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Match Document Document Title
7473373 Stormwater pollution management apparatus and method of using same  
A stormwater pollution management apparatus for a stormwater basin including a water intake assembly having a first end and a second end generally aligned along an axis and includes a hollow...
7344644 Method and system for purifying water  
The disclosed methods and systems of water purification relate to burying an underdrain in situ under a filter media bed such as a particulate material bed, within a natural body of water. A pump...
7273545 Water intake open cavity drum for ornamental and fish ponds  
A water intake open cavity drum for ponds, which includes a drum body with a lower portion defining a cavity and an upper portion defining a cavity in fluid communication with the lower portion...
7267763 Water intake screen with circular filter panel  
A water intake screen with a filter panel includes a frame adapted to be connected to the water intake and a circular filter panel disposed transversely in an opening of the frame, to which it is...
7208082 Drainage water filter for erosion control  
A storm drain filter including a frame holding a filter assembly to filter incoming drainage water and thereby prevent sediment from entering the storm drain's inlet. The frame can be easily...
7201842 Screened gravity-fed funnel  
A screened gravity-fed water funnel or water funnel kit may be characterized in one aspect as including a substantially conically-shaped water-permeable mesh screen, a funnel releasably mounted or...
7125200 Flow control system for a holding pond  
An apparatus for controlling the fluid flow rate from a drainage pond that is common in developed sites where the drainage pond is adapted to supply a degree of fluid capacitance so the runoff does...
7052210 Inlet collar for highway culverts  
A highway culvert inlet collar is disclosed having a plate member and a pipe adapter. The plate member has a front face, a rear face, a peripheral side edge intermediate the front face and the rear...
6964541 Fish safe screened water diversion apparatus  
An apparatus for separating animated objects such as fish or other objects between a non-diverted and diverted fluid stream. Embodiments may include a screen or similar selective pass through...
6955759 Porous dike intake structure for fish diversion  
A structure for diverting fish away from water intakes comprises a porous dike having a bottom portion, a central portion, and a top portion, the top portion preferably being submerged a short...
6843924 Containment/exclusion barrier system with infuser adaptation to water intake system  
A water filtering system includes: a water intake system including a plurality of inlets in fluid communication with a water intake pump; and a containment/exclusion boom including (i) a support...
6821053 Water flow responsive barrier for gutters and storm drains with rotary actuator  
A barrier to exclude trash and debris from storm drains wich includes a pivoted gate moved by a vane-type rotor. The rotor is actuated to open an entry to the storm drain by flow of water at a rate...
6790345 Underwater filtration operator  
An underwater filtration operator which can be suspended in a river, lake, pond or other water body to filter water from the water body. The underwater filtration operator may be electrically...
6780311 Apparatus for supporting a water filter intake  
Apparatus for supporting a water filter inlet in a body of water at a level between the bottom and the surface thereof and in such position as to enable water to enter a conduit via the filter...
6743367 Boom curtain with expandable pleated panels, containment boom containing the same, and use thereof  
A boom curtain includes: an upper portion that is adapted and configured for connection to a support system and a main portion formed of a sheet of flexible material that allows the flow of water...
6726402 Roadway surface grating with trash detention during drier conditions  
A roadway surface drain provided with a grating to detain trash but pass water, a hinged closure plate beneath the grating to close the opening in which the grating is fitted, and linkage to tilt...
6712959 Submerged intake filter assembly  
A submerged intake filter assembly comprising a cylindrical screen, a first end plate, a second end plate, a primary flow modifier pipe, and a plurality of secondary flow modifier pipes. The...
6682651 Barrel type fish and/or particulate screen device  
A barrel type fish and/or particulate screen includes mesh stretched over a supporting cylindrical shell having closed ends. The closed interior opens to a fluid withdrawal conduit, which is...
6595721 Mitred grate and drain cover  
A mitred grate and drain cover comprises a peripheral edge having an upper and lower surface and a substantially elliptical shape which defines a space, and a plurality of cross pieces within the...
6508933 Self-cleaning shallow water strainer  
A strainer for immersion in liquid, especially shallow water, to prevent debris from entering a pump connected by a suction pipe to the interior of the strainer. The strainer has a cylindrical...
6451204 Ocean power plant inlet screen  
An inlet screen for an ocean thermal power plant has an outer side parallel to the ocean current and a plurality of parallel bars extending at an acute angle to the horizontal, wherein the acute...
6413015 Beaver controlling culvert attachment  
A beaver controlling culvert attachment prevents beavers from disturbing the flow of water through a culvert. An upstream unit includes a vertical pipe having an upper grate, which prevents the...
6354763 Pumping plant  
A pumping pant which is more compact in size and has reduced total costs required for construction work of the pumping plant and associated civil engineering works and has a shorter term of the...
6338595 Storm water control header for culverts  
A storm-water control header for a culvert has a vertical head-wall with a thimble on the downstream side, and an adjustable inlet control device including a weir on the upstream side. The thimble...
6302621 Segment for intake tunnels  
A segment 20 has segment units 22 obtained by dividing a cylindrical body having an appointed length into four sections along the circumferential direction. The segment units 22 are provided with a...
