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| Number | Title | Issue Date |
| 7666045 | Buoyant device A buoyant device has a body and an elongate tail. The body carries a payload. The tail is moveable, e.g. by pivoting, between a closed and an open position. This movement changes the position of the center of mass of the device relative to the center of buoyancy. As... | 02/23/2010 |
| 7264420 | Floating overturn prevention device A floating overturn prevention device includes a flat-top base and a pillar coupled to a bottom surface of the flat-top base and extending therefrom. The flat-top base is a floating body for floating desired equipment on the water. The pillar further includes a weig... | 09/04/2007 |
| 6968802 | Buoyant retrieval of unmanned seawater vehicles An unmanned sea vehicle is provided with a canister storing therein a net assembly in a deflated condition attached to the sea vehicle through the canister by a lanyard in a folded condition. The net assembly is connected to an inflation gas generator through which ... | 11/29/2005 |
| 6463800 | Energy conserving moored buoyant ocean profiler An energy conserving moored buoyant ocean profiler wherein an instrument carrying vertically traversing buoyant member of low buoyancy is interconnected with a second buoyant member of high buoyancy to travel in the opposite direction at lesser distance, ... | 10/15/2002 |
| 6406624 | Flocculation apparatus and apparatus for floating upwardly in a liquid and for moving downwardly in the liquid under the influence of gravity Flocculation apparatus and flotation apparatus useful in flocculation apparatus for floating paddles upwardly and allowing gravity to move paddles downwardly through a liquid to agglomerate particles suspended in the liquid.... | 06/18/2002 |
| 6406221 | Bridge pillar debris deflection apparatus A bridge pillar debris deflection apparatus (10), which attaches to a pillar supporting a structure located on a water way, such as a river or ocean. The apparatus (10) deflects debris to maintain the pillar clear from any unwanted build-up of rubbish. Th... | 06/18/2002 |
| 5902163 | Debris shedding buoy A debris shedding buoy having a float body with a top and a bottom is provided. The buoy includes a slide rail, adapted for slidable engagement to a mooring line, is attached to the bottom of the float body. The slide rail is located in a generally center... | 05/11/1999 |
| 5443408 | Low drag buoy A low drag buoy uses diameter reductions and spoilers of a buoyant body surface to reduce the drag. An end structure at one end of a buoyant body allows connection of that end to a line, and a number of different diameter portions are provided between the... | 08/22/1995 |
| 5387144 | Stabilizer for spar buoy A spar buoy is so arranged that a buoyancy body (1) is provided halfway on a marker mast (2), the lower end of the marker mast (2) being moored to a sinker (7) sunk at water bottom by a mooring device (6) and that the buoyancy body 1 is pulled in the wate... | 02/07/1995 |
| 5108326 | Flexible surface drogue/stabilizer for drifter buoys The invention relates generally to the stabilization of drifter buoys and the like and more particularly to surface or near surface Lagrangian Drifter Buoys launched from aircraft or surface vehicles and to an underwater suspension system adapted for stab... | 04/28/1992 |
| 4995842 | Buoy with reduced drag An elongated buoy with protruding external ribs extending about the circumference of the buoy. The ribs are oriented substantially perpendicular to the longitudinal axis of the buoy and create turbulence when the buoy is dragged upon the surface of the wa... | 02/26/1991 |
| 4954110 | Underwater buoy provided with hydrodynamic stabilizing means and designed to be suspended, notably from a helicopter In a sonar buoy suspended from a helicopter, the lower stabilizing ring of a buoy of this type is replaced by a set of fins which get folded against the body of the buoy during its descent into the water and get unfolded when they are raised again to form... | 09/04/1990 |
| 4680148 | Mobile pond aerating system A system for aerating in a programmed manner the desired areas of a water pond to enhance the environment for marine life in the pond; said system including a propelled boat with an aerator mounted thereon and having direction control apparatus including ... | 07/14/1987 |
| 4673363 | Marine measurement device A sonobuoy having a terminal weight and sensor for deployment beneath the surface of the water after the buoy has been launched from an aircraft and impacted the water. A circuit assembly and antenna for processing output from the sensor and for transmitt... | 06/16/1987 |
| 4639227 | Buoy A buoy having a mainly circular upper surface and on this surface an auxiliary circular float body located at the center of this surface, the dimensions of the this upper surface and the auxiliary float body being such, that the buoy in rough water restor... | 01/27/1987 |
| 4514343 | Aspirating horizontal mixer An aspirating horizontal mixer for aerating and liquid mixing includes a float with tiltable supports extending downwardly into a body of water and an air delivery conduit which are connected to a mixer unit supported below the liquid surface by the suppo... | 04/30/1985 |
| 4443203 | Floating marker A marker bouy to positively mark positions on a water surface with respect to the bottom. The marker includes a generally hollow body with line wound around the approximate center thereof with a weight on the end of the line which will cause the marker to... | 04/17/1984 |
| 4407607 | Fluid dynamic erosion control unit A fluid dynamic erosion control unit comprises a hollow submersible body the buoyancy of which can be regulated. Arms projecting radially from the body carry paddle-like blades in at least some of which there are openings provided with flapper valves for ... | 10/04/1983 |
| 4405303 | Portable recreational marker buoy A portable self-setting marker buoy (10) comprises an elongate float body (12) having a pair of spherical end portions (14) secured to opposite ends of a tubular intermediate portion (16), to which one end of a line (20) is attached. A sinker (24) is atta... | 09/20/1983 |
| 4383831 | Stabilized suspension system A suspension system for an air-dropped sonobuoy includes a transducer housing wherein the upper portion is emptied upon deployment of a float. The weight distribution of the transducer and housing provide for a center of mass and a center of buoyancy at a... | 05/17/1983 |
| 4330895 | Stabilizer for reducing motion of an object disposed in a fluid A stabilizer or drogue, packageable in a minimal volume, which can be auttically deployed to dampen horizontal, vertical and rotational motion of a device, such as a hydrophone, operating in a relatively viscous fluid. The stabilizer is disposed on a lin... | 05/25/1982 |
| 4194246 | Noisemaker beacon 1. An acoustic jammer assembly constructed for ejection from a signal tube n a submarine, said assembly comprising a cylindrical casing for containing various elements of the jammer; a high frequency acoustic noisemaker attached to one end of said casing a... | 03/18/1980 |
| 4004309 | Hydrodynamic stabilizing device A hydrodynamic instrumentation or transducer structure is adopted for deployment into the ocean or similar large body of water in such manner that it is caused to descend essentially vertically from a buoy at the end of a line of substantial length, such ... | 01/25/1977 |
| 4004308 | Hydrodynamic stabilizing device A stabilizing structure for a buoyant elongated cylindrical housing assembly is tethered to an anchor on the bottom of a body of water and includes a pair of positively buoyant arms hinged to the top of the housing at an angle to each other with leaf spri... | 01/25/1977 |
| 3953905 | Stabilized, towable spar buoy A spar buoy is dynamically stabilized by providing a streamlined, V-shaped wing just above the center of gravity of the spar. The wing has a dihedral sufficient to stabilize the spar in three axes while under tow. The buoy may be equipped with a radio tra... | 05/04/1976 |
