounted to a front portion of the hood. In a basic configuration, a fan assembly is removably mounted to the hood and coupled to the vent opening to direct airflow within the ... | 04/15/2008 |
| 7343918 | Breathing gas feed assembly for aircraft flight crew, and a stowage box for an emergency breathing mask A breathing gas feed assembly for the flight crew of an airplane comprises an emergency breathing mask and a stowage box for the mask. The box is adapted to receive the mask diagonally and it is closed by two doors hinged about respective hinge axes situated on two ... | 03/18/2008 |
| 7311102 | Protective apparel Apparel suitable for providing protection against noxious agents, wherein the apparel comprises a laminate material that provides a substantially effective barrier against the noxious agents. It is preferred that the laminate material comprises two or more layers, a... | 12/25/2007 |
| 7278421 | Full face flexible oxygen mask for use with flight helmets The full face flexible oxygen mask for use with flight helmets includes an elastic face seal with an oronasal cone that seals around the nose and mouth of the wearer, and flexible sealing flaps along the perimeter of the face seal to adapt the face piece of the mask... | 10/09/2007 |
| 7266965 | Air cooling device A vest including inflatable tubes or chambers which receive cool air from a blower box. The vest includes an outer surface and inner surface, the two surfaces joined to define a multiplicity of tubes. The tubes carry jets which may vent cool air, received from a rem... | 09/11/2007 |
| 7213320 | Moisture barrier cone Closed air space devices and methods of use for full body bio hazard type suits that eliminates condensation and fogging from forming on the face masks and the window visors of the suit. The devices and methods have a sealed closed air space that can be formed from ... | 05/08/2007 |
| 7178528 | Headgear for noninvasive ventilation interface The present invention is a headgear for noninvasive ventilation interface made up of a nasal cannula including cannula tubing having a given outside diameter, and a headgear yoke with ends including tubing retainers. The yoke is adapted to extend transversely over a... | 02/20/2007 |
| 7168428 | Apparatus for connecting air bottles An air transfer apparatus for transferring air from a replenishment air cylinder to another air cylinder is provided. The air transfer apparatus comprises a first valve adapted to engage a replenishment air cylinder and a second valve having quick connect fittings a... | 01/30/2007 |
| 7168102 | Moisture barrier cone Closed air space devices and methods of use for full body bio hazard type suits that eliminates condensation and fogging from forming on the face masks and the window visors of the suit. The devices and methods have a sealed closed air space that can be formed from ... | 01/30/2007 |
| 7159533 | System and method for monitoring the delivery of gas to a person's airway A gas delivery system and method are disclosed in which a flow indicator is interposed between the distal end of a conduit connected to a gas source and a device for introducing the gas in the airway of an individual so that the individual, or some other person in v... | 01/09/2007 |
| 7107624 | Headmount apparatus for attaching and supporting devices A headmount apparatus for mounting vision enhancement equipment thereon which is comprised of a mounting shell having at least one pad and having at least one mounting surface to which the vision enhancing equipment is mounted, where at least one pad is configured t... | 09/19/2006 |
| 7107629 | Apparel including a heat exchanger One embodiment of the present invention is apparel that includes: (a) a heat exchanger adapted to be worn in close proximity to a portion of a body; (b) a garment adapted to cover the heat exchanger; and (c) a multiplicity of anchors that couple the heat exchanger a... | 09/19/2006 |
| 7093597 | Respiratory equipment Respiratory apparatus including stowage equipment is addressed. The equipment may include a non-rigid bag covering at least part of an oxygen mask. The bag additionally may have an opening through which a portion of the mask protrudes, thereby facilitating its grasp... | 08/22/2006 |
| 7082946 | Method and apparatus for protecting the passengers of an airplane against hypoxia In order to protect the passengers of an airplane against the effects of depressurization of the cabin, breathing masks are fed with oxygen at a rate which is an increasing function of cabin altitude. Oxygen is fed via a constriction and an economizer bag, and an in... | 08/01/2006 |
| 7028687 | Escape hood An escape hood, comprising a respirator, having an air filter suitable for filtering toxic air contaminants and positioning members to retain the respirator in a respiratory path of the user; an optical lens; a expanding member, permitting hood to expand from a comp... | 04/18/2006 |
| 6997181 | Personal hydration device A personal hydration device providing fluid delivery to an external mouthpiece and a gas mask mouthpiece is disclosed. The personal hydration device includes a container having an exit port and an exit valve, a diverter valve, an external mouthpiece, a gas mask with... | 02/14/2006 |
| 6983745 | Isolation suit with two-way air supply/disinfection pump An isolation suit has a two-way air supply/disinfection pump attached to it. The pump has a pair of through-passages each communicating with an interior of the suit by respective airlines. There is a fan in each through-passage, one of which delivers air to the suit... | 01/10/2006 |
