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8915265 Double walled tanks with internal containment chambers  
A double-walled above-ground storage tank includes a primary tank and a secondary tank, and an interstitial space; an containment chamber formed by a primary chamber wall and a secondary chamber...
8871086 Valveless siphon decanter and methods of use  
A valveless siphon decanter for processing fluid within a tank having a siphon tube external to the tank, the siphon tube having an output, a boom extending substantially transversely from the...
8820346 Self-actuating drainage device and method of operation  
A self-actuating drainage device for placement on a structure to drain water accumulated on the structure includes a collection funnel having a bottom with a funnel hole extending therethrough, a...
8763625 Siphon pump technology and apparatuses  
Apparatuses to enable single-point valve control of siphons, siphon pumps, metering siphon pumps, and turbine siphon pumps include terminal anti-backflow valves, a system flow control valve, a...
8740576 Pumping system for pumping liquid from a lower level to an operatively higher level  
A pumping system and a method for pumping liquid from a lower level to an operatively higher level are disclosed. The pumping system includes a pumping device, a bent delivery conduit, a single...
8739821 Fuel tank  
A fuel introduction member is connected to an open end of a siphon tube which constitutes a part of a fuel tank. The fuel introduction member is provided with an opening through which a fuel is...
8544492 Vacuum activated power tower  
The present invention is a modular tower structure comprising a common up-flow column topped with a covered header to which multiple independent down-flow and scavenger columns are attached. It...
8443828 Siphon weir valve for high flow municipal water treatment systems  
A device allows a liquid to flow between two open structures with different liquid surface elevations separated by a wall. The device has a conduit with an inlet on one side of the wall and an...
8418718 Double walled tanks with internal containment chambers  
A double-walled above-ground storage tank includes a primary tank and a secondary tank, and an interstitial space; an containment chamber formed by a primary chamber wall and a secondary chamber...
8246818 Syphon filtration system  
A syphon filtration system is a low head, small foot print, long operating cycle, gravity filtration system for treatment of water and wastewater, with one-stage or two-stage filtration in one...
8132534 Overflow device for water tank  
An aquarium overflow device is capable of preventing inadvertent supply of water in an aquarium from being supplied to an outside during, e.g., power failure. An aquarium overflow device is for...
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...
8104499 Precision siphon operated septic field dosing system with filtration and backwash  
A septic field dosing system is described which utilizes a self starting true siphon to deliver a dose of septic tank effluent into a conventional septic field. The precision siphon unit not only...
8066027 Vacuum activated closed loop system  
The Present Invention enables energy to be extracted from the atmosphere by creating a vacuum into which atmospheric air is drawn through a vacuum operated motor. The motor operates on the...
7857967 Sludge treatment system for dam  
The sludge treatment system is comprised of a dam passage penetrated through a dam (D); an induction pipe (11) for discharging a sediment retained by the dam (D) and having an inlet (11a) toward...
7810452 Basin capable of containing aquatic animals, especially experimental animals, and relating housing system  
A basin including: a front housing compartment (1) in which there is a lower point (3) for collecting the organic material to be removed; an equipment compartment (4) at the back of the basin,...
7351330 Iron and hydrogen sulfide removal apparatus  
An automated system controls operation of a filtration system. The filtration system includes an aeration tank and a filtration tank. The system includes a pressure sensor, an air pump, a bleed...
7059341 Discharge ducts for pumping water from a supply reservoir to a delivery reservoir  
A discharge duct for discharging pump water from a supply reservoir defined by a first minimum water level and a supply reservoir floor to an operatively higher located delivery reservoir defined...
6945267 Self-restarting pool cover siphon  
A self-restarting pool cover siphon includes a weighted housing placed on a pool cover having water thereon, the housing having a hollow interior and openings through which water can enter, a tube...
6634376 Back flow preventing eductor  
An anti-backflow eductor has a resilient sealing sleeve disposed on a water port defining blind end tube. The sleeve has a thinner wall cross section at a discharge end to enhance sealing while...
6256801 Siphon assemblies  
A siphon assembly for a flushing cistern, said assembly including an inverted generally U shaped duct having an up leg and a down leg the up leg being provided with an enlarged chamber having a...
6142705 Pond management system  
A method of managing ponds that have standpipe overflows, such method including installing of a capped sleeve over the standpipe with the horizontal area between the wall of the sleeve and the...
6056886 Water level and flow control device and skimmer box provided with this device  
A system for controlling a flow of water out of a container in a manner to prevent the generation of noise as an incident to the outflow and to permit adjustment of the water level in the...
5979485 Fuel tank level equalizer system  
A fuel delivery system for vehicles with more than one fuel tank or a single tank with separate sections under at least some fuel level conditions. The system has an electric fuel pump disposed in...
5964447 Water valve assembly having attachment mechanism which prevents a fluid conduit from becoming detached from a valve body  
A water valve assembly includes a valve body having defined therein (1) a first channel, and (2) a first threaded portion. The water valve assembly also includes a first stop attached to the valve...
