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| Number | Title | Issue Date |
| 7506663 | Magnetic check valve A magnetic check valve includes a cage mountable in a fluid flow duct and supporting a plunger movable between a closed position blocking fluid flow past the valve, and an open position permitting fluid flow past the valve. One of the cage and the plunger includes a... | 03/24/2009 |
| 7458392 | Spring actuated check valve A check valve is for use in a fluid system. A valve body has an inlet end, a valve cavity, and an outlet end. A valve enables a valve assembly to control the flow of fluid therethrough. A plug of the valve assembly includes tapered and non-tapered sections, the tape... | 12/02/2008 |
| 7398795 | Excess flow valve An excess flow valve includes: a valve that opens and closes a flow path; a solenoid that keeps the valve in an opened state; a pressure detector detecting the primary-side pressure of the valve; and a controller controlling current flow to the solenoid based on pre... | 07/15/2008 |
| 7337796 | Safety relief valve having a low blow-down value and spring therefore A safety relief valve is provided that comprises a body comprising a chamber therein and an inlet and an outlet, the inlet comprising an inlet valve seat; a disk member closeable on the inlet valve seat; and a mechanism in the body biasing the disk member to rest on... | 03/04/2008 |
| 7334603 | Check valve A check valve has an elastic valve body portion and an inelastic valve body portion and a valve seat. The valve body is fixed to a valve shaft, and a valve body abutment plate for abutting the elastic valve body portion is supported to the valve shaft. The valve bod... | 02/26/2008 |
| 7310942 | Exhaust passage control valve Exhaust passage control valve 10 may comprise housing 30, valve member 20, and helical torsion spring 40. Housing 30 has an exhaust passage. Exhaust gas from an internal combustion engine flows through the exhaust passage of the ho... | 12/25/2007 |
| 7302961 | Surge relief valve A surge relief valve comprising a main valve body having a dome port and an inlet port. The inlet port is in fluid communication with a first fluid. The invention further includes a dome reservoir connected to the main valve body via the dome port and arranged to ho... | 12/04/2007 |
| 7270147 | Adjustable variable flow fertilizer valve A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the sec... | 09/18/2007 |
| 7263993 | Method of use of gas mixtures to achieve washout of nitrogen from the body and mitochondria The disclosure details methods and gas mixtures which are useful for washing nitrogen out of the body and mitochondria following acute cerebrovascular accidents (strokes) and allow the reuptake of oxygen into mitochondria of ischemic tissues following re-flow, there... | 09/04/2007 |
| 7255323 | Pressure activated valve A pressure activated valve incorporates arrangements of permanent magnets within the valve housing to establish a pressure threshold at which the valve is either opened or closed. The magnets are mounted relative to one another with opposing polarities; so that the ... | 08/14/2007 |
| 7216669 | Pressure regulating valve for common rail fuel injection systems A pressure regulating valve for regulating the pressure in a common rail with a pistonlike valve member which is guided axially displaceably in a bore and acts in the closing direction on a closing element and presses it against a valve seat; the valve member forms ... | 05/15/2007 |
| 7210480 | Shock treatment systems and methods According to the invention, methods and devices for increasing cardiopulmonary circulation induced by chest compression and decompression when performing cardiopulmonary resuscitation are provided. According to one method, a pressure responsive inflow valve is coupl... | 05/01/2007 |
| 7207350 | Pressure valve The invention relates to a pressure valve with a flow passage (3) having a valve body (14) and a lifting plate (21) that has a surface area A2 transversally of the flow passage (3) that exceeds the cross sectional area A1 ... | 04/24/2007 |
| 7204251 | Diabetes treatment systems and methods A method for treating a breathing person suffering from diabetes utilizes a valve system that is interfaced to the person's airway and is configured to decrease or prevent respiratory gas flow to the person's lungs during at least a portion of an inhalation event. T... | 04/17/2007 |
| 7185649 | Systems and methods for increasing cerebral spinal fluid flow In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted to be interfaced with a person's airway. The device further includes... | 03/06/2007 |
| 7159613 | Pressure limiting valve in a hydraulic machine having a pressure limiting valve In the housing 1 of a hydraulic machine, the pressure Pi acts in the chamber 2. For this purpose, a passage opening 4 is provided, which is formed as a valve seat 5. A valve body 6 can be displaced longitudinally in the housing ... | 01/09/2007 |
| 7141038 | Endourethral device and method Several embodiments of an endourethral prosthesis, assembly, and attendant methods are provided for patients presenting with lower urinary tract symptoms (LUTS) or urinary retention. The endourethral prosthesis includes a reversibly expandable element disposed circu... | 11/28/2006 |
| 7132089 | Set for sterilising medical instruments or appliances The invention relates to a serialization set, in particular for surgical instruments or appliances, consisting of a container and an electronic apparatus (17) for recording at least one serialization parameter. The container includes a valve (11) arran... | 11/07/2006 |
| 7111637 | Enclosure system for pressure relief device An enclosure for a pressure relief device, particularly pressure relief devices mounted on electrical equipment housings, is pre-assembled together with the pressure relief device. The enclosure, which provides for temporarily confining and directing fluids discharg... | 09/26/2006 |
| 7108655 | Endourethral device and method An endourethral device is provided having an elongate member having proximal and distal segments, the elongate member positionable within a lower urinary tract so as to at least partially traverses a prostatic urethra. A proximal anchor, adapted to abuttingly engage... | 09/19/2006 |
