Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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 |
| 7614824 | Control gates A control gate is adapted to be installed across a channel for liquids. The control gate has a barrier member capable of vertical or tilting movement and it is either slidingly or pivotally mounted to a frame of the control gate. In one instance, the control gate ha... | 11/10/2009 |
| 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 |
| 7244078 | Control gates A control gate is adapted to be installed across a channel for liquids. The Control gate has a barrier member capable of vertical or tilting movement and it is either slidingly or pivotally mounted to a frame of the control gate. In one instance, the control gate ha... | 07/17/2007 |
| 7121764 | Portable flood barrier section and flood barrier A portable flood barrier section is located on a ground (2) to form a barrier (3) against flooding water (4), comprising an erectable wall (5) which along one of its edges (6) is hinged to a basis. The hinge (7) enables a ro... | 10/17/2006 |
| 7118306 | Stormwater management system Disclosed is a fluid, namely stormwater, management system employing a chamber having an overall substantially constant curve cross-sectional geometry, with an a-semicircular constant curve cross-sectional geometry preferred. This chamber, which preferably follows b... | 10/10/2006 |
| 7083359 | Control gates A control gate is adapted to be installed across a channel for liquids. The Control gate has a barrier member capable of vertical or tilting movement and it is either slidingly or pivotally mounted to a frame of the control gate. In one instance, the control gate ha... | 08/01/2006 |
| 7052209 | Corrugated stormwater chamber An arch shape cross section chamber for receiving and dispersing stormwater when buried beneath the surface of the earth is corrugated and has a cross section geometry which is a continuous curve. Preferably, the curve is a truncated semi-ellipse. A chamber also has... | 05/30/2006 |
| 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 |
| 7008138 | Faceted end cap for leaching chamber A molded thermoplastic domed end cap, for attachment to the end of an arch shape cross section leaching chamber or stormwater chamber, has a multiplicity of buttresses, to provide facet surfaces where pipe connections may be made. The essentially planar surface port... | 03/07/2006 |
| 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 |
| 6623209 | Automatic flood gate A horizontally pivoted structurally rigid buoyant flood gate, in a housing for the gate arranged in front of an opening to a construction, is pivotally floated out of the housing by rising water entering a portal to the housing, and rotates buoyantly upwa... | 09/23/2003 |
| 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 |
| 6390730 | Protective elements, devices comprising said elements and method for protecting a zone against floods and avalanches The invention concerns a protective element (1) comprising a plate (2) with a first longitudinal edge (3) and a second longitudinal edge (4) spaced by a distance (D) from each other, and a pivot bearing (5, 5') arranged substantially parallel to the first... | 05/21/2002 |
| 6270287 | Leaching chamber A leaching chamber for burial in the ground includes biased ends which permit a series of chambers to arch clockwise or counterclockwise or to continue straight to form a leaching field. Each chamber is identical to every other chamber and includes identi... | 08/07/2001 |
| 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 |
| 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 |
| 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; wherein at least one of the abutments includes a cavity the... | 07/01/1997 |
| 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 |
| 5468090 | Bending weir A flap weir with a base wall arranged between two side walls, a flap is fixed and sealed in a non-rotary manner by one longitudinal edge to the base wall, the other longitudinal edge forming an overflow edge. The flap is modified by natural deformation oc... | 11/21/1995 |
| 5433555 | Wicket dam and lifting jack The arrangement includes a downstream jack pivotably mounted about an axis in the floor of the dam and a rotating abutment member carried by the wicket for receiving an end of a jack piston rod. The jack is restored to an end angular orientation when the ... | 07/18/1995 |
| 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 |
| 5178490 | Wicket dam lifting module In one embodiment, the invention is directed to a hydraulic lifting module hich is removable as a unit from a wicket dam. A hydraulic cylinder is pivotably mounted about an axis in the frame and extends outwardly of an apertured cover between extreme posit... | 01/12/1993 |
| 5171102 | Wier construction A weir construction has a weir gate which is tiltable around an axis suspended in a canal section above the bottom thereof, whereby the axis is situated between, and at a distance from, the lower and the upper edge of the weir gate closer to the lower edg... | 12/15/1992 |
| 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 |
| 5125766 | Mechanical automatic tilting weir with selfadjusting lowering of the weir-level during larger discharges The invention concerns a weir with an on a horizontal axis tilting gate (1). The control is automatic and completely mechanical and operates without an external source of energy. The control uses a float/counterweight (4) placed in an enclosure (5) which ... | 06/30/1992 |
| 4963057 | Sluice gate for automatically regulating a level The gate of the present invention regulates the level of a downstream reach (4) by means of a sector-shaped plate (1) carried by a frame (6, 7) that oscillates about a axis (5) and that also carries a float (8) dipping into said reach. Substantially neutr... | 10/16/1990 |
| 4877352 | Method and apparatus for control of an upstream water level A method and apparatus for controlling an upstream water level by adjusting the elevation of a trough assembly of a weir. The weir is a open frame within which is slidably mounted a trough assembly, which may be raised or lowered by means of a tandem scre... | 10/31/1989 |
| 4657434 | River control structures This invention relates to river control structures, of the kind known as upstream tilting gates. A structure in accordance with the invention includes a chamber, (1, 2, 3 and 4) and a tilting platform (5). The upstream end of the platform includes a curve... | 04/14/1987 |
| 4648742 | Tainter gate system Illustrative embodiments of the invention are directed to a technique for raising and lowering large tainter gates. Typically, two groups of lifting apertures are formed in the gate. A lifting mechanism, resiliently mounted on the tainter gate pier, inser... | 03/10/1987 |
| 4576512 | Rotary sluice gate A sluice gate is provided in the form of a vane wheel on a horizontal shaft mounted transversally across the sluice in which it is installed, said vanes being distributed about the shaft and being partially immersible for the purpose of gate operation, sa... | 03/18/1986 |
| 4549837 | Penstock An improved penstock for water-flow control provides the capability of establishing a constant water level within a levee or a dike and is continuously adjustable between a high and a low water level. The penstock has an erosion-resistant flow channel whi... | 10/29/1985 |
| 4505612 | Air admission apparatus for water control gate An apparatus is disclosed for admitting atmospheric air to a bounded volume of air on a downstream side of a crest gate where the bounded volume is defined by the gate and a curtain of water spilling over the gate. The apparatus comprises a plurality of r... | 03/19/1985 |
| 4493587 | System for creating dams with mobile and/or partially mobile water-retaining elements Dams which basically consist of foundation plinths, secured as necessary, which plinths carry mobile and/or partially mobile dam elements, which can be inclined using lifting or lowering devices. The system also includes a control cabin.... | 01/15/1985 |
| 4449851 | Energy-efficient automatic sluice gate for sustaining a fluid level An energy-efficient automatic sluice gate for sustaining a fluid level, separating an upstream pool from a downstream pool in an irrigation system and enabling the level of water in one of the pools to be kept constant at a settable value. A sluice gate s... | 05/22/1984 |
| 4394098 | Radial gate having fine tuning of flow control A radial or taintor gate utilized to control the flow of water to a turbine is provided with an independently movable flap-gate which is operable to control the release of small incremental amounts of water to flow to the turbine as required, such as spee... | 07/19/1983 |
