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Document |
Document Title |
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7588231 |
Low emission, fixed maximum liquid level gauge and valve
A valve for substantially reducing emissions from a level gauge. A lower end of the valve fits in a first interior cavity of the level gauge, which is in gaseous communication with an emission...
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7543723 |
Air vented liquid valve
An air-vented closure assembly for a fluid container has a valve body and a valve element. The valve body has first and second fluid conduits. The valve body has a mounting sleeve in fluid...
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7517385 |
Gas separation device and method of use
A gas separation device for separating oxygen gas from air includes a compressor; a concentrator; a measurement mechanism; and a flow control mechanism that includes a valve assembly for providing...
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7410146 |
Drain valve with flow control
A drain valve allows liquid to flow into or out of a liquid-container product by use of a restriction cap having a control ring that twists in and out of a base ring in order to control the flow....
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7287541 |
Method, apparatus and system for controlling fluid flow
A system, apparatus and method of controlling the flow of a fluid are provided. In accordance with one embodiment of the present invention, a flow control device includes a valve having a flow path...
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7121526 |
Drain plug assembly
A drain plug for a threaded opening in a fluid container that is particularly suited for transom drains in recreational boats. The plug has an externally threaded cylindrical body with a central...
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6929020 |
Fluid pressure releasing system and method
A system and method for enabling rapid and controlled releasing of fluid pressure, as for deflating a tire. The system, in an embodiment thereof, enables rapid and controlled deflation of a tire to...
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6824118 |
Micro-adjustment flow control valve
An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs...
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6553728 |
Insulating glass unit pressure equalization valve
A pressure equalization valve enabling equalization of pressure between the between-pane space of an insulating glass unit and ambient pressure, and glass units containing such a valve. The...
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6540205 |
Fine-adjustment flow control valve
An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs...
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6534793 |
Control valve for an exhaust gas recirculation system of an internal combustion engine
The invention relates to a valve for controlling the quantity of exhaust gas recycled in an exhaust gas recirculation system of an internal combustion engine, comprising a shutoff valve ( 3 )...
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6464203 |
Swing-door gate valve
A gate 3 for opening and closing an opening 2 of a chamber 1 is fixed to a top end of an arm 7 swung between a position facing the opening and a retreating position on the side thereof. A...
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6409149 |
Dual pendulum valve assembly with valve seat cover
A dual pendulum valve assembly for connecting a process chamber and a vacuum pump of a semiconductor manufacturing system. The valve assembly includes an isolation valve for sealing an opening to...
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6382592 |
Valve
A valve has a valve body, a valve sheet formed in the valve body which contacts the valve sheet in an axial direction, to thereby open and close the valve sheet with a knurling portion and a...
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6368736 |
Reactant product valve for an electrolysis cell
A reactant product valve for an electrolysis cell. The valve comprises first and second members disposed generally horizontally in the reactant product above the electrodes. The second member...
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6340148 |
Valve handle for preventing a valve from being accidentally turned on
The present invention relates to a valve handle for preventing a valve from being accidentally turned on. In the preferred embodiment of the present invention, the valve handle comprises a fixing...
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6241213 |
Diaphragm valve
A valve including: a bonnet; a body secured to the bonnet and including at least two ports and at least one weir positioned between the ports; a valve stem being movably coupled with the bonnet,...
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6200111 |
Controllable high volume positive displacement pump
A controllable positive displacement pump for liquids and gases which may contain dispersed phase particles includes a pair of pistons operating out of phase. Each of the pistons is associated with...
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6186473 |
Tap
A tap has a hollow body (6) having an interior threaded portion (18) and (9). A manually turnable spindle (7) having an exterior threaded portion (19) is threadably engaged with the interior...
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6186174 |
Valve assembly
Multi-port valve assemblies with, typically, two-piece housings are disclosed. Particularly useful in connection with swimming pools and associated water pumps, the assemblies avoid reliance on an...
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6148841 |
High pressure gas valve
A post valve for use with a source of high pressure gas is disclosed. The post valve includes a body having an inlet aperture extending therethrough. The body further includes an outlet aperture in...
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6112368 |
Temperature compensating valve
A valve element for operative association with a valve seat in a passage in a body in which the valve element is mounted, in use, the valve element comprising first and second portions connected...
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6095494 |
Rising stem tap of plastic, preferably with a metal threaded insert
A tap body (1) comprising a plastic shroud (6), a substantially plastics tap spindle (7), and a locking collar (12). The body (1) has an inner threaded portion (18) and the spindle (7) is...
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6029683 |
Pressurized gas tank valve plug
There is provided a pressurized gas tank valve plug which can safely and effectively fit and seal a first pressurized gas tank valve and a second pressurized gas tank valve each valve having a...
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5992440 |
Washer saver faucet valve
The present invention provides a novel faucet with a non-circular slider assembly to which a resilient seat-washer is attached. In a preferable embodiment of the invention the slider assembly has a...
