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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 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 are disclosed. A maintenance service dewatering box and service crane i... | 09/09/2008 |
| 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 be coupled with one another to align the facets and provide different ... | 08/12/2008 |
| 7299822 | Liquid level regulation apparatus Apparatus (10) is defined for regulating the level of liquid on a first side of a barrier (12) with respect to a moveable level of liquid on a second side of the barrier. The apparatus includes an inlet conduit (30) for positioning on the second... | 11/27/2007 |
| 7270498 | Flood vent The flood vent has an elongated box-shaped frame having a top end, a bottom end including a floor, and opposing sidewalls that define a fluid passageway. The frame has an open front and a track formed in the rear of the frame. A door is slidably mounted in the track... | 09/18/2007 |
| 7236804 | Method of supporting voice-band modem-to-modem calls in a wireless communication system A method of supporting voice-band modem-to-modem calls in a wireless communication system is disclosed. In some embodiments, once a modem call is detected, the modem call is terminated. Data in the terminated modem call is then demodulated and relayed from one end o... | 06/26/2007 |
| 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 the sea by means of the natural tidal range. This is done by the foll... | 06/12/2007 |
| 7192217 | Baffle apparatus A baffle apparatus and method for directing fluid flow to reduce damage to an energy dissipating basin that includes an inlet, an outlet, a floor, a sidewall that extends upward from an edge of the floor, and an opposing sidewall that extends upward from an opposing... | 03/20/2007 |
| 7169306 | Versatile pre-thickened aerobic digester system An aerobic digester system in a wastewater treatment plant is made more versatile for different conditions by addition of an equalizer basin or in some embodiments, a bypass pipe. If infeed is received from a sequential batch reactor or from a concentrated septage, ... | 01/30/2007 |
| 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 gate system or for controlling water flow downstream from the irrigati... | 10/03/2006 |
| 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 gates that may include a plurality of girders, plates and associated... | 05/02/2006 |
| 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 and the retaining wall are movably, particularly hingingly, attached t... | 04/25/2006 |
| 6951319 | Flexible hydraulic latch A latching system includes a flexible hydraulic latch male portion, and a receiving rail female portion. The receiving rail female portion receives the hydraulic latch male portion therein. The latching system includes a hydraulic system for providing hydraulic flui... | 10/04/2005 |
| 6931802 | Flood protection barrier A flood protection barrier is disclosed that can be deployed in the event of an immanent flood risk. The barrier comprises a shield having a sealing element and securing means for securing the shield in place to at least partially close an aperture in a wall of a bu... | 08/23/2005 |
| 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 distance parallel to the spillway face. The wedge-module is designed so that... | 06/29/2004 |
| 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 to a lever portion. The flap portion is rotatable about a first pivot... | 04/13/2004 |
| 6663318 | 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 port on interconnected to a lever portion. The flap portion is rotatable about a ... | 12/16/2003 |
| 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 structural body, a first fitting element and a second fitting elem... | 10/21/2003 |
| 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 18 inches with an overflow weir, in fluid communication wit... | 06/24/2003 |
| 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 extend in parallel with the coastline of the land. Partition... | 04/29/2003 |
| 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 rear surface in the area of the vertical wall base edge, inte... | 04/01/2003 |
| 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 a desired operating period at an operating condition. The ... | 12/03/2002 |
| 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 will break when sufficient force is generated against the g... | 11/12/2002 |
| 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 by floats (4) located upstream of the weir gate so that the l... | 10/22/2002 |
| 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 flood water to extend a barrier across a lower part of a do... | 07/30/2002 |
| 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 Erosion Collector is designed to create a ponding effect, ... | 06/25/2002 |
| 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 hardware for the dam is also provided. When a fluid such as air i... | 03/12/2002 |
| 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 14 floats vertically within the chamber 32 when a liquid is prese... | 01/15/2002 |
| 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 rotation between two open positions and a closed position t... | 09/11/2001 |
| 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 conveniently and removably intermediate a sluice-gate plate (3... | 09/11/2001 |
| 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 extend in parallel with the coastline of the land. Partition... | 09/04/2001 |
| 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 21 of the barrier, flow-controlling valves 102 and 105 disp... | 08/14/2001 |
| 6269287 | Method and apparatus for monitoring a hydroelectric facility trash rack and optimizing performance A system and method are provided for monitoring trash rack fouling in a turbine facility. The trash rack monitoring system includes sensors for detecting apparent gross head, flow rate, and effective gross head. The head values are used to select performa... | 07/31/2001 |
| 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 behind a contaminated portion. The weir includes a foundat... | 04/10/2001 |
| 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 open channel into a second section (13) which allows for ... | 03/06/2001 |
| 6196764 | Automatic wicket for a hydraulic structure An automatic flashboard (10) comprises a wall (12) installed on a hydraulic structure (11) so as to be capable of passing from an erect position in which it retains a mass of water to a lowered position in which it allows the water to pass substantially w... | 03/06/2001 |
| 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 the gate for allowing the gate to pivot between a closed ... | 01/09/2001 |
| 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 system are activated in a surface-covering manner in order ... | 12/26/2000 |
| 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 upright wall section mountable between the first liquid r... | 02/01/2000 |
| 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 rotation between two open positions and a closed position t... | 08/31/1999 |
| 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 be one or more plates that serve to reduce the effective c... | 04/20/1999 |
