|
Match
|
Document |
Document Title |
|
|
7461999 |
Flow measurement and control
A method and device for measuring flow rate of a liquid through a gate in a channel. The device having a first pressure sensor for measuring the pressure of the liquid at a first position upstream...
|
|
|
7422392 |
Water control structure
The invention relates to improved pneumatically operated spillway gate systems and methods of constructing and operating the same. Methods of installation without the requirement for coffer dams...
|
|
|
7410325 |
Modular guide frame for a gate
A modular guide frame for use with gates of various thicknesses is assembled from separate side portions. The side portions are provided with hubs, having facets of different widths. The hubs may...
|
|
|
7229234 |
Method for preventing and discharging flood
This invention discloses a simple and convenient method of floods control and with great discharge capacity. This invention is a method of speeding up the river floods water discharge ability into...
|
|
|
7114878 |
Irrigation gate system
An irrigation gate system installed in a channel (such as a ditch or canal) for controlling the flow of water through the channel maintaining a desired level of water upstream from the irrigation...
|
|
|
7114879 |
Water control gate and actuator therefore
The invention relates to improved water control gates and related inflatable actuators, and associated sealing, manufacture and operation apparatus and methods. Advancements in technologies related...
|
|
|
7037039 |
Method and apparatus for an improved lock and dam assembly
A method of assembling a lock and dam system is disclosed to minimize the rate of structural fatigue associated with closing of the lock and dam system. The lock and dam system includes one or more...
|
|
|
7033112 |
Water-retaining structure
Device for retaining water comprising a foundation, a retaining wall movably attached to the foundation and a shore movably, particularly hingingly, attached to the foundation, in which the shore...
|
|
|
6772789 |
Flow leveling device
A flow leveling device for use in a liquid distribution system that can be attached to the end of a conduit The device has an eccentrically placed opening on the face of the device whose vertical...
|
|
|
6755591 |
Liquid flow controller device
The device is composed of two, horizontally aligned component parts, namely, fixed spinway subtending an angle of 60° and a pivotal wedged-shaped module residing at a specific and constant...
|
|
|
6732479 |
Movable defensive apparatus
The present invention provides a movable defensive apparatus in which a dedicated source of power for driving a relatively heavy defensive wall and an installation space are not required, whereby...
|
|
|
6719491 |
Fluid level control system
A fluid level control system, particularly useful for controlling the level of water flowing in an open channel. The fluid level control system includes a gate having a flap portion interconnected...
|
|
|
6634829 |
Fitting structural body, fitting and flexible sheet inflatable gate
A fitting structural body, fittings included in the structural body, and a flexible sheet inflatable gate installed inside a culvert using the structural body are disclosed. In the fitting...
|
|
|
6582156 |
Level control device for wetlands wastewater treatment facilities
A level control device for constructed wetlands which is suitable for use in cold climates. The device comprises an outer casing with an inner diameter at least about 4 inches and less than about...
|
|
|
6554535 |
System for protecting coastal land from rise of surface of the sea
A system for protecting a coastal land from a rise of the surface of the sea, wherein offshore dams and caissons containing pump-turbines are provided in such a manner that the caissons and dams...
|
|
|
6540437 |
End dam assembly for drainage channel
An end dam for a generally U-shaped moisture management channel comprising: a vertical wall having a front and a rear surface and a base edge; a first flange extending at a right angle from the...
|
|
|
6490506 |
Method and apparatus for monitoring hydroelectric facility maintenance and environmental costs
A system for monitoring maintenance information in a hydroelectric power generation facility comprises sensors coupled to a controller. The sensors detect actual levels of operating parameters for...
|
|
|
6478954 |
Debris collecting apparatus
A floating debris removal system has a bypass or overflow grate that is hinged at the top and positioned to swing downstream under certain conditions. The grate is fastened with a shear ring that...
|
|
|
6467998 |
Self-regulating weirs and fishways
A self-regulating tilting weir comprises a tiltable weir gate over which the water flows, the weir gate being hinged at its lower edge ( 3 ) to the base of a support frame ( 1 ) and counterbalanced...
|
|
|
6425707 |
Flood protection device for closing opening in wall against floodwater
An automatically self-erecting barrier which prevents ingress of flood water into a building. A float is provided which when inactive may serve as a doorstep, and which when active rises with the...
|
|
|
6409427 |
Soil erosion collector
A soil erosion collector that fits in a standard two foot drainage ditch. It is preferably formed of pre-cast reinforced concrete. Its purpose is to separate eroded soil in storm run off. The soil...
|
|
|
6354762 |
Mounting member and flexible membrane dam
A flexible membrane dam is provided which can be installed easily and in which a concentration of stress at a time the dam is made to stand is less than in conventional structures. Mounting...
|
|
|
6338594 |
Movable barrier wall
A movable barrier wall system includes a housing assembly 12 that has an interior chamber 32. A barrier member 14 is made of a buoyant material having a selected density. The barrier member ...
|
|
|
6287051 |
Fixable seal sluice gate
A fixable-seal sluice gate has a valve vise (18, 19, 25, 26, 31, 32) that forces a sluice-gate valve uniformly and tightly in sealing-surface contact with a domed seal ring (4) that is fixable...
