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| Number | Title | Issue Date |
| 8141575 | Valve and production method thereof A valve includes a silicon substrate having first and second surfaces, a channel having an opening extending between both surfaces of the silicon substrate, and a metal pattern on the first surface of the silicon substrate. The metal pattern surrounds the opening on... | 03/27/2012 |
| 8025074 | Micro-machined temperature dependent one-shot valve and process for production thereof A micro-machined temperature dependent one-shot valve is provided which has an operation temperature adjustable readily, causing no leakage below the operation temperature even at a high pressure difference, being useful both in a liquid environment and in a gas env... | 09/27/2011 |
| 7677262 | Safety valve of a high pressure storage, in particular a hydrogen storage tank A safety valve for a compressed gas storage tank (12) includes a relief conduit (16, 18) provided for fluid connection to an interior chamber (14) of the compressed gas storage tank (12), and a closing member (22) sealing the relie... | 03/16/2010 |
| 7392766 | Temperature and pressure relief apparatus for water heater A liquid heating appliance, representatively a water heater, is provided with protective apparatus for preventing rupture of its liquid storage tank portion caused by overheating of pressurized liquid therein. Illustratively, the protective apparatus includes a leng... | 07/01/2008 |
| 7387134 | Fire safety device for propane cylinders A fire safety fluid flow device for engagement with a Schrader valve including a sliding valve a housing having a fluid path therethrough and a pressing member. The pressing member presses against the sliding valve of the Schrader valve when engaged therewith to all... | 06/17/2008 |
| 7361315 | Micro-reactor for biological substance inspection and biological substance inspection device The object of the present invention is to provide a micro-reactor, equipped with a high-precision liquid feed system of simple structure, capable of high-precision analysis of at least one item. The present invention provides a micro-reactor for biological substance... | 04/22/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7323140 | Moving microdroplets in a microfluidic device The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations within the microfluidic. The system includes a substrate which forms ... | 01/29/2008 |
| 7309022 | Substance shutoff device and fuel cell There is provided a substance shutoff device for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are brought into contact with each other to thereby prevent further contact b... | 12/18/2007 |
| 7300199 | Retaining microfluidic microcavity and other microfluidic structures A microfluidic device that comprises several microchannel structures in which there are an inlet port, an outlet port and there between a structural unit comprising a fluidic function. The structural unit can be selected amongst units enabling a) retaining of nl-ali... | 11/27/2007 |
| 7270786 | Methods and systems for processing microfluidic samples of particle containing fluids The present invention relates to a microfluidic system for processing a cell-containing liquid. The system includes a microfabricated substrate having an enrichment channel to prepare an enriched cell sample from the cell-containing liquid. A flow through member is ... | 09/18/2007 |
| 7243901 | Rotary valve apparatus and associated methods A rotary valve is provided with an elliptical valve disc that seats against a seal element operatively mounted in an elliptically shaped depression formed in the rigid annular portion of a seal cartridge structure carried by the valve body. Due to the elliptical sha... | 07/17/2007 |
| 7204264 | High pressure capillary micro-fluidic valve device and a method of fabricating same A freeze-thaw valve and a method of micro-machining the freeze-thaw valve is provided and includes a valve housing, wherein the valve housing defines a housing cavity and includes a housing inlet, a housing vent, a capillary tubing inlet and a capillary tubing outle... | 04/17/2007 |
| 7201881 | Actuator for deformable valves in a microfluidic device, and method A combination is provided that includes a microfluidic device and a pivoting actuator. Methods of using the combination are also provided. The microfluidic device can include deformable valves that can be opened, for example, by the pivoting actuator. ... | 04/10/2007 |
| 7198759 | Microfluidic devices, methods, and systems Microfluidic assemblies, systems, and methods are provided for manipulating fluid samples. Assemblies include an elastically deformable cover layer and a less elastically deformable substrate. The methods include deforming the substrate through the cover layer so th... | 04/03/2007 |
| 7192557 | Methods and systems for releasing intracellular material from cells within microfluidic samples of fluids The present invention relates to a microfluidic system for processing a cell-containing liquid. The system includes a lysing zone to receive the cell-containing sample and a positioning element to position the cell-containing sample in a lysing position in the vicin... | 03/20/2007 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7175772 | Small scale actuators and methods for their formation and use An actuator assembly and method for making and using an actuator assembly. In one embodiment, the assembly includes an actuator body having an actuator channel with a first region and a second region. An actuator is disposed in the actuator channel and is movable wh... | 02/13/2007 |
| 7171822 | Air conditioning system with interior and exterior assemblies Vehicles are provided with a first air conditioning system adapted to condition at least air in the driver compartment and a second air conditioning system distinct from the first air conditioning system and adapted to operate independently of the first air conditio... | 02/06/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7150287 | Safety valve A safety valve comprises a main body, fixed body, meltable body, movable body, biasing member, movable plug and plug holding means. The fixed body has a small passageway communicating with the interior of a container, and an upper large passageway. The movable plug ... | 12/19/2006 |