5881753 Passive fluid level controller  
A fluid level controller which replaces fluid lost from a container thus maintaining the fluid level in the container. It is comprised of the following major pieces: an airtight reservoir (10)...
5475879 Swimming pool overflow protector  
A system for overflow protection for swimming pools and tanks that conserves water by taking excess water from the bottom of the tank including a weighted hose directed near the bottom of the tank...
5403521 Blow system and a method of use therefor in controlling the quality of recycle cooling water in a cooling tower  
A water quality control method for recycling cooling water in a cooling tower equipped with a blow system and water treatment agent introduction means. Water is made up in response to the...
5358000 Siphon pump having a metering chamber  
A siphon pump system for pumping water from a water source to a supply destination. The system includes a holding canister through which the water flows, and a first timing bucket associated with...
5274855 Siphon flushing mechanism and method  
A siphon flush mechanism is provided for a conventional commode water storage tank in which a siphon metering valve is utilized to control the level of water contained within the flush mechanism....
5151174 Installation for the disinfection of clarified sewage with UV apparatus built into siphons  
The discharge conduit by which clarified sewage is withdrawn from a sewage clarification plant comprises a headwater conduit section and a low-water conduit section, the latter being separated...
5016667 Device for a dish-washer  
A device for a dishwasher comprising a tub (10) in which liquid is circulated for cleaning the dishes. The dishwasher has a drain pump (14) with an inlet which is placed adjacent the bottom of the...
4911891 Sample monitoring instrument for on-line application  
An apparatus and method for on-line monitoring of a characteristic of a process liquid stream includes a cell for isolating a precise volume of the liquid. There are provided means for...
4861465 Anti-reverse siphoning water circulating system for aquariums  
Apparatus for a recirculating aquarium water supply system having a tank with a discharge control device for maintaining the level of the water in the tank and incorporating an overflow receptacle...
4834132 Fuel transfer apparatus  
A fuel supply system including a fuel tank, a feed conduit through which fuel is pumped from the fuel tank, and a return conduit through which excess fuel is returned to the fuel tank. The fuel...
4810130 Siphon weir with a ventilating mechanism  
A siphon weir having a downwardly directed inlet port and a lower lying outlet port (18) on the downstream side connected with it by means of an approximately S-shaped siphon line (13) contains a...
4425932 Siphon ladling apparatus  
A device for transfer of critical liquids, such as molten metals, has a body member including a short leg inlet liquid conveying passage submergeable in a large storage vessel containing the...
4364228 Hydraulic turbine system with siphon action  
The hydraulic turbine system includes: an electric generator; rotary turbine blades; a hydraulic pump for operation by rotation of the turbine blades; a hydraulic motor for driving the generator;...
4361522 Automatic flushing and draining apparatus for evaporative coolers  
Apparatus for periodically draining, flushing and replacing the operational water supply in an evaporative cooler during operation thereof and for completely draining the cooler when its operation...
4289713 Automatic flushing and draining reservoir apparatus for evaporative coolers  
Apparatus for automatically draining the water from an evaporative cooler when operation thereof is terminated and for periodically draining, flushing and replacing the water during operation of...
4181142 Siphon apparatus  
A siphon apparatus is provided which includes a liquid storage reservoir in which is mounted a conchoidial-shaped siphon having an inlet end and an outlet end. A trigger device is provided and is...
4143674 Valve for continuously and automatically supplying furnaces with molten metal  
A valve for use in an apparatus for supplying molten metal by means of a siphon to a furnace. A valve formed by a tube provided with two flanges is placed at the upper part of the siphon, this...
3997049 Enclosure for hard and soft contact lenses  
An improved container for storing and conditioning both hard and soft contact lenses. A pair of lens-retaining baskets are pivotally mounted within the cap of a fluid-tight container. With the cap...
3921859 Siphon for molten metals with suction actuator  
A liquid transferring device, particularly for transferring molten aluminum from a first container at a higher elevation to a second container at a lower elevation, includes a siphon-shaped pipe...
3756265 FLOATING ROOF DRAIN  
A self-actuating drain for a floating roof storage tank, adapted to drain excess liquid from above a sunken floating roof to below the floating roof. The siphon drain comprises a generally...
3701458 A METHOD OF REMOVING LIQUID FROM A SUNKEN FLOATING ROOF OF A LIQUID STORAGE TANK  
A method for removing liquid from a sunken floating roof of a liquid storage tank. The method comprises the steps of: withdrawing liquid from below the sunken floating roof; and siphoning liquid...
3507030 ASSEMBLY MACHINE CONTAINING VACUUM BREAKER VALVE  
3407621 Spray type icemaker with overflow drain  
3374726 Beverage fermentation and storage tank of a large capacity  
3374801 Siphon breaking apparatus for milkhandling systems and the like  

Matches 1 - 50 out of 56 1 2 >