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5957147 |
Retaining snap ring safety adapter
After removal of a valve cap from an in line shut off valve the Retaining Snap Ring Adapter with male threads and seat at one end, female threads and seat at the other end, a hex outer surface at...
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5947444 |
Gas tap
The tap comprises 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 to...
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5853026 |
Valve with downstream manual bleed
A valve for controlling the flow of a liquid includes a valve seat which is engaged by a selectively operable valve member. A pressure chamber above the valve member contains upstream pressurized...
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5829474 |
Tubing piercing and tapping apparatus
An apparatus for piercing a hole in a tube centered on a tube axis has a plurality of housing parts one which is formed with a throughgoing threaded passage centered on a passage axis and both of...
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5775672 |
Release valve for lifting devices
A release valve for a lifting device includes a valve stem, a fixing seat, a spiral spring, and a knob. The valve stem includes a first conical end mounted in an oil path of the lifting device, a...
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5769119 |
Combined control and check valve for gas torches
A combination control valve and check valve for a gas torch is disclosed wherein a check valve is positioned within an annular control valve member downstream of a spherical control valve element...
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5769392 |
Water flowrate control device
An improved hydraulic valve comprising a housing having a first coupling end and a second coupling end is provided. The housing includes a receiving recess having an opening atop. The lower section...
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5694971 |
Lead-free saddle valve for tapping into fluid lines
A lead free water valve for domestic use as a saddle valve for tapping into existent water supply tubes to establish a permanent retrofit installation for controlled water service to a lateral...
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5641012 |
Valve device
A value device for connecting a container filled with a flowable material to an applicator device for dispensing the flowable material comprises a unitary, essentially cup-shaped housing 1 having...
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5630666 |
Cone-shaped paint container
A paint can comprising a container having an upper portion formed in cylindrical configuration and a lower portion formed in an inverted cone shaped configuration, the lower portion having an...
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5503180 |
Valve having easily replaceable seat
A valve has a seat that is replaceable without disassembly of the bonnet from the body or removal of the stem and closure member. The seat is maintained in a fixed position within the body of the...
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5480122 |
Shut-off valve for installation immediately downstream from a defective valve mounted into the compression-connection type of outlet of the defective valve
A trouble-shooting shut-off valve includes an inlet-tail-tube mountable directly into a compression-fitting outlet socket of a defective shut-off valve, thus positioning the trouble-shooting valve...
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5454546 |
Water faucet mechanism
A water faucet includes an inlet, an outlet and an opening formed between the inlet and outlet. A cylindrical member extends upward from the opening. A sleeve is secured to the body. A rod is...
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5447203 |
Remotely actuated firefighting nozzle
A firefighting nozzle includes a nozzle body having a having a centrally formed jet orifice at its outlet end. An annular fog spray opening concentrically surrounds the jet orifice. A jet control...
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5435339 |
Manual air relief valve
A manually operable pressure relief valve for swimming pool filter systems and the like, including a valve housing, a valve stem movable axially in the housing to open and close the valve, and a...
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5421547 |
Inline valve
An inline valve includes a glass body having an upwardly open bore with a tapered seating surface, and colinear inlet and outlet ports having passages intersecting the seating surface. Fluid flow...
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5211313 |
Dispensing taps
A dispensing tap of the type which is attached to a cask or a bottle is described. The tap body having an inlet and an outlet and a valve element controlling the outlet. A small bore capillary tube...
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5172886 |
Fluid flow control valve assembly
A fluid flow control valve assembly which comprises a valve housing having defined therein a valve chamber defined therein a valve hole, inflow and outflow ports adapted to be communicated with...
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5127437 |
Valve
A valve for controlling flow of air from a source of air under pressure such as a compressed air tank comprising an elongate body with first and second ends and first and second sides lying...
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5100542 |
Dispenser of liquid agent for treating a recirculated body of water
Concentrated sanitizing liquid is stored in a main reservoir coupled directly to a measured reservoir by a check valve so that it automatically refills upon being emptied by air under pressure from...
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5083749 |
Plastic needle valve
A plug-type, rising stem needle or shut-off valve for controlling fluid flow comprises a valve housing forming a valve chamber with inlet and outlet ports connecting therewith. A bonnet member with...
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5078363 |
Valve assembly for a tank
A valve assembly includes a seat and a valve member. The valve member is pivotally connected to and engageable with the seat to close a flow aperture. The valve member is resiliently yieldably...
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5029599 |
Butterfly valve method and apparatus
a balanced butterfly valve method and apparatus having a valve plate pivotally supported within a mounting body. The valve plate is capable of both rotational and translational movement in response...
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5020775 |
Isolation valve used in a single crystal pulling apparatus
An isolation valve used in a single crystal pulling apparatus, having a frame (11), a vertical passageway for communication between a main chamber and an upper pull chamber of the single crystal...
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5005804 |
Balanced-torque butterfly valve
A balanced-torque butterfly valve (40) incorporates a pivot mechanism (52) designed to provide for bimodal movement of the valve plate (42). The valve plate (42) has a cavity (54) formed therein to...
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