Matches 1 - 50 out of 323 1 2 3 4 5 6 7 >


Match Document Document Title
9004321 Reusable pour-on gun system  
A reusable pour-on gun system is disclosed that is comprised of a pour-on gun component that does not need an inlet valve, a cap assembly including a one-way valve system, the cap assembly adapted...
8997789 Internal leak detection and backflow prevention in a flow control arrangement  
An apparatus for preventing backflow and contamination, and detecting by-pass leaks in a flow control arrangement is disclosed. The apparatus includes a vent line connecting a sweep gas source and...
8973599 Wall hydrant with integral shut-off valve  
An embodiment wall hydrant includes a reservoir, conduits containing an operating rod assembly and a service rod assembly, and a fluid outlet with a hose connector. The service rod assembly allows...
8826934 Apparatus for preventing backflow of fill valve in water toilet  
An apparatus for preventing backflow of a fill valve in a water toilet. The apparatus includes a fill valve for permitting and stopping supply of washing water from a hydrant into a water tank, a...
8707980 Automatic draining back flow prevention device  
A double check valve is provided that includes an in-line inlet check valve and an outlet check valve that cooperate to prevent back flow of fluid through the valve. The check valve also includes...
8707982 Anti-freeze vacuum breaking structure for a faucet  
An anti-freeze vacuum breaking structure for the faucet contains a tube body including a chamber, an inlet, an outlet, a connecting hole, and an intake valve; a control valve including a housing,...
8613290 Anti-inundation and drainage structure for a anti-freeze faucet  
An anti-inundation and drainage structure for an anti-freeze faucet contains a tube body, a controlling valve, and a control assembly. The tube body includes a chamber, an inlet, an outlet, and a...
8578959 Rinse valve for vacuum waste system  
The apparatus and method of the invention provides for a rinse valve for controlling the flow of rinse fluid to a vacuum waste receptacle. The rinse valve comprises a primary rinse fluid flow path...
8336569 Mixing eductor  
An eductor for mixing two liquids wherein the eductor includes a closed or non-air gap back flow prevention member. The vacuum profile of the eductor is altered by changing an opening in a passage...
8286662 Switching valve with slider  
Disclosed herein is a switching valve for transmitting of fluids. In particular, disclosed herein is a switching valve for filling of gas tanks having a housing with an inlet area and an outlet...
8272394 Double check back flow prevention device  
A double valve is provided that includes an in-line inlet check valve and an outlet check valve that cooperate to prevent back flow of fluid through the valve. The check valve also includes at...
8240333 Separator for a release valve  
An improvement for a backflow release valve of the type used for a backflow event in a supply line is provided. The improvement includes an air-liquid separator in fluid communication with the...
8215332 Zone indicator and vacuum breaker combination  
The object of the present invention is to provide a zone indicator and vacuum breaker combination. The zone indicator assembly includes a body having a funnel shaped interior providing a seal...
8127787 Siphon breaker  
A siphon breaker includes a housing having a gas inlet and a gas outlet. The siphon breaker includes a stop valve adapted to transition from a closed position in which gas is substantially...
8042565 Double check back flow prevention device  
A double check valve is provided that includes an in-line inlet check valve and an outlet check valve that cooperate to prevent back flow of fluid through the valve. The check valve also includes...
8037899 Backflow preventer  
A first check valve has a narrow flow path portion (68) formed between an arcuate portion (46) of the outer periphery (45) of a support member and a second enlarged-diameter portion (11) of a...
7954507 Mixing eductor  
An eductor for mixing two liquids wherein the eductor includes a closed or non-air gap back flow prevention member. The vacuum profile of the eductor is altered by changing an opening in a passage...
7921868 Airing and venting elements for pipes and fittings  
The invention relates to an airing and venting valve for pipes and fittings carrying fluid, comprising a substantially cup-shaped valve body becoming smaller in cross-section towards the bottom...
7896024 Backpressure relief valve  
A sillcock for supplying varying amounts of water at various temperatures includes a backpressure relief valve for relieving backpressure in the sillcock. The sillcock includes a sillcock tube and...
7828005 Freezeless hydrant  
A freezeless hydrant includes an operating screw positioned within a head member, an operating coupling mating with the operating screw, an operating rod coupled to the operating coupling and a...
7681584 Pipe disconnector  
A system disconnector for physically disconnecting an upstream liquid system from a downstream liquid system by means of an outlet valve (35;135) depending on the pressure difference between the...
7575016 Pipe disconnector with increased sealing power  
A system disconnector for disconnecting an upstream liquid system providing an inlet pressure from a downstream liquid system by a release valve (34) in response to a pressure drop between the...
7543599 Siphon and backflow resistant valve  
A valve assembly for preventing backflow and siphoning in a plumbing line, the valve assembly comprising a valve body including a first end having a first aperture for receiving liquid from a...
7497228 Freeze and backflow protection for a subterranean water flushing system  
A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an...
7458388 Freeze safe valve  
A freeze safe valve includes a housing coupled between an upstream tube and a downstream tube of a water flowing or supplying line for shutting off the water flowing or supplying line and for...
