Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7543583 | Forced air vent in siderail A patient-support apparatus has a nozzle to provide forced air to the patient. The nozzle is coupled to a siderail or another portion of the patient-support apparatus. The orientation and flow volume of the nozzle is adjustable. ... | 06/09/2009 |
| 7364682 | Nasal and oral cannula breathing detection device A cannula and method of forming a cannula by forming a cannula mandrel assembly having a nare mandrel, a main body mandrel and mouthpiece mandrel; heating the cannula mandrel assembly, applying a polymeric material to the cannula mandrel assembly to provide a desire... | 04/29/2008 |
| 7197774 | Supplied air helmet having face seal with differentiated permeability A supplied air helmet 10 comprises a visor 14 and a face seal 12 that is secured to the visor. The face seal 12 includes a sealing member 18 and a frame member 16. The sealing member 18 extends radially inward from th... | 04/03/2007 |
| 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 |
| 7156093 | Inflatable respirator hood A respirator hood is designed to fit over and around the head of a wearer and includes a substantially transparent lens received in a front opening of the hood. An inflatable neck cuff is positioned near a lower portion of the hood and substantially circumscribes an... | 01/02/2007 |
| 7152604 | Apparatus and method for mask free delivery of an inspired gas mixture and gas sampling Disclosed is an apparatus and method for the delivery of inspired gas, e.g., supplemental O2, to a person combined with gas sampling, including for the purpose of monitoring of the ventilation of the person. In the invention, the delivery of inspired gas ... | 12/26/2006 |
| 7146976 | Nasal cannula retainer A nasal cannula apparatus is provided for use by patients desiring a comfortable arrangement. The nasal cannula apparatus is particularly suited for long-term oxygen users, for extended wear in both standing, resting and supine positions. The nasal cannula apparatus... | 12/12/2006 |
| 7118608 | Self-powered, wearable personal air purifier A self-powered, personally wearable air purifier includes a sequence of packed bed filter media packets having filter media therein of specifically targeted types that will absorb those ambient air pollutants that have been identified as being particularly dangerous... | 10/10/2006 |
| 7089941 | Face mask support A face mask support for continuous positive airway pressure comprises a circumferential band with biasing means support at the crown of the head on the medial line of the head. The circumferential edge of the cap extends from just below the forehead of a patient to ... | 08/15/2006 |
| 7073500 | Method and apparatus for defending against naso-pharyngeal viral attacks An apparatus is disclosed for practicing a method of treating viruses in the nasal mucosa. Vapor is generated, heated and delivered to the nasal mucosa in intermittent bursts, timed to coincide with inhalation. Control circuits are provided to maintain the temperatu... | 07/11/2006 |
| 7063084 | Oxygen diffuser support A support for an oxygen diffuser for delivering a plume of oxygen-enriched air to a space in front of a patient's nose and mouth. The support comprises a means for holding a tube associated with the oxygen diffuser. This means is located at the vertex of front porti... | 06/20/2006 |
| 7055521 | Ventilated mask for outdoor use A ventilated mask for outdoor use is provided having a face mask to protect the wearer against insects and flying debris. The mask covers the user's nose, mouth and cheek area, and has a removable visor to provide protection for the eyes as well. The use of a snap i... | 06/06/2006 |
| 7036502 | Air curtain device The device for creating a curtain of air across the face is a headset with a fan mounted thereon. The outlet of the fan has flexible tubing or cowling which allows for control of both direction and cross section of a curtain of air that crosses the face. The curtain... | 05/02/2006 |
| 7011090 | Elbow for mask assembly An elbow assembly for use in a respiratory mask, which includes an elbow, an inlet port, an exhaust port, and a baffle separating the inlet port from the exhaust port. A mask assembly includes a cushion comprising at least one gusset and an aperture for connection t... | 03/14/2006 |
| 6961963 | Modular helmet A modular helmet system having a helmet base to protect from impacts the crown of a wearer's head and terminating basally in a rear rim and side rims; a C-shaped extension detachably connected to said rims to protect from impacts, when fitted to the helmet base, the... | 11/08/2005 |
| 6938619 | Mask free delivery of oxygen and ventilatory monitoring Disclosed is an apparatus and method for the delivery of supplemental oxygen gas to a person combined with the monitoring of the ventilation of the person with both being accomplished without the use of a sealed face mask. Preferred embodiments of the present invent... | 09/06/2005 |
| 6895959 | Gas mask and breathing equipment with a compressor A gas mask and breathing equipment is provided including a compressor. The gas mask and breathing equipment provides good flushing out of the carbon dioxide during the phase of expiration with the lowest possible compressor output. An air channel (31) is form... | 05/24/2005 |
| 6837238 | Lightweight oxygen delivery device for patients A lightweight oxygen delivery device is provided for a patient is provided, the device comprising an elongated tube bendable to a particular shape and capable of maintaining that shape. The tube is adapted to carry oxygen and has a first end and a second end. The fi... | 01/04/2005 |
| 6836906 | Eye protection device With reference to FIG. (2), a helmet (2) for an aircraft crew member (1) is provided with a device (10) for forming an eye-shielding curtain (11) of air in front of the crew members eyes. The air exhausts to the ambient atmosphere ... | 01/04/2005 |
| 6810532 | Safety helmet with an air duct A safety helmet includes a hat having an arcuate, elongated recessed area defined in an inner face of the hat and a through hole defined through a periphery of the hat. A lining is detachably connected to the inner face of the hat so as to define an air duct inside ... | 11/02/2004 |
