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 |
| 8151795 | Method of demand valve oxygen therapy for rapid abort of cluster headache Methods for easing the duration of pain experienced by patients during a cluster headache are disclosed including providing a high-pressure source of substantially pure oxygen, applying the oxygen to the patient so that inhalation by the patient is substantially lim... | 04/10/2012 |
| 8146592 | Method and apparatus for regulating fluid flow or conserving fluid flow Fluid flow regulators and fluid conservers are disclosed. An exemplary fluid conserver may be operated in one of an intermittent mode of operation and a continuous mode of operation. Further, the exemplary conserver provides at least two pulses of fluid in response ... | 04/03/2012 |
| 8122884 | Double-ended blower and volutes therefor A double-ended variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the double-ended blower can ... | 02/28/2012 |
| 8122885 | Adjustment of ventilator pressure-time profile to balance comfort and effectiveness The invention is a ventilator whose servo-controller adjusts the degree of support by adjusting the profile of the pressure waveform as well as the pressure modulation amplitude. As the servo-controller increases the degree of support by increasing the pressure modu... | 02/28/2012 |
| 8028696 | Display integrated vibrating alarm An alarm system and method for use with a breathing apparatus that provides a source of breathable air to a user/diver. A tactile signal is generated in response to a signal representing at least one parameter corresponding to the breathing apparatus status, and the... | 10/04/2011 |
| 8025053 | Pressure regulator assembly A pressure demand regulator assembly for use with a breathing apparatus having a valve assembly that includes an inlet for connection to a source of breathing gas, an outlet for connection to a facepiece to provide breathing gas to the user and an actuator for contr... | 09/27/2011 |
| 7971588 | Methods and systems for operating an aerosol generator A method of treating a patient with a pulmonary disease, where the method includes delivering a dose of aerosolized medicament intermittently to a ventilator circuit coupled to the respiratory system of the patient. Also, a method of treating a patient with a pulmon... | 07/05/2011 |
| 7882835 | Device and method for determining leaks of a respirator A method, system and device are provided for the determination of leaks in a respirator. An inspiraton pressure pinsp is recorded during an inspiration time Tinsp with a measuring device. The inspiration pressure pinsp is varied duri... | 02/08/2011 |
| 7762253 | Multiple lumen monitored drug delivery nasal cannula system A multiple lumen nasal cannula that can be used to delivery two separate supplies of gases to a patient. The multiple lumen nasal cannula includes a first lumen for delivering a first gas and a second lumen for delivering a second gas. The first lumen includes suppo... | 07/27/2010 |
| 7708016 | Gas conserving regulator A gas regulator includes a delivery valve assembly having a delivery outlet and a delivery valve member engageable with the delivery outlet for controlling flow of a gas from a gas source. A timing gas chamber receives gas from the gas source. Gas pressure within th... | 05/04/2010 |
| 7654262 | System for reducing hydrostatic load imbalances in a driver's open-circuit breathing apparatus The system of the present invention reduces hydrostatic imbalances acting on the diaphragm of a diver's open-circuit breathing apparatus' regulator. In general, the system applies a flexing force to the diaphragm based on the position of the diver's head relative to... | 02/02/2010 |
| 7628152 | Breathing regulator with nonlinear positive pressure spring A breathing regulator having a non-linear positive pressure spring is provided for use in an air supplied respirator. The regulator includes a housing formed from a regulator body and a cover sub-assembly, a diaphragm assembly, and the non-linear spring. The spring ... | 12/08/2009 |
| 7628153 | Display integrated vibrating alarm An alarm system and method for use with a breathing apparatus that provides a source of breathable air to a user/diver. A tactile signal is generated in response to a signal representing at least one parameter corresponding to the breathing apparatus status, and the... | 12/08/2009 |
| 7617826 | Conserver Fluid regulators provide a fluid to a cannula for use by a person. Fluid conservers also a fluid to a cannula for use by a person. A fluid conserver may be operational in a continuous flow mode of operation and an intermittent flow mode of operation. The selection o... | 11/17/2009 |
| 7617825 | Closure device of a second-stage regulator for scuba divers A closure device of a second-stage regulator for scuba divers, the regulator comprising a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable gaseous mixture at relatively constant pressure, an outlet conduit fo... | 11/17/2009 |
| 7575004 | Gas mask for normal pressure operation and overpressure operation A gas mask for normal pressure operation and overpressure operation allows changeover of the expiration valve (4) from normal pressure operation to overpressure operation is made possible in a simple manner. The pretension of the valve spring (7) of th... | 08/18/2009 |
| 7571726 | Self-contained breathing apparatus The invention provides, in one aspect, a head up display unit for a re-circulating gas self-contained breathing apparatus of the type having at least one sensor for determining the oxygen partial pressure of the re-circulating gas. At least one optical fiber (32 | 08/11/2009 |
| 7406965 | Forehead support for facial mask A respiratory mask assembly includes a frame and a forehead support secured to the frame. The forehead support includes a joining member secured to an upper portion of the frame and a cushion frame movably mounted to the joining member. One of the joining member and... | 08/05/2008 |
| 7402193 | Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the second ends of the sieve beds, and an air manifold attached to the firs... | 07/22/2008 |
| 7380551 | Breathing apparatus An improvement to a combination of an SCBA system for providing bottled air to a user and a PAPR system for purifying ambient air for use by a user wherein a sensor is included to determine the oxygen content of the breathing gas and the presence of contaminations i... | 06/03/2008 |
