Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 of the gate. A second pressure sensor for measuring the pressure of t... | 12/09/2008 |
| 7429147 | Anti-flooding device for the exploitation of water energy An anti-flooding device with possible displacement of the waters for the exploitation of water energy includes a double closing system with an outer or inner cylindrical element with automatic, semi-automatic or manual operation, a pipe-line provided with an opening... | 09/30/2008 |
| 7349831 | River assessment, monitoring and design system A method, apparatus and program product to facilitate the analysis and monitoring of stream and river conditions, with emphasis on Natural River Design. To this end, the invention uses and processes channel data to provide analysis and monitoring information and opt... | 03/25/2008 |
| 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 |
| 7255128 | System and method for detecting flow in a mass flow controller Systems and methods are provided for detecting flow in a mass flow controller (MFC). The position of a gate in the MFC is sensed or otherwise determined to monitor flow through the MFC and to immediately or nearly immediately detect a flow failure. In one embodiment... | 08/14/2007 |
| 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 |
| 7152001 | Fluid regulation The invention discloses a method of predicting the fluid level at a predetermined location in a fluid flow network (10) having at least one regulator (16, 18) to control the flow of fluid along fluid flow network (10). The method includes the st... | 12/19/2006 |
| 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 |
| 7067935 | Method for regulating the level of a dam installation and dam installation implementing the method Method of regulating a water level of a dam installation having a plurality of turbine generator units arranged to generate electrical power, wherein at least some of the plurality of turbine generator units are arranged at least one of one above another and one bes... | 06/27/2006 |
| 6971398 | Hydrodynamic-force-responsive baffle for liquid treatment basin A baffle controls the normal process flow of liquid in basins of liquid treatment equipment, but releases uncontrolled flow of the liquid caused by events such as seismic events. Methods provide an unbent blank for making such baffle with a hinge member to facilitat... | 12/06/2005 |
| 6884001 | Farm pond sediment diverter An apparatus is disclosed for controlling water flow into a reservoir such as a farm pond (100) to prevent silting of the pond due to sediment deposits during heavy rains. A gate assembly (10) has a reservoir gate (12) to let water into the pond... | 04/26/2005 |
| 6692187 | Flood gate for door A flood gate is provided that includes a frame defining a fluid passageway, a door pivotally mounted in the frame for movement between a plurality of open positions to permit flow of fluid therethrough, and at least one latching mechanism for holding the ... | 02/17/2004 |
| 6623210 | Guidance method and guidance system of flood water A guidance system for protecting a specific zone as a safety zone against flood water while protecting landscapes near the specific zone from deteriorization. According to the described flood water guidance system, a guidance plate (5, 5, . . . ) is posit... | 09/23/2003 |
| 6609854 | Structure and method for detecting an inflated state of a flexible membrane dam A structure for detecting an inflated state of a dam formed by a flexible membrane disposed in a conduit, with the detection unaffected by pressure resulting from fluid flow through the conduit when the flexible membrane is not completely inflated. The st... | 08/26/2003 |
| 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 |
| 6485231 | Foundation flood gate with ventilation A flood gate is provided which includes a frame defining a fluid passageway therethrough, a door pivotally mounted in the frame for movement between a plurality of open positions to permit flow of fluid therethrough, and at least one latching mechanism fo... | 11/26/2002 |
| 6427718 | Automated farm turnout An automated turnout system is provided for controlling water flow through a turnout gate. The system determines the water flow parameters of the open channel and adjusts the size of the gate opening accordingly. The turnout system includes a flow measure... | 08/06/2002 |
| 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 |
| 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 |
| 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 |
| 6210072 | Method and apparatus for erosion protecting a coast The present invention is a device and a method for protecting part of a coastline against erosion. The method uses the device as an elongated fin with a longitudinal axis lying generally in a horizontal plane. The fin is supported by a suspension arrangem... | 04/03/2001 |
| 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 |
| 5984575 | Flood flow modulator A flood flow modulator system including a dam positioned across a watercourse so as to restrict water flow therein and thereby create a retained water body; the dam having an upstream surface facing the water body, an oppositely directed downstream surfac... | 11/16/1999 |
| 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 |
| 5800077 | Method and apparatus for monitoring a hydroelectric facility trash rack A system is provided for monitoring fouling of a trash rack for a hydroelectric power generation facility. The trash rack monitoring system includes sensors for detecting head upstream and downstream of a trash rack as well as the flow through an inlet co... | 09/01/1998 |
| 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 of the prop, a ramp disposed downstream of the block on a ba... | 06/02/1998 |
| 5613803 | Method and apparatus for the automated control of canals Method and apparatus for the automated control of canals. The present invention achieves and maintains steady state operation in each pool of a canal despite changing demands. Each pool in the canal is controlled separately by its own pool controller. The... | 03/25/1997 |
| 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 element mounted for swing movement about that axis and able... | 11/26/1996 |
| 5516230 | Gate for controlling upstream water level A self-actuating water control gate comprised of a stepped radial gate face 14 mounted on hinge arms 19 extending downstream to a pivot shaft 12 and to a counterweight 11 and support system. The gate face 10 includes a hydraulic thrust surface 15, and rad... | 05/14/1996 |
| 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 water, comprising a gate release door in initial closed posi... | 12/05/1995 |
| 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 chamber to fill the chamber when it is desired that a barrier... | 10/24/1995 |
| 5372456 | Irrigation control structure An irrigation water control gate for controlling the amount of water delied downstream. The gate includes a frame and a pair of panels in the frame hingedly connected at adjoining horizontal side edges and forming a wedge shape extending upstream. The up... | 12/13/1994 |
| 5342144 | Stormwater control system Stormwater from a watershed is collected in a stormwater collection basin for water quality improvement primarily by settling of suspended solids, and also for control of the flow rate through downstream flow channels. The outflow rate from the basin is g... | 08/30/1994 |
| 5160216 | Drainage distribution amount determining method and drainage system In a drainage system wherein drain water is collected from a drainage path including a small river, guided to a plurality of drainage pump facilities, and drained into a destination river, a drainage distribution amount is determined for each of the plura... | 11/03/1992 |
| 5139364 | Automatic swing fishway apparatus An automatic swing fishway apparatus for allowing fish to swim upstream can be installed in dams or weirs to accommodate fluctuations in upstream water levels. The apparatus includes a hydraulic chamber in a bottom of a waterway which bypasses a dam, and ... | 08/18/1992 |
| 5092707 | Crest gate operating system Several panels are pivotably mounted on top of a dam spillway for movement by air pressure provided through bladders downstream of these panels. The bladders are made from an elastomeric sheet that is folded so that edge portions overlap one another. A cl... | 03/03/1992 |
| 5067850 | Apparatus for detection and containment of pollutants in a drainage system A storm drainage system including a gate which controls the release of the contents of the drainage system. The gate is motor activated which is responsive to manual activation or hydrocarbon sensor activation. The drainage system includes an overload sen... | 11/26/1991 |
| 5035535 | Device for regulating the flow in a drainage siphon tube A device for regulating the flow in a drainage siphon tube, includes a rigid tube connected to the outlet end of the siphon tube. The rigid tube is placed on a brace such that it can oscillate around a horizontal axis by means of a counter-weight. Pivotin... | 07/30/1991 |