| 6792623 | Helmet for artificial respiration without the aid of masks A helmet for artificial respiration without the aid of masks, comprising a containment body with at least one optically transparent portion, which can accommodate hermetically the head of a patient. The containment body has an air intake port that can be connected t... | 09/21/2004 |
| 6766537 | Protective helmet with detachable shell piece Protective helmet comprising a two piece shell, an electric motor and impeller useful for creating a positive pressure environment in the head space, and a filter for removing particulates and other substances. The impeller introduces atmospheric air into an air cha... | 07/27/2004 |
| 6675796 | Lightweight oxygen delivery device for patients A lightweight oxygen delivery device for a patient comprising an elongated tube, releasably connectable to an oxygen delivery source at one end and to a rigid elbow at the other. The wall circumscribes a centrally positioned oxygen outlet communicating wi... | 01/13/2004 |
| 6622311 | Air filtration system including a helmet assembly An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that def... | 09/23/2003 |
| 6615828 | Flow indicator device for respirators A respirator that comprises a head piece (1) that is shaped to form a breathing zone (13) around at least the nose and mouth of the wearer, and an air flow passage (15, 34) for supplying a forced flow of air to the breathing zone. The air flow passage has... | 09/09/2003 |
| 6595207 | Oxygen diffuser for patient oxygen delivery system An oxygen diffuser for a lightweight oxygen delivery system for a patient, the oxygen delivery system being of the type comprising a mount for seated engagement on a patient's head or ear, an elongated tubular boom for oxygen delivery secured at one end t... | 07/22/2003 |
| 6584969 | Inhalation therapy assembly and method The inhalation therapy assembly and method of use described herein increases the efficiency of metered dose inhalers by allowing delivery of the doses to a collapsible reservoir which can be manually pumped, ensuring that medicants contained therein are p... | 07/01/2003 |
| 6394091 | Breathing apparatus A breathing apparatus includes a regulator which delivers air to a user wearing a mask. The regulator is connected to the mask through an adaptor. The adaptor includes an exhalation valve which enables the user's breath to pass out of the adaptor to atmos... | 05/28/2002 |
| 6302105 | Apparatus for supplying breathable gas An apparatus for supplying breathable gas wherein the apparatus includes a main housing, a sub-housing having a gas flow path between a gas inlet and a gas outlet, a power source within the main housing and an impeller within the sub-housing in fluid comm... | 10/16/2001 |
| 6247470 | Oxygen delivery, oxygen detection, carbon dioxide monitoring (ODODAC) apparatus and method A respiratory device is disclosed that optimizes delivery of oxygen and detection of carbon dioxide to a user through the use of a flexible lever arm and mouthpiece which may be adjusted to deliver the oxygen toward the user's oral and nasal cavities, and... | 06/19/2001 |
| 6065473 | Non-contact gas dispenser and apparatus for use therewith A non-contact gas dispenser comprising a head set apparatus, a gas source and a conduit for directing the desired gas to a region proximate to the user's nose and mouth. The gas source preferably is a pressure swing adsorption apparatus that allows the us... | 05/23/2000 |
| 6016805 | Face seal for respirator A face seal assembly for respirators comprising a generally U-shaped frame having a bottom portion and first and second side portions spaced from each other and extending in a generally upward direction from the bottom portion. The assembly further includ... | 01/25/2000 |
| 5555879 | Safety mask A safety mask includes a hood for protecting the user's head and a blower for providing inhalation air inside the hood. An electrically driven motor operates the blower and is powered by a photoelectric cell. The photoelectric cell turns on the blower whe... | 09/17/1996 |
| 5513632 | Ventilation of medical gases A downdraft system is used for withdrawing and collecting medical gases, fumes, mists and particulates from the vicinity of a patient's face. Two intakes are located on respective sides of the patient's face, at the cheeks. The intakes extend from temple ... | 05/07/1996 |
| 5113853 | Helmet with filtered air supply A protective helmet also provides filtered air for respiration. A thin flat fan and motor assembly with motor and blades coplanar mounts in an aperture in the crown. A hard cover covers both fan and aperture. A resilient cushion spaces the helmet and duct... | 05/19/1992 |
| 5046492 | Clean room helmet system There is described an improved clean room helmet system including a helmet having an inlet port and an exhaust port. Connected to the inlet port is a portable and mobile pressure filtering system for suppling filtered air to the helmet. A separate portabl... | 09/10/1991 |
| 5035239 | Powered respirators A powered respirator is provided with a device sensitive to the pressure within the respirator in the region of the user's face and adapted to sound a warning in the event that the sensed pressure goes below a selected threshold value. The device includes... | 07/30/1991 |
| 5002049 | Portable smoke and gas dispeller Portable smoke and gas dispeller for use by anyone working in conditions--for instance a welder--in which hindering smoke or gas is developed and serving to prevent the smoke or gas being inhaled by the user. It comprises a housing which is affixed to the... | 03/26/1991 |
| 4752974 | Air-feed type dust protective helmet An air-feed type protective helmet includes a cap body to which a face shield is rotatably mounted for movement between a lower use position and an upper non-use position. In order to feed clean air to a space provided between the wearer's face and the fa... | 06/28/1988 |
| 4676236 | Helmet airflow system An airflow system for use with a helmet includes a face piece adapted to enclose the eyes of the wearer to form a first cavity and to enclose the nose and mouth of the wearer to form a second cavity isolated from the first cavity. Filtered air normally fl... | 06/30/1987 |