| 7370651 | Gas conserving device An electronic oxygen conserving device for controlling a flow of oxygen from an oxygen storage container to a user. When a conserve setting is selected, a flow of oxygen travels through an oxygen regulating valve that has an open state and a closed state. A temporar... | 05/13/2008 |
| 7368005 | Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the second ends of the sieve beds, and an air manifold attached to the firs... | 05/06/2008 |
| 7363938 | Constant flow valve assembly A dual valve assembly includes two regulating valves. Each valve includes an outer housing comprised of a cap joined to a base. The housing is internally subdivided by a barrier wall into a head section and a base section, the latter being further subdivided by a mo... | 04/29/2008 |
| 7357134 | Underwater exhaust system An underwater exhaust system includes an exhaust valve with a valve cover operatively coupled thereto. The valve cover is adapted to create an exhaled air pocket on the water interface side of the valve. The exhaled air pocket allows the valve to operate under reduc... | 04/15/2008 |
| 7353824 | Self contained breathing apparatus control system for atmospheric use An electronic controller having at least one microprocessor controls the solenoid operated valve adding oxygen to the breathing loop of a closed circuit mixed gas rebreather with carbon dioxide scrubbing in maintenance of an oxygen set point in the rage of 0.13-0.50... | 04/08/2008 |
| 7347206 | Control group of a second-stage regulator for scuba divers A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable gaseous mixture at a constant pressure and an outlet conduit for c... | 03/25/2008 |
| 7342660 | Detection system and method for aerosol delivery An apparatus comprises a detector, a pressure sensor and a processor. The detector is operable to detect light that is scattered by an aerosol that is associated with a pressure. The pressure sensor is operable to measure the pressure. The processor is coupled to th... | 03/11/2008 |
| 7341056 | Portable oxygen supply unit A portable oxygen supply unit for breathable air with an enhanced oxygen content has a tilt valve in a mounting cup on a pressurized container containing medical or aviators oxygen. A hollow housing is sealed to the mounting cup. The hollow housing is flowably conne... | 03/11/2008 |
| 7331343 | Control of supplemental respiratory oxygen Methods and systems for supplying supplemental oxygen to patients for use in sub-acute care which maintains healthy blood oxygen content in the patients by controlled dosing of oxygen with a measured response to the patient's actual blood oxygen content are disclose... | 02/19/2008 |
| 7331345 | Demand regulator protective bellows A self contained breathing apparatus (SCBA) served by a source of breathing gas with a mask and a demand regulator connected to the mask. The regulator has a flexible diaphragmatic member having a side exposed to pressure differentials to cause a valve mechanism to ... | 02/19/2008 |
| 7328703 | Oxygen delivery cannula system that improves the effectiveness of alveolar oxygenation The pulmonary oxygen flow control system delivers oxygen from a source of pressure to a nasal cannula worn by the patient. Between the source and the nasal cannula is a pendant flow structure which includes an orifice followed by a gas dynamic valve. When the downst... | 02/12/2008 |
| 7329304 | Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the second ends of the sieve beds, and an air manifold attached to the firs... | 02/12/2008 |
| 7322350 | Compressed air supply system for a compressed air respiratory device In a compressed air breathing apparatus, a single combined high/medium-pressure line (8) consisting of a medium-pressure hose and a coaxial, flexible high-pressure line inside said hose is integrated into the pressure reducer (5) connected to a compres... | 01/29/2008 |
| 7320321 | Self-contained micromechanical ventilator The portable ventilator of the present invention provide a hands-free ventilatory support device in critical care, emergency and resource limited environments. The portable ventilator utilizes ambient air and includes a two dual head compressor system to provide a c... | 01/22/2008 |
| 7306657 | Oxygen concentrating apparatus An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations. In one aspect, when synchronous operation is selected, the compresso... | 12/11/2007 |
| 7304571 | Firefighter locator with activator A device for activating a signal emitter for use in a firefighter locator system operates in conjunction with the firefighter's self-contained breathing apparatus (SCBA). The activation device includes a pressure sensor to monitor pressure on an air line that delive... | 12/04/2007 |
| 7296573 | Method and apparatus for providing positive airway pressure to a patient A system including methods and apparatus for treatment of a medical disorder such as obstructive sleep apnea or congestive heart failure. The system involves applying a gain to flow rate of pressurized gas delivered to a patient during inspiratory and/or expiratory ... | 11/20/2007 |
| 7282027 | Service center system and method as a component of a population diagnostic for sleep disorders A method for evaluating sleep disorders in mammals and distributing control information related to the sleep disorders through electronic communication networks. The method includes acquiring analog information related to physiological signals through a mobile devic... | 10/16/2007 |
| 7270125 | Combined aircrew systems tester (CAST) The invention enables testing of nearly all aircrew equipment including COMBAT EDGE system components which include a mask, a G-suit, communication systems, and a goggle. A gas system includes an input filter, a first compressor comprising at least one blower, prefe... | 09/18/2007 |
| 7270126 | Ventilator breath display and graphic user interface The invention is directed to a ventilation control system for controlling the ventilation of a patient. The ventilation control system utilizes a user-friendly user interface for the display of patient data and ventilator status. The user interface includes a graphi... | 09/18/2007 |
