An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7815397 | Expansion-sealed flood control gate Disclosed is an expansion-sealed flood control gate, comprising a water board, a frame structure, two symmetrical constraint tracks, at least one encased expandable sealing tube, and a plurality of adapters. A U-shaped slot is formed between the two symmetrical cons... | 10/19/2010 |
| 7744310 | Hydrostatically operated variable height bulkhead A self-adjusting barrier incorporates a series of float units restrained between a primary wall, such as a bulkhead, and a secondary wall, such as sheetpile. The secondary wall may be braced to the primary wall. The float units slidably interconnect along adjacent e... | 06/29/2010 |
| 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 |
| 7390141 | Wave-attenuating system A wave-attenuating system. The wave-attenuating system includes a flexible, resilient barrier member that is disposed in a body of water and oriented to interrupt and dissipate the wave action of oncoming waves. The barrier member desirably is constructed from a sub... | 06/24/2008 |
| 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 |
| 7214003 | Segmental floating bulkhead assembly The present invention is directed to the structure of a floatable caisson member and to a segmental floatable bulkhead assembly, formed by assembling a plurality of the floatable caisson members. The present invention also includes a method of fabrication of the flo... | 05/08/2007 |
| 7094002 | Holding apparatus for a dam unit of a dam installation and a method for holding and raising or lowering such a dam unit Holding apparatus for supporting a dam unit, wherein the apparatus includes a frame structure including at least one support member. The at least one support member is arranged to support the dam unit when the dam unit is raised from a lowered position to a holding ... | 08/22/2006 |
| 7011294 | Vacuum valve A vacuum valve comprises a valve housing with a valve opening having a longitudinal axis and a valve seat, a valve plate which is displaceable in a straight line in a displacement direction between an open position in which it releases the valve opening and a closed... | 03/14/2006 |
| 6905287 | Water containment structure with fish ladder A fish ladder for incorporation between ends of a water structure that includes at least a pair of separate sleeves that are each formed from a puncture resistant flexible material, contain a volume of water and may have a closed end or ends for resting on edge port... | 06/14/2005 |
| 6837655 | Submersible canal bypass A submersible canal bypass is used to bypass the flow around a distinct section of an earthen canal for lining. The canal bypass is placed within the canal and uses a plurality of pipelines and a plurality of bulkheads assembled from portable modular sections. The h... | 01/04/2005 |
| 6698766 | Slide gate sealing system A slide gate sealing system including a seal mounting frame disposed between the longitudinal rails and the intermediate and horizontal end frame members of a slide gate frame, a ball seal disposed in the seal mounting frame and having a mounting tail wit... | 03/02/2004 |
| 6543968 | Submersible canal bypass A submersible canal bypass is used to successively bypass the flow around distinct sections of an earthen canal for lining. The canal bypass is placed within the canal and uses a plurality of pipelines and a plurality of bulkheads assembled from portable ... | 04/08/2003 |
| 6514011 | Movable water-protection apparatus The present invention provides a movable water-protection apparatus capable of driving a water barrier plate manually or automatically when needed. The movable water-protection apparatus includes a water barrier plate (2, 50) for shutting out water, such ... | 02/04/2003 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6176493 | Slide gate and seal therefor A novel side seal assembly for a slide gate is provided that essentially comprises a seal member having first, second and third mutually spaced sections formed integral with a base section, the first and second sections defining a slide-receiving channel ... | 01/23/2001 |
| 6132139 | Water level regulating device for paddy field A paddy field water level regulating device 6 installed between a water pipe buried along a farm road 43 and a farming plot 42, the device consisting of a cylindrical feed and drain basin 60 with a closed bottom, having a farming plot feed and drain port ... | 10/17/2000 |
| 5967697 | Flood control gate safety device A flood gate structure incorporating a safety device thereon to prevent harm through crushing or trapping of animals, such as manatees by the flood gate when passing into its closed position. An object sensor, along with an override sensor assembly, are p... | 10/19/1999 |
| 5725326 | Movable dam The invention relates to a movable dam for a water-course. This dam comprises a chamber which, for example, is formed in a dike or alike and wherein a buoyant body is housed supporting a vertical retaining wall. At its top the chamber communicates with th... | 03/10/1998 |