6213684 Telescoping weir  
A telescoping weir for the controlled drainage of contaminated bodies of water, such as confined disposal facilities (CDF), which selectively releases only the relatively clean water while leaving...
6149343 Method and apparatus for controlling zebra mussels and other bivalves using ultraviolet radiation  
A method and apparatus for controlling zebra mussels and other bivalves using UV light from a medium pressure UV lamp which is located in a chamber having therein water in which the bivalves are...
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 wall...
6095719 Process for constructing intake pipe  
6076994 Method and apparatus for providing water from a body of water  
A method and apparatus for providing water from a lake, pond, or other body of water, relatively silt and sediment free. A water inlet is positioned off the bottom of the body of water and is...
5947640 Portable water conveyance assembly  
A portable water conveyance device for diverting the flow of water and particularly, a stream, includes a collapsible tube for receiving the water and conveying the water downstream to a discharge...
5655483 Method and apparatus for controlling zebra and related mussels using ultraviolet radiation  
A method for controlling zebra mussels and other bivalves using UV light at a wavelength of 254 nm. One or more low pressure UV lamps provide an intensity of UV light in the range of about 13,400...
5519609 Biosolids tracking system  
A biosolids tracking system monitors the quantity and quality of biosolids deposited on a plot of land. Global positioning system technology is used to determine the land coordinates of the...
5460123 Electroshock repulsion of waterfowl, aquatic animals, and small mammals  
The present invention comprises apparatus designed to repel, but not injure, warm-blooded aquatic life from a specific aquatic region in an energy-efficient manner. A potential gradient is turned...
5445111 Electrified fish barriers  
A variety of electrified fish barriers are suitable for diverting fish from protected structures, e.g. pump intakes. Most take the form of linear curtain arrays (i.e. arrays of fixedly spaced-apart...
5441368 Anti-fouling apparatus for submerged marine surfaces  
An anti-fouling apparatus and method for retarding the formation of marine plants and animals on marine surfaces submerged in water is disclosed. Telescopically extendable support arm members in...
5427417 Protective cover for use with drain pipes  
A protective and aesthetics-enhancing cover for disposition over the open end of a drain pipe projecting outwardly from a building structure. The protective cover comprises a convexo-concave disk...
5423631 Antifouling structures  
The invention provides an antifouling structure that excels in antifouling performance and durability, dispenses with maintenance work, poses no toxicity problem, and is easily handled. The...
5385428 Water intake fish diversion apparatus  
A fish diversion apparatus uses a plane screen to divert fish for variety of types of water intakes in order to protect fish from injury and death. The apparatus permits selection of a relatively...
5380128 Methods of, coatings and linings for water intake system components and other equipment exposed to a marine environment  
A method and material for the manufacturing or retrofitting of fluid transport systems. The material chosen for the lining, or the pipe itself, will be selected based on physical properties such as...
5308193 Preventative maintenance system for underwater pipes  
An apparatus for dispersing chemicals into an underwater pipe comprising first and second chemical feed pipes, the feed pipes being mounted to an intake pipe forming part of the underwater pipe,...
5294351 Method for controlling zebra mussels in power and water plants  
A method and apparatus for controlling zebra mussels in the inlet cell of a utility power plant by isolating a batch of water in the cell from the water supply of a lake or river and the equipment...
5284402 System for the manufacture and installation of selective intake towers in reservoirs  
The system consists in producing an underwater foundation (1) in the appropriate place, close to the dam (2), in the vertical line of said foundation (1) producing a floating platform (4), with...
5256310 Treatment of fresh water for zebra mussel infestation  
A method whereby a concentrated aqueous solution of chlorine dioxide is injected into offshore water intake facilities for preventing zebra mussel infestation therein is described. The chlorine...
5253954 Alternate intake pipe system to eliminate zebra mussel colonization  
A method and apparatus for eliminating zebra mussel colonizations from fresh water intake pipes for facilities, such as power plants and water treatment plants, are disclosed. One or more small...
5152637 Device for eliminating marine life from water intake covers  
A cover for eliminating marine life from the intake of a water intake positioned beneath the surface of a body of water. The cover is placeable over a water intake and is provided with a plurality...
5113889 Floating intake for transport of liquid from a fixed depth below the surface of a reservoir  
Water is supplied from a preselected depth in a body of water by an intake held at the preselected depth by a stem connected to a float which rides near the surface of the water. The stem is...
5102537 Piping outlet protector  
An elongated, conical cage of spaced-apart rods is disclosed, each rod having a first and secured to the apex of the cone, and a second end terminating in the open of the cone which is formed by a...
5090152 Rodent barrier for pipes  
An arrangement in vertical sewage system pipes for preventing rodents, such as rats, from entering dwellings, living accommodation, office accommodation, and similar building structures. The...
5078542 Apparatus to prevent the entrance of aquatic species into the intake watercourse  
The present invention provides an apparatus to prevent the entrance of aquatic species into the intake watercourse having a U-shaped cross section with a narrow bottom and a wide surface, in which...
Matches 1 - 50 out of 74 1 2 >