| 7066177 | Exhalation valves An exhalation valve (10) is disclosed for use with an exhalation port (14) of a respiratory circuit. The exhalation valve comprises a hermetically sealed gas chamber (20,120), a gas inlet (22,122) for supplying gas to the gas chamber, and... | 06/27/2006 |
| 7066722 | Discharge valve for compressor A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge... | 06/27/2006 |
| 7044128 | CPR demonstration device and methods A demonstration device comprises a base having a front side, a back side, a respiratory port, a circulation port, a heart port and at least one lung port. The heart port is fluidly connected to the circulation port, and the lung port is fluidly connected to the resp... | 05/16/2006 |
| 7025085 | Radial poppet-type check valve with closure assist feature A poppet-type check valve for controlling fluid flow, and including a valve housing having an interior and first and second ports therein communicating with the interior of the valve housing for permitting fluid flow from an upstream side to a downstream side thereo... | 04/11/2006 |
| 7001327 | Urinary flow control device and method A urinary flow control device having a bladder responsive flow control assembly operatively engaged with an elongate member having proximal and distal ends, and a lumen capable of discharging urine therethrough is provided. The flow control assembly includes first a... | 02/21/2006 |
| 6983762 | Pressure regulator for a fuel supply system of an internal combustion engine The invention relates to a pressure regulator for a fuel delivery system of an internal combustion engine for regulating a fuel pressure, including a valve, which has a valve ball that is pressed against a valve seat in the closed position by the action of a valve l... | 01/10/2006 |
| 6981654 | Apparatus for intermittent liquid dispersal Valve for the periodic and cyclic or otherwise intermittent release of a fluid is described along with an irrigation sprinkler incorporating the valve. The valve opens when a critical pressure level is reached in a reservoir attached to the valve, thereby permitting... | 01/03/2006 |
| 6976668 | Roll diaphragm control valve The present invention provides an improved diaphragm control valve with a simplified construction that has significant advantages over prior art diaphragm control valves. Further, the present invention provides substantially straight-through fluid flow which enables... | 12/20/2005 |
| 6957603 | Modulated overpressure valve structure for fluid operated device A pressure releasing valve structure 36″ is provided for a fluid operated device 10. The device has an orifice 42 constructed and arranged to be in fluid communication with a pressure chamber C. The valve structure includes a body 49 ha... | 10/25/2005 |
| 6945272 | Passively actuated valve A passively actuated valve for isolating a high pressure zone from a low pressure zone and discontinuing the isolation when the pressure in the high pressure zone drops below a preset threshold. If the pressure in the high pressure zone drops below the preset thresh... | 09/20/2005 |
| 6935364 | Magnetically-operated relief valves A valve comprising a housing having an inlet and spaced therefrom an outlet, a passageway extending between the inlet and the outlet, and a mechanism located in the passageway for controlling the flow of a fluid between the inlet and the outlet, the mechanism includ... | 08/30/2005 |
| 6923199 | Damage resistant valve assembly A tire air pressure valve assembly is described that has an air sealing surface disposed toward or inside the metal wheel of a vehicle, and a protective housing surrounding a portion of the valve. The valve has an external stem with a built in break away feature whi... | 08/02/2005 |
| 6910745 | Check valve with vibration prevention function In a check valve of the present invention, when a pressure action direction of a fluid on a valve body is assumed to be X, a spring receiving surface that abuts with a seat surface that is at one end in an axial direction of the helical compression spring is made to... | 06/28/2005 |
| 6837266 | Remotely actuated multiple pressure direct acting relief valve A multiple pressure direct acting relief valve is disclosed. The multiple pressure relief valve comprises an actuating cylinder, a relief valve and an adjustment screw interconnecting the actuating cylinder and the relief valve. The relief valve includes a low press... | 01/04/2005 |
| 6830064 | Leak control valve A leak control valve preventing the damage of the vacuum pump and/or the neighboring instruments even in the case of fluid leak at the vessel. The side wall of the valve poppet closes the channel to the outlet through restoring forces of the springs installed... | 12/14/2004 |
| 6739847 | Structure of check valve with silencing cover The present invention mainly includes a valve cock and a valve cock cover to form a structure of check valve, of which a trepan boring is set on the cover to accommodate the valve cock, and a pressure guide hole is set on the cover body to connect the high-pressure ... | 05/25/2004 |
| 6732947 | Apparatus for intermittent liquid dispersal Valve for the periodic and cyclic or otherwise intermittent release of a fluid is described along with an irrigation sprinkler incorporating the valve. The valve opens when a critical pressure level is reached in a reservoir attached to the valve, thereby permitting... | 05/11/2004 |
| 6651696 | Relief valve A relief valve with two outlet ports increases the flow capacity of the valve when open. In an alternative embodiment, a relief valve with two outlet ports also has at least two springs stacked vertically. Alternative seal assemblies can be used with the ... | 11/25/2003 |
| 6648012 | Non-return valve override device An improved non-actuated non-return valve, the valve including a non-magnetic valve body having a substantially hollow interior portion in communication with a gas inlet and a gas outlet. A mechanically biased flow check assembly is positioned within the ... | 11/18/2003 |
| 6637456 | Safety valve The invention concerns a safety valve, in particular for low pressures and aggressive media, with an inlet which ends at the top in a valve seat upon which lies in a sealing manner a weight-loaded sealing body. A certain overpressure below the valve seat ... | 10/28/2003 |