| 5720575 | Water control and diversion headgate and method of manufacture A water control and diversion headgate for use in irrigation systems, simplifying the headgate construction, easing its operation and improving its overall efficiency. This headgate includes a corrugated pipe, sometimes provided with an internal liner and... | 02/24/1998 |
| 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 |
| 5141361 | Door seal for water slide gates A water tight seal for water slide gates, and more particularly to a seal which is made from an elastomer such as reinforced plastic. Said seal comprises a first portion and a second portion whereon slides the gate and a resilient means so as to clasp the... | 08/25/1992 |
| 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 |
| 4934868 | Water control structure and roller assembly therefor A water control structure for a flow channel comprises a structure-mounted roller assembly having a pair of elongate, generally U-shaped frame members including an upstream leg, a downstream leg and a connecting web therebetween, the frame members adapted... | 06/19/1990 |
| 4877537 | Pumping system for gates A pumping system for gates wherein a sluice body liftably received in the guide grooves formed in the side walls of a water channel mounts a plurality of pumps in parallel with each other, the suction ports and the discharge ports of the pumps being locat... | 10/31/1989 |
| 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 |
| 4848962 | Slide gate and seals therefor A slide gate has a frame assembly with a pair of side guides, a bottom member and a top member that define an opening through which fluid flows. A movable slide plate is mounted to the frame assembly and constrained for movement between unblocking and blo... | 07/18/1989 |
| 4726709 | Sealing assemblies This invention is directed toward improved liquid sealing assemblies. The sealing assemblies are particularly useful in water control gates and in one embodiment have an elastomeric seal strip with a U-shaped cross-section defined by a web and a pair of a... | 02/23/1988 |
| 4678367 | Riser assembly for a sub-surface irrigation and drainage system A riser assembly for a sub-surface irrigation and drainage system is disclosed having a molded, housing defining a generally rectangular, elongated cavity. A divider within the housing divides the cavity into an upstream chamber and a downstream chamber. ... | 07/07/1987 |
| 4582451 | Floodgate panel and sealing means therefor A floodgate structure is disclosed for closing of an hydraulic flow channel at selected times, as during flooding conditions. A gate panel is normally loosely and slideably received in a recess below grade level. To render the gate operational, it is lift... | 04/15/1986 |
| 4514110 | Gate assembly for ponds A gate assembly for sub-dividing a pond or reservoir into separate compartments comprises a gate (1) vertically slidable in a cooperating frame (2) secured in the floor and side walls of the pond. The frame (2) is of channel section and a sealing member (... | 04/30/1985 |
| 4478534 | Flood control system A system for controlling and preventing flooding of areas adjacent a waterway includes a multiplicity of interconnected flood gates located in the banks of the waterway. The system includes water level sensors and devices for moving the floodgates in resp... | 10/23/1984 |
| 4474210 | Surge control weir structure for sewage treatment plants and the like A simplified, energy efficient, low cost liquid flow controlling weir apparatus is provided for "in tank" flow equalization and surge control. The apparatus is especially adapted for use in waste water treatment plants at tank outlets, and includes first ... | 10/02/1984 |
| 4439061 | Aluminum stoplogs A new and improved type of aluminum stoplog for use in stoplog gates. The stoplog is made of extruded channel members, has lifting hooks on its top end to facilitate removal, and has a recessed region running along its bottom end to accommodate the liftin... | 03/27/1984 |
| 4289971 | Electric power generation equipment incorporating bulb turbine-generator A hydroelectric power generator having a bulb turbine generator housed in a bulb shaped inner casing. The turbine runner of the generator is connected to a main shaft of the electric power generator. The outer casing is coupled to the inner casing by stay... | 09/15/1981 |
| 4242009 | Apparatus for automatically and selectively discharging saline water An apparatus for automatically and selectively discharging saline water at a tide-preventing floodgate between the ocean and a river or like which comprises a tide-preventing floodgate provided between the ocean and a river or the like, a drainpipe for di... | 12/30/1980 |
| 4220420 | Sealing means, primarily for a sluice gate A sealing arrangement primarily for a sluice gate which comprises a frame and a door movable between an open position and a closed position in which it closes an opening in the frame and sealing faces of the door and the frame are in sealing engagement to... | 09/02/1980 |