Matches 1 - 50 out of 96 1 2 >


Match Document Document Title
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...
8789552 Anti-siphon device for a flush valve  
An anti-siphon device for a flush valve having an air-inlet sealing diaphragm, a diaphragm bracket with an air inlet, a flex sleeve, a venting bracket, and an offsetting spring. The deformation...
8567434 Closing and sealing means for air admittance valves in sanitary waste water pipe systems  
The closing and sealing device for use in air admittance valves includes a valve housing (10) designed to be connected to the waste water pipe system, an upper cap (14) and a valve closing and...
8297299 Check vacuum breaking device for a tap  
A check vacuum breaking device for a tap includes a locking member screwed into a chamber of a tap. The chamber includes an inlet and an outlet. The locking member includes a cover member secured...
8297300 Anti-backflow vacuum breaker valve  
An anti-back flow vacuum breaker valve that includes a valve body having a cylindrical internal chamber having an upper portion and a reduced diameter lower portion forming a horizontal valve...
8245721 Tube coupling device having check valve  
A tube coupling device includes a coupling member having an upper peripheral casing formed by a peripheral flange and a peripheral wall, a number of openings formed in the peripheral flange and...
8056156 Vacuum relief unit and method for a pool  
A vacuum relief unit and method for venting air into a pool pumping system when a pressure level within the system drops below a first pressure level limit. The unit includes a closed air chamber,...
7971598 Valve in-line backflow control  
A valving assembly, comprises elongated tubular body, a first annular diaphragm in the body, and a first annular seat in the body engaged by the first diaphragm when pressurized fluid flow passes...
7934515 Backflow bonnet and poppet  
A prior art backflow bonnet and poppet is replaced by a functionally equivalent new bonnet and poppet. The new bonnet and poppet reduces risk of freeze damage with about a 50% greater strength...
7886765 Living-hinge air vent valve  
An application for a living-hinge air vent valve connectable to a sewer conduit includes a base and a cover sealed to the base forming a cavity between the cover and the base. A fluid inlet shaft...
7802586 Vacuum breaker  
A vacuum breaker that includes a substantially cylindrical tubular body having a first end and a second end, wherein the first end has a rim extending away from the body and a ledge extending...
7537020 Vacuum breaking device  
A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed...
7527305 Hose connector with adjustable ambient air inlets  
A hose connector with adjustable ambient air inlets includes a conduit section having a plurality of spaced-apart holes covered by an adjustable outer ring having a similar pattern of spaced-apart...
7427037 Anti-clogging showerhead device  
A showerhead facilitating draining of water retained following shut-off. The showerhead includes a housing swivelably fitted on a ball-adapter which in turn includes an integral threaded segment...
7032618 Plumbing fixture block  
The invention proposes a plumbing fixture block, which has seatings for a mixing device and a shut-off valve. Furthermore, the plumbing fixture block has seatings to accommodate at least one...
6481530 Engine pre-lubrication system  
To be used with an internal combustion engine having a crank case wherein engine oil is contained, and an engine internal oil pressure system structured to distribute lubricating oil to moving and...
6439939 Siphon inhibiting device for a marine cooling system  
A siphon inhibiting valve comprises first and second portions of a housing structure and a buoyant member disposed within the housing structure for movement along a first axis between an inlet...
6317905 Spout with vacuum breaker protection  
Disclosed herein is a plumbing spout that has back flow protection. The spout positions a check valve vacuum breaker underneath the pull up knob in a plug assembly. The spout provides back flow...
6125875 Pullout faucet value body with integral vacuum breaker hub  
A faucet includes a valve body having inlet conduits and an outlet. There is a valve control element within the valve body to control flow from the inlet conduits to the outlet. A vacuum breaker...
5947784 Apparatus for producing toroidal bubbles and method  
A device that produces toroidal bubbles of gaseous fluid when operated in immersed relation to a body of liquid fluid. A first embodiment is operated by a person who blows into a first end of the...
5839464 Cartridge valve with vacuum breaker  
A cartridge valve 116 includes a fixed disk 80 and a movable disk 118 mounted in a housing 66. A lever 46 extends through a major opening 72 axially located at one end of the valve 116. The lever...
5803112 Reflux valve means  
A reflux valve means for a fluid conduit (30) having a fluid outflow end, wherein the valve means includes a vacuum valve (10) intended for connection to a conduit branch (18) preferably to a top...
5564457 Vacuum breaker valve with CIP capability  
A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber,...
5533546 Assembly for prevention of backflow in valves  
A valve assembly which is suitable for backflow prevention in a stop cock having an inlet, a seat and an outlet. The valve assembly may be attachable to the stop cock and includes a valve body...
5487406 Drain control valve and manifold system  
A valve for permitting fluid flow in a first desired direction and preventing fluid flow in a reverse direction. The valve includes a valve body having a rigid wall defining inlet and outlet...
5372158 Valve with backflow preventer  
A valve with a backflow preventer has a valve housing with a fluid inlet, a main flow channel, and a fluid outlet formed therein. A valve element is provided in the valve housing to selectively...