| 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. The cover has a socket piece opening opposite the open bottom. The sock... | 11/29/2005 |
| 6957653 | Flushed-seal respirator Improved full-face, flushed-seal respirators are provided having a primary sealing element adjacent to a breathing space and a secondary sealing element. Exhaled air (i.e., clean air obtained by passage through a filtering element or elements) is passed from the bre... | 10/25/2005 |
| 6953318 | Volumetric control for blower filter devices The invention relates to a volumetric control for blower filter devices in which a control unit (5) determines a differential pressure between measuring points (1, 2) that is converted into a control signal for the fan output. To this end, at least two... | 10/11/2005 |
| 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 their extensions away from the breathing mask. The headstrap is fastened ... | 08/09/2005 |
| 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 user. The neck seal also includes an outer section adhered to the inner... | 05/17/2005 |
| 6889390 | Face mask retaining system A retaining system for the hood, face seal, and mounting band(s) of facemasks that have a hood and/or a face seal that are sealed and securely mounted to the mask using a band type of clamping method, is provided. The retaining system may include a redundant system ... | 05/10/2005 |
| 6868852 | Cold weather breathing apparatus A cold weather breathing device that protects the face including the mouth and nostril area from direct exposure to the external environment, prevents a user's goggles from fogging in cold environments, and keeps moist exhaled breath away from the user's face. In a ... | 03/22/2005 |
| 6862745 | Face mask, head harness, and protective hood for firefighter For a firefighter, rescue worker, or chemical worker or another wearer needing head protection, a protective hood, a fitment, a face mask, and a head harness are combined. The head harness is attached to the face mask, at an upper portion of the face mask, so as to ... | 03/08/2005 |
| 6837239 | Ventilation system for a protective suit The present invention relates to a ventilation system for a protective suit for use in hazardous environments. In a further aspect it concerns the protective suit itself. An air purifying respirator draws air from outside the protective suit through a filter, suppli... | 01/04/2005 |
| 6807964 | Cold weather breathing device A cold weather breathing device and method. Exhaled air warmed by the lungs of a user is flowed into contact with a heat exchange medium to heat the heat exchange medium. The heat exchange medium is positioned in a hollow body adjacent the chest and under cold weath... | 10/26/2004 |
| 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 filtration challenges without significant decay in alpha values over... | 10/12/2004 |
| 6796304 | Personal containment system with sealed passthrough A personal containment system includes a generally fluid-tight barrier and a powered air delivery system. The blower is generally isolated from the outer environment and draws purified air from a filter in fluid communication with the blower and generally located ou... | 09/28/2004 |
| 6775850 | Protective combination comprising face mask, protective garment having hood, and inflatable seal, for firefighter or emergency worker In a protective combination wearable by a firefighter or by an emergency worker, a face mask has a face-conformable gasket defining an outwardly opening trough. Further, a protective garment has a hood, which has a peripheral edge and which defines a tubular hem alo... | 08/17/2004 |
| 6766530 | Face mask, fitment, head harness, and protective hood for firefighter For a firefighter, rescue worker, or chemical worker or another wearer needing head protection, a protective hood, a fitment, a face mask, and a head harness are combined. The protective hood is adapted to cover the wearer's head, except for a frontal region of the ... | 07/27/2004 |
| 6701920 | Head enclosing gas hood An oxygen head tent which is placeable over an individuals head for providing a gas, preferably oxygen, is described. The oxygen head tent has a hood portion which is connected to a hood ring. The hood ring slides over a two-piece neck ring, the two-piece... | 03/09/2004 |
| 6701925 | Protective hood respirator The present invention is a protective respiratory apparatus including a neck-sealable hood adapted to enclose the head of a wearer, the hood having an interior and exterior, two filters sealingly secured in symmetrical relation to the hood wherein air pas... | 03/09/2004 |
| 6694972 | Gas canister protection system A protective neck and shoulder shroud assembly for use with a self contained breathing apparatus, the assembly including a neck curtain including a head portion, a left flap coupled to and extending generally forwardly from the head portion, and a right f... | 02/24/2004 |
| 6691314 | Face mask, head harness, and protective hood for firefighter For a firefighter, a combination of protective gear comprises a face mask, a head harness, and a protective hood adapted to cover the wearer's head, except for at least a portion of the wearer's face, and to cover an outer perimeter of a window portion of... | 02/17/2004 |
| 6578572 | Firefighting hood and face mask assembly An apparatus having a face mask removably attachable to a firefighting hood is provided. The face mask used in cooperation with a breathing apparatus such as a self-contained breathing assembly or a respirator. The face mask has a rim supporting a seal me... | 06/17/2003 |