7409964 Faucet type valve with backflow control in handle structure  
In a valve, the combination comprising a valve chamber, having a flow inlet and a flow outlet, a valve operator outside the chamber, a stopper in the chamber and operatively connected with the...
7293576 Single-piece manifold with reduced pressure arrangement  
A single-piece manifold comprising a body having an inlet in communication with a water supply and an outlet that communicates with a sprinkler system having a main conduit adapted for fluid flow...
7191962 Sprayer apparatus with backflow valve  
The invention comprises, in one form thereof, a sprayer apparatus that includes a disengageable pressurized fluid source, a pressure chamber in fluid communication with the fluid source, a...
7100637 Wall hydrant having backflow preventor  
A water hydrant having a housing with inlet and outlet ends, and a valve assembly having a valve seat and a valve closure element. A valve operating rod is secured to the valve closure element to...
7093608 Vacuum pressure breaker and freeze protection for a water flushing system  
A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an...
7059340 Valve assembly for pipe disconnectors  
The invention relates to a valve assembly of a pipe disconnector for separating a service water system which is arranged to be filled or re-filled from a drinking water system, comprising upstream...
7013910 Back flow preventer made of at least two different types of material  
A back flow preventer is provided that is made of at least two different materials. The back flow preventer includes a housing that has a passageway configured for the transport of a fluid...
7004187 Line pressure diverter apparatus  
A line pressure diverter for placement between a rupture line and a rupture disc associated with a reactor. The line pressure diverter comprising a first passage, a second passage, a vacuum...
6935358 Flow controlling hydrant structure  
A dual hydrant includes two spaced apart tubular bodies to receive in-flow of fluids A and B, a fluid mixing zone to receive fluids A and B from the bodies, manually operable flow control valves...
6913032 Sanitary faucet unit  
A sanitary fitting block constructed for concealed fitting contains water pipes for hot and cold water and also for mixed water. Between a mixer cartridge to be connected to the sanitary fitting...
6913033 Diverter valve with removable cartridge including integral atmospheric type vacuum breaker and check  
A modular diverter valve with integral atmospheric type vacuum breaker has a housing and a replaceable rotatable cartridge is provided. The housing having a cartridge receiving chamber being...
6910495 Backflow prevention system  
A backflow prevention system that helps prevent contamination of potable water distribution systems from backflow at fire hydrant connections.
6904931 Vacuum breaker with water leak containment device  
A vacuum breaker having a floating piston that is movable in response to the communication of negative pressure to an inlet port of the vacuum breaker for permitting venting of fluid to the...
6899120 Yard hydrant  
A yard hydrant has an elongated wet pipe with a plunger that seals against the inside of a well casing. Lifting a pivoting handle at the top of the wet pipe lowers the wet pipe which opens a...
6857446 Flow controlling dual hydrant  
In a dual hydrant, the combination comprising two spaced apart tubular bodies to receive in-flow of fluids A and B, a fluid mixing zone to receive fluids A and B from said bodies, manually...
6805154 Freeze protection device for wall hydrants/faucets  
A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to...
6792962 Enhanced backflow prevention apparatus and method  
A backflow prevention apparatus and method are provided for use in irrigation systems. An anti-siphoning device may have a housing, a plunger, a plunger retainer, and a cap. The housing has inlet...
6779549 In-line vacuum breaker  
An in-line vacuum breaker for a flexible hand held shower. The vacuum breaker includes a frusto-conical body with a water flow passage extending therethrough. The frusto-conical body has an inlet...
6776183 Aircraft drain device  
An aircraft drain device (14) for interposition between a potable water line (e.g., the drain line from an ice drawer) and a gray water line leading to a drainmast or other external drain. The...
6769450 Valve system  
A valve system, for controlling the dispensing, in use, of a fluid. The valve system comprises first and second valve members which define a cavity therebetween. The first valve member has a...
6761183 Back flow preventing adjustable valve apparatus with fluid escape  
In a valving assembly, the combination comprising an elongated hollow valve body having an inlet and an outlet for fluid flow, a valve in the body to control the flow, an elongated hollow stem...
6755209 Fill valve assembly for a flush tank  
The fill valve incorporates a housing (8) that has a vertical water-carrying channel (24) that leads from an inlet (49) to be fastened on the flush tank bottom (2) to a float-controlled diaphragm...
6752167 Freeze resistant automatic draining wall hydrant with dual check vacuum breaker  
The wall hydrant is automatically draining, providing freeze resistant, and includes protections against contamination of a building's potable water supply from the backflow of water in an...
6672096 Vacuum-breaking valve for refrigeration appliances  
A vacuum-breaking valve for refrigeration appliances, comprising: a tubular body (10) made of a thermally conductive material and mounted through one of the walls of a cabinet (G) of the...
6648003 Backflow preventer  
This backflow preventer includes a body having an upper portion providing an inlet and a lower portion providing an outlet. The body includes a backflow preventer having a nozzle communicating...

Matches 1 - 50 out of 323 1 2 3 4 5 6 7 >