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7625354 |
Handpiece for fluid administration apparatus
A handpiece assembly is provided that is adapted for use with a medication infusion system that applies pressure to the handpiece assembly for delivering medication to a body. The handpiece...
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7624792 |
Shear activated safety valve system
A safety valve system includes a safety valve having an actuator and a line connected to the actuator. The safety valve is operable by opening the line in the well, with the line being free of any...
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7562673 |
Automatic flow shut-off system
An automatic system which includes a tripper unit for actuating a device (e.g. valve-closing actuator) upon contact with water. Basically, the tripper unit is comprised of a housing having a...
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7281544 |
Devices and methods for controlling the release of a substance
Valves for controlling the release of a substance, include a housing having an inlet for connection to a source of the substance, an outlet, and a passage extending therebetween. The passage is...
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7270140 |
Poppet valve assembly
A poppet valve assembly is sized and constructed for insertion into the lower portion of a flow control valve used within the opening of a cylinder for storing a compressed gas. When the flow...
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7152616 |
Devices and methods for programmable microscale manipulation of fluids
The present invention is directed generally to devices and methods for controlling fluid flow in meso-scale fluidic components in a programmable manner. Specifically, the present invention is...
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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...
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7082957 |
Temporary closure devices and tube couplings incorporating such devices
The disclosure relates to a temporary closure device for a throughway comprises a sleeve to fit in the throughway and a core located in the sleeve. The core has an annular rupturable connection...
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7021345 |
Ball and socket breakaway fitting
A hose breakaway fitting for a fuel hose and fuel dispenser that comprises of an inner ball-shaped valve section and an outer socket-shaped breakaway section. The valve section is connected to the...
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7013907 |
Gas purge valve
A gas purge valve comprising a housing fitted with an inlet port being in flow communication with a liquid outlet port, and at least one gas outlet member, a gas flow barrier associated with the...
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6899122 |
Safety shutoff apparatus and method
Safety shutoff apparatus can close a valve using a pressure operable device coupled to and acting upon the valve. The proximal end of a pressure line is coupled to the pressure operable device for...
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6810915 |
Accumulator having a safety valve
In an accumulator comprising a pressure vessel, a bellows dividing the interior of the pressure vessel into a gas chamber filled with pressurized gas and a liquid chamber which communicates with a...
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6644336 |
Method and apparatus for automatic shutoff of a valve when a substance is present in a flow of fluid
A tensile load is applied to a sensor element that will carry the tensile load in the absence of a substance and will fail to carry the tensile load in the presence of the substance. The sensor...
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6484742 |
Cartridge assembly for valve
A cartridge assembly for a valve is disclosed. The cartridge assembly includes a cartridge containing an activation component. The cartridge and activation component are configured to be...
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6321769 |
Injection pressure sensor sealing mechanism
An injection pressure sensor (10) intended for use with a fluid source (12). The injection pressure sensor (10) has a sensor element (14). and a tube member (18). The tube member (18) creates a...
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6280142 |
Pressure relief device for a propeller hub
A pressure relief device for preventing over pressurization of a propeller hub is disclosed. The pressure relief devices is designed to fit within a ball hole opening in the hub arm of the hub. The...
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6276389 |
Toxic fluid safe relief valve
A toxic material pressure relief valve is formed by a valve body having a lateral bore and an inline bore forming a fluid passageway intersected by a valve seat in axial alignment with the lateral...
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6267001 |
Test plug
A disposable plug for installation in a cylindrical water line to temporarily block the water line to the passage of water therethrough. The disposable plug includes a cylindrically shaped tablet...
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6135134 |
Excess flow volume control valve
A shutoff valve assembly interposed in a fluid line for monitoring fluid flow volume and closing a fluid conductor, in the event of fluid flow volume above a predetermined value. The valve assembly...
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6102367 |
Gas tap
A gas tap comprising an external operating element and a connecting stem for transmitting the movement of the operating element to the opening and closure member which is arranged in such a way as...
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6073812 |
Filtered venting system for liquid containers which are susceptible to contamination from external bioburden
A multi-layer film (22) covers an aperture (21) in a rigid container (10) to provide a filtered venting system (C) for the container. The film includes a porous filter layer (36,36') of a material...
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6058960 |
Device serving as a valve insert for fluid containers under pressure
A device serving as a valve insert for pressurized fluid containers includes a valve plate, a valve body and a valve piston. The valve piston has at least one predetermined breaking point.
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6058961 |
High pressure relief valve
A right angle relief valve body for high pressure fluid is provided with a bushing type valve seat in the inlet port. A piston valve having rod guide end portions is longitudinally slideable in the...
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6024116 |
Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak
A valve assembly is operative for automatically shutting off both a water supply line and gas supply line to a gas-fired hot water vessel upon detection of water discharge, leak or overflow, from...
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6000632 |
Pop-up sprinkler head with maintenance features
A pop-up sprinkler head is provided with a mechanism that shuts off the water when the nozzle portion of the riser is removed for maintenance. A stopper element reciprocally mounted in the riser...
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5960811 |
Sensing valve for automatic shutoff when a substance is present in a flow of fluid
A sensing valve includes a flow control member and a sensor element responsive to the presence of a substance in a flow of fluid for actuating the flow control member for stopping the flow of fluid...