|
|
|
6287050 |
Foundation flood gate with ventilation
A flood gate for use in a foundation crawl space and the like comprises a frame having side walls defining a fluid passageway therethrough, a door pivotally mounted in the frame for bidirectional...
|
|
|
6283673 |
Method of protecting coastal land from rise of surface of the sea
A system for protecting a coastal land from a rise of the surface of the sea, wherein offshore dams and caissons containing pump-turbines are provided in such a manner that the caissons and dams...
|
|
|
6273639 |
Method and apparatus for facilitating migration of fish past dams and other barriers in waterways
Method and apparatus for fish migration past dams and other water barriers. A preferred embodiment 100 comprises a conduit 101 passing from downstream side 22 of water barrier 10 to upstream side...
|
|
|
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...
|
|
|
6196762 |
Non-clogging debris and sediment removal facility
A non-clogging facility (10) collects debris and sediment carried by water flowing in an open channel (DC) upstream of an inlet (I) to a conduit. A first section (12) provides a transition from the...
|
|
|
6196764 |
Automatic wicket for a hydraulic structure
|
|
|
6171023 |
Water control gate
A water control gate assembly comprises a self-actuating top-hung gate for controlling the flow of water in a waterway. The gate is pivotably mounted on a pair of piers located above an upstream of...
|
|
|
6164869 |
Device for influencing a flow of waste water
A method of influencing a flow of waste water in the waste water system of a housing development, in particular for reducing peak flows in these waste water systems. Reservoirs in the waste water...
|
|
|
6019898 |
Weir assembly with movable baffle member
A weir assembly is mountable in a wastewater treatment tank to control liquid flow from a first liquid receptacle into a second liquid receptacle. The weir assembly includes a weir member having an...
|
|
|
5944445 |
Device and method for relieving flooding from enclosed space
A flood gate for use in a foundation crawl space and the like comprises a frame having side walls defining a fluid passageway therethrough, a door pivotally mounted in the frame for bidirectional...
|
|
|
5895579 |
Adjustable inlet for waste water treatment apparatus
A method and apparatus for controlling the fluid flow through a waste fluid inlet channel, such as for a sewage treatment plant, includes a weir that may be inserted into the channel. The weir may...
|
|
|
5788410 |
Mobile underflow spill recovery unit
A mobile underflow spill recovery unit provides a barrier to pollutants floating in runoff water which otherwise finds its way into storm drains and streams. The mobile underflow spill recovery...
|
|
|
5758991 |
Underground dam
An underground dam is formed of a water flow preventing wall for blocking a water permeable layer of soil to form a storing portion for storing underground water on an upper stream side relative to...
|
|
|
5758989 |
Linear action hurter
A hurter for use in conjunction with a wicket dam prop at a downstream side f a wicket, the hurter comprising a block having therein on an upper surface thereof a bearing for receiving a free end...
|
|
|
5709502 |
Connection system for reinforced composite structures
An inflatable rubber bladder is described which has one or more edge portions which are wedge-shaped. The wedges can be metal or rubber, for example, which are bonded on opposite surfaces to...
|
|
|
5678956 |
Navigational bypass, gate and pump device for use in water
A pump device includes a motor, a pump body having a first body portion and a second body portion, a shaft connected to the motor and extending into the pump body and an impeller mounted on the...
|
|
|
5672028 |
Flood control system
A flood water control system for reducing flooding formed in conjunction with multi-lane highways separated by medians wherein large holding basins are formed in the medians and flood water flowing...
|
|
|
5642963 |
Spillway gate system
A spillway gate system for use as a navigation dam in which individual spillway gates may be serviced. The spillway gate system comprising a spillway including abutments at opposite ends thereof;...
|
|
|
5634742 |
Bulkhead for and method for dry isolation of dam gates
A bulkhead for dry isolation of dam gates, the bulkhead comprising a plurty of tubular log members bound together to form a platform assembly adapted to float in a horizontal attitude on a water...
|
|
|
5595457 |
Storm drainage underflow dam unit
An underflow dam unit provides a barrier to pollutants floating in runoff water which otherwise finds its way into storm drains and streams. The underflow dam unit includes a dam disposed between...
|
|
|
5577863 |
Self-Actuating sluice gate
A sluice gate for controlling the discharge of water through a gateway in a flood irrigation system mounted with stub axles defining a hinge axis upstream of the gateway, and comprising a closure...
|
|
|
5472293 |
Multipurpose automatic gate control
A device with a gate release door and other water release openings to attach to the mouth of outlet pipes of flood control structures and similar reservoirs to control the storage and release of...
|
|
|
5460462 |
Liquid and flood water barrier wall forming-apparatus
A liquid barrier system includes a structure forming a below ground level float-receiving chamber. An inlet passageway for round water or other liquid directs the liquid into the bottom of said...
|
|
|
5388928 |
Flexible membraneous weir
In a flexible membraneous weir 1 having a bag made of a flexible membrane 2 such as a rubber membrane or the like laid on a river bed and slope surfaces of the both river sides across the river and...
|
|
|
5330289 |
Serpent sediment-sluicing system
A method and apparatus for removing sedimented particles from a fluid stream in a settlement basin. In the bottom of the basis there is a sluice which may include a sluice gate. The basin includes...
|
|
|
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...
|