| 7140379 | Cross-over prevention valve A valve mechanism which is resiliently biassed towards a first position but is normally retained in a second position by means of a linkage including a chemically sensitive device which is arranged to release in the presence of a contaminant. ... | 11/28/2006 |
| 7135147 | Closing blade for deformable valve in a microfluidic device and method A microfluidic manipulation system is provided that includes a blade for manipulating deformable material and at least one movable support that is capable of moving the blade into contact with a microfluidic device including a deformable feature. When the microfluid... | 11/14/2006 |
| 7128437 | Temperature activated pressure relief mechanism for flashlights and batteries A temperature activated pressure relief mechanism for a flashlight or other battery containing device includes a watertight sealed flashlight housing which has an opening which extends from an outer surface to and inner surface of the housing. A metallic eyelet havi... | 10/31/2006 |
| 7111818 | Safety valve A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point is accommodated within the alloy ... | 09/26/2006 |
| 7090736 | Pressure vessel prestressing technique A method of making a filament wound pressure vessel. A thermoplastic liner is filament wound with a commingled roving containing thermoplastic and reinforcing filaments. The wound tank is partially filled with a cooling liquid and the wound tank is heated to a tempe... | 08/15/2006 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 7060225 | Self-contained assay device for rapid detection of biohazardous agents The invention relates to self-contained assay cassette for detecting a ligand in a sample. The assay cassette provides for turbulent flow and mixing of the sample with assay components, including receptors that bind to a ligand, optional microspheres capable of bind... | 06/13/2006 |
| 7032880 | Valve with pressure adaptable seat A seat assembly extending about an inlet passage of a valve and engaging a valve member is disclosed. The seat assembly includes an annular seat carrier having an annular groove formed therein, and a seat positioned in and extending from the annular groove of the se... | 04/25/2006 |
| 7028983 | Coupling member of a pipe coupling and valve body used in a coupling member When a valve body of a coupling member is moving toward a fluid passage closed position, if the valve body becomes inclined, the present invention prevents a sealing ring of the valve body from coming into friction engagement with a conical wall surface of the fluid... | 04/18/2006 |
| 7017599 | Thermal relief vent and method of manufacturing the same An improved thermal relief vent for a fuel tank, and a method of manufacturing the same, includes a thermal relief ring that is used to create a mechanical seal within the vent. The thermal relief ring, at room temperature, is crimped in place by use of the vent cap... | 03/28/2006 |
| 7018289 | Latch assembly for damper A damper assembly is provided having at least one damper blade that operates in a normally open position. A fusible link is connected to the damper blade to maintain the damper blade in the open position against a biasing force tending to close the damper blade. The... | 03/28/2006 |
| 6994101 | Pressure relief valve Pressure relief valve including an annular nut of relatively high thermal conductivity including a first end portion providing an inwardly extending axial cylindrical surface and an internal annular surface extending radially outwardly from the cylindrical surface a... | 02/07/2006 |
| 6949385 | Thermal microvalves The movement and mixing of microdroplets through microchannels is described employing silicon-based microscale devices, comprising microdroplet transport channels, reaction regions, electrophoresis modules, and radiation detectors. The discrete droplets are differen... | 09/27/2005 |
| 6895952 | Appliance end fitting An appliance end fitting for connecting a gas operated appliance to a pressurized gas cylinder includes a simplified interior valve that acts as both a thermal valve and an excess flow control valve. The end fitting has an elongated body formed in two telescoping se... | 05/24/2005 |
| 6883326 | One-shot electro-pneumatic actuator A one-shot, electro-pneumatic actuator apparatus for quickly supplying a pressurized fluid to an external device upon the actuation of an external control signal. The actuator includes a housing having a first portion for containing a quantity of pressurized fluid, ... | 04/26/2005 |
| 6866057 | Thermal-pressure relief device A thermal-pressure relief device, which has an adapter (20) threaded into the wall of a pressure vessel. The adapter contains an orifice (22) therethrough in line with a recessed cavity (32) which includes a raised stem (34). A blow out m... | 03/15/2005 |
| 6851445 | Pressure relief device A pressure relief device having a housing including an inlet, an outlet, and an inner wall defining a bore connecting the inlet and the outlet. The inlet is in communication with a fluid under pressure in a pressure vessel. The bore includes an inlet portion extendi... | 02/08/2005 |
| 6820633 | Thermally-sensitive safety device for gas tubing The present invention is to provide a thermally-sensitive safety device for gas tubing including a main body provided with an inlet, an outlet and a gas passage communicated with said inlet and said outlet, and a thermally-sensitive control valve mounted in the gas ... | 11/23/2004 |
| 6776181 | Safety valve for pressurized fluid tanks The valve is intended to be opened at a predetermined temperature in order to release the pressurized fluid from the tank and its opening is triggered by melting of a meltable material. It comprises a body in the shape of a socket (10), the open end of which ... | 08/17/2004 |