5360029 Vacuum breaker  
A vacuum breaker is provided comprising a body member having an inlet and an outlet defined therein. A core insert member may be threadedly engaged within the body member having a chamber defined...
5329957 Fluid flow system vacuum breaker  
A fluid flow system (20) includes fluid inlet conduits for supplying fluid through a fluid flow path (86) as formed by a manifold (74) and a module (76). The fluid is directed through fluid flow...
5325885 Anti-siphon device for sanitary appliance  
A backflow preventing device located downstream of a water control member of a sanitary fitting comprises a casing defining a cavity which communicates with a water feeding pipe and with an air...
5304116 Vaginal cleansing device  
An improved vaginal cleansing device comprising a T-shaped coupling, a first valve, a venturi, a second valve, concentrate reservoir, a solution delivery tube, and an applicator nozzle. The...
5285808 Diverting relief valve backflow  
Apparatus for diverting backflow includes a housing having first and second pressure openings for receiving fluid signals representative of first and second pressures. The housing has a gas inlet...
5240029 Hose-type faucet with backflow preventer  
A backflow preventer used in combination with a valve that normally supplies water under pressure to a feed conduit and with an outlet device having a supply hose to which water is normally...
5199455 Anti-siphon device for drain conduits  
An anti-siphon drain conduit. First and second cylindrical tubular portions with a U-shaped tubular portion interposed therebetween, and communicating with, the first and second cylindrical...
5103856 Anti-siphoning valve assembly  
A faucet with a pull-out spray head includes a mixing valve for combining water from hot and cold supply lines. Water from the mixing valve flows through a check valve assembly having a chamber...
5082017 Anti-siphon ball cock with volume control  
A ball cock for a flush tank having a valve chamber connected with a discharge chamber. A float operated piston valve is mounted in the valve chamber to control water flow to the discharge...
4998554 Food pasteurization system vacuum breaker  
A food pasteurization system includes a vacuum breaker valve having a valve element in an axial passageway normally maintained in a closed, raised position by a coil spring on the top side of the...
4991623 Automatic air valves for ducts  
An automatic air valve for a conduit, through which passes fluids and/or solids, which valve prevents the discharge of contaminated air therefrom into the environment and which further permits the...
4969483 Device against siphon back flow, for hydraulic valves having a cartridge with plane plates for flux control  
A hydraulic faucet intended to house a cartridge containing flux control members shaped as plane plates of hard material, and comprising a valve body and a removable cover, wherein some inlet...
4921258 Adapter seal  
A seal for a fitting adapter for fluid couplings wherein a coupling probe is received within a recess within the other coupling half and the seal prevents the creation of subatmospheric pressures...
4834621 Air throttling valve for submerged pump system  
In a submerged pump system for pumping liquid from a well or vessel the vertical pipe through which the liquid is pumped by a submerged impeller pump is typically fitted at its upper end with an...
4827538 Mixing fixture for flexible-pipe spray head  
A faucet for mixing hot and cold water especially for a wash fixture, wash bowl or the like comprises a faucet housing connectable to hot and cold water supply pipes having a mixing or outlet...
4811753 Recreational vehicle drain vent  
A drain vent apparatus for recreational vehicles may be coupled to the drain vent of a drain line of a vehicle and includes a coupling for a drain hose for the output of the drain vent. The drain...
4805661 Faucet valve with anti-siphon back flow preventer  
A faucet valve 10 includes a ball valve 28 seated in a valve chamber 18. The ball valve 28 has a plurality of apertures 46 circumferentially spaced about the control stem 32 which extends through...
4712574 Vacuum-breaking valve for pressurized fluid lines  
For use in pressurized fluid lines, an anti-siphon and back-flow prevention valve. A conduit is tapped into the line upstream of an outlet terminating in a ball-shaped housing. The housing...
4646775 Vacuum breaker  
A vacuum breaker for connection in the discharge line from a source of liquid. The preferred embodiment comprises an elongated body for connection in the discharge line and opening to atmosphere...
4637080 Air volume control  
Disclosed is an air volume control for use with a flowing water line to control the quantity of air sucked by venturi action into the water line. The air volume control comprises a tubular valve...
4586692 Flushometer valve integrable with a structure  
A flushometer valve integrable with a structure to which it is mounted.
4545398 Venting device  
A venting device for sanitary conduits comprising a first edge 12 and a second edge 10 bounding an air passage 7. One side of a valve 8 of flexible material is retained on the upper side of first...
4508136 Anti-syphon flow control valve  
A liquid flow control valve having a valve seat and a valve plug for engaging said valve seat, said plug being connected to a pressure responsive device, such as a diaphragm, for movement...
4424058 Drainage control method and apparatus  
A drainage control valve apparatus utilizes a pressure relief valve for opening upon a predetermined fluid pressure being applied thereto and a liquid column is used for holding the pressure...

Matches 1 - 50 out of 96 1 2 >