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5860442 |
Fluid pressure shutoff and relief valve
A safety valve for a preventing over pressure in a fluid processing system utilizing a fluid pressure regulator in a fluid supply line upstream from the processing vessel is formed by a valve,...
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5785074 |
Vented ball valve with lock-out ring
The present invention relates to a ball valve with a shear stem which can be utilized in combination with a conventional ball valve or vented ball valve. The ball valve with a shear stem is...
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5782305 |
Method and apparatus for removing fluid from production tubing into the well
Methods and apparatus are provided for draining or removing well fluid from a production tubing string into a well borehole while pulling the tubing string from the well. A special length of tubing...
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5762322 |
Actuator assembly to prevent inadvertent product discharge upon installation on stem
An actuator assembly for an aerosol container containing a product to be dispensed. The actuator assembly comprises a base having a through bore extending therethrough and a mechanism for securing...
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5727586 |
Reclosing collapsible pin pressure relief valve
A fluid pressure relief valve of the excess pressure collapsible pin relief valve type which monitors fluid pressure in a system and automatically recloses after opening and discharging an initial...
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5694117 |
Alarm system for rising stem valves
An alarm system for a particular type of lifting seal type valve, such as those employed in pressure relief. The alarm system consists of a signal source, an alarm mechanism and a signal carrying...
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5687758 |
Gas leak sensor shutoff valve and method for installation
A gas leak sensor shutoff valve includes a cylindrical body having a connector nipple secured in an inlet port and adapted to be secured to a gas supply pipe. An internal bore extends within the...
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5631634 |
Flow and pressure sensor
A pressure sensor assembly includes a disk entirely of metal and having a plurality of circumferentially spaced petals, separated by a plurality of radially extending slots. The slots extend from...
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5609179 |
Automatic shut-off valve
An automatic shut-off valve for a fire hydrant or other device that is vulnerable to breakage, which is attached to a straight-walled fluid carrying pipe, the valve having a pair of separated...
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5595208 |
Double valve
A double valve 1 is used for a container 4 of the type serving the purpose of distribution of a liquid, e.g., beer, which is stored in the container 4 under pressure of a gas, e.g., CO 2 . The...
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5583490 |
Rupture disk monitoring apparatus
A monitoring apparatus for monitoring the condition of a pressure relief rupture disk disposed in a pressure relief conduit is disclosed. The monitoring apparatus includes an electrically...
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5577524 |
Large diameter resettable rupture pin relief valve
A large diameter in-the-field resettable rupture pin relief valve is formed by superposed valves normally closing a valve inlet port and released to open the port under excess pressure by...
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5551367 |
Dual setting under pressure relief system
A system for providing differential pressure relief in vessels having a cargo tank, incorporating an inert gas biased pressure/vacuum relief valve is disclosed. A source of inert gas, under...
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5507501 |
Sealing disc used in hydraulic testing of plumbing system
A disc-shaped sealing device for use in temporarily blocking and sealing a plastic fitting in a drain, vent, waste plumbing system is molded as an integral, unitary piece from polymeric material....
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5482075 |
Pressure surge resistant rupture disk assembly
The present invention provides a pressure surge resistant rupture disk assembly adapted to be sealingly clamped across a pressurized fluid containing passageway. The assembly basically comprises...
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RE34939 |
Connector with a safety shut-off feature
A connector device with a safety shut-off feature for connecting a gas appliance to a source of gas preventing the flow of a gas in the event of an occurrence which might cause gas leakage...
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5393497 |
Device for containing and opening a glass ampule and for transferring liquid within the ampule to a container
A device (2) used to transfer the liquid contents (156) of a glass ampule (8) to a vial (10) includes a telescoping ampule body (12, 14) defining a collapsible, substantially air-tight region (22)...
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5372306 |
Fail safe lawn sprinkler device
A sprinkler head assembly for a lawn sprinkler system includes a valve having a valve actuating member which is engaged by the sprinkler head when the sprinkler head is in place, holding the valve...
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5365973 |
Break-away concentric hose coupling
A break away hose coupling for use in conjunction with a vapor recovery nozzle and for application within a fuel line, that prevents untimely decoupling, that only decouples upon the exertion of a...
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5363889 |
Fuel dispensing nozzle assembly
A fuel dispensing nozzle including three calculated break points is provided. The first break point is provided in the spout which is calculated to fracture upon application of a force orthogonal...
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5351707 |
Vibration-resistant impact valve for vapor recovery line
An impact valve with an easily replaceable, breakable valve assembly includes a valve body with a valve opening for connecting to a vapor recovery pipeline connected between a vapor inlet and a...
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5347970 |
Fuel injection device for internal combustion engines
A fuel injection device for internal combustion engines, in which the control of the high-pressure delivery of the pump piston is achieved via a magnet valve disposed in a line between the pump...
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5291912 |
Rupture disk for fire safe valves
A gate valve has a relief passage to prevent excessive pressure buildup in the cavity of the body in the event of a fire. The gate valve has an upstream passage side and a downstream passage side...
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5240026 |
System for control of oil leakage from damaged tanker
Outflow of oil from a damaged tanker having some tanks dedicated for carriage of oil and others for sea water ballast is minimized by transferring oil out of the upper part of any damaged tank to...
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