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| Number | Title | Issue Date |
| 8025460 | Ocean oil spill and contaminated sea ice containment, separation and removal system A method for containing and cleaning up oil or other contaminants from an area of water containing mixture of ice and water is disclosed. A net having at least one folded extension is deployed into an area of water and ice to encircle at least a portion of the conta... | 09/27/2011 |
| 7427221 | Method of and apparatus for aerating bodies of water A body of water is aerated by propelling in the body of water a water pumping arrangement including a sheath having a turning propeller that (a) sucks water from the body into the sheath interior via openings in the sheath, (b) forces the sucked water upwardly and (... | 09/23/2008 |
| 7270749 | Pump system A pumping system comprising: (a) an inlet adapted for connection with a supply of low pressure water; (b) a filtration unit in fluid communication with the inlet, wherein the filtration unit filters impurities from the low pressure water so as to discharge a flow of... | 09/18/2007 |
| 7150239 | Method for aerating bodies of water A body of water is aerated by propelling in the body of water a water pumping arrangement including a sheath having a turning propeller that (a) sucks water from the body into the sheath interior via openings in the sheath, (b) forces the sucked water upwardly and (... | 12/19/2006 |
| 7150241 | Device for protecting dock anchor posts from ice damage A system for protecting a dock from ice damage. The system includes a circumferentially fluted, water-impermeable housing capable of longitudinal and radial expansion and contraction. The housing defines a cavity with upper and lower openings into the cavity through... | 12/19/2006 |
| 7074328 | Mixing, aeration or oxygenating apparatus A mixing, aerating or oxygenating apparatus to aerate or oxygenate ponds, rivers or lakes, sewage or effluent treatment lagoons or beds or to airstrip volatile compounds from water or other solutes by distributing gas through a piped system having a plurality of out... | 07/11/2006 |
| 6688105 | Iceberg utilization process improvement Improvements to a process for moving icebergs from Antartica to arid destinations wherein the iceberg is thermally insulated on bottom and sides with kelp grown into mats, pushed with a subtug below sea level to direct its force vector throught the iceber... | 02/10/2004 |
| 6626607 | Vehicle test course surface A vehicular test course surface is provided which permits tests to be conducted in a snow-covered road condition no matter in which season the tests may be conducted. Snow is made to fall or accumulate like artificial snow onto a road surface.... | 09/30/2003 |
| 6616376 | Bagging icebergs A flexible, waterproof bag is used to contain a iceberg. The bag has an opening that can be closed and an edge around the opening. At least one float is attached to the edge of the bag and a drain is located away from the edge. One end of a conduit is att... | 09/09/2003 |
| 6231268 | Apparatus and method for treatment of large water bodies by directed circulation Apparatus and method for inducing directed water movements for treatment of large water bodies subject to surface freezing, stagnation, bottom oxygen deficiency, or other non-uniform conditions. The apparatus consists of an open axial-flow impeller, drive... | 05/15/2001 |
| 5951216 | Programmable, variable volume and pressure, coolant system A programmable, variable volume and pressure, coolant system regulating the amount of coolant flow to a cutting tool by controlling the speed of a coolant pump, and is comprised of a fluid control unit and an electrical control panel. The fluid control un... | 09/14/1999 |
| 5567078 | Method for forming a sloped face ice control structure The present invention pertains to sloped-faced, ice control elements that are each spaced apart across a riverbed adjacent to a floodplain region. The elements arrest a breakup ice run. The size and spacing of the ice-resisting elements can vary with rive... | 10/22/1996 |
| 5232309 | Method and equipment for maintaining ice-free locks The method and equipment for keeping locks free of ice utilizes the natural energy resources of the waterway itself. Gravity is utilized to conduct warm water from the depths of the upper waterway via a pipe (1) into the lock where it is distributed by a ... | 08/03/1993 |
| 5224800 | Protective system against icebergs or floating objects The system utilizes one or more buoyant members which are attached to a mooring line or lines anchored to the sea bed. The mooring line has a length limited to provide travel constraints on the travel path of the buoyant member, whereby upon collision of ... | 07/06/1993 |
| 5203643 | Method and apparatus for adaptive ice control A method and controls for cyclical operation of ice reducers in open bodies of water. An ambient condition transducer provides an ambient signal representing the amplitude of a condition affecting ice formation. A timer cyclically produces a ramp signal, ... | 04/20/1993 |
| 5035541 | Rubble-spray ice island A method and apparatus for constructing an ice structure in deep (e.g. 50 feet) waters having a moving sheet of ice on the surface. A rubble generator is positioned in the path of the ice sheet and a portion of the marine bottom is artificially raised adj... | 07/30/1991 |
| 5017093 | Thermostatically controlled boat de-icer A thermostat control for use in conjunction with a boat dock de-icer, wherein the thermostat control includes an electrical outlet, a plug for connecting the control to a source of electrical energy, a set point controller for controlling the operation of... | 05/21/1991 |
| 4973403 | Suction head and strainer assembly A suction head and strainer assembly comprises a strainer portion of elongated hollow generally cylindrical configuration with a plurality of strainer holes at a closed end thereof. The strainer holes provide for an aggregate open area of approximately th... | 11/27/1990 |
| 4923336 | Dock supporting apparatus A dock support having a piling composed of an upstanding rod the lower end of which is adapted to be embedded in the bottom of a body of water and an external telescoping sleeve having a cap at its upper end which normally confronts and seats on the upper... | 05/08/1990 |
| 4854780 | System and method of damping waves on a body of water using towable field of ice pieces of random sizes A wave damping system and method for use on a body of water. A floating collar structure is oriented to define a restraining area in which pieces of ice of random size are disposed. The floating collar has a shield to maintain the ice pieces therein. The ... | 08/08/1989 |
| 4828431 | Strengthened protective structure A method and structure for protecting an offshore structure in an arctic body of water from mobile ice, waves, and currents. Soil is dredged from the floor of the body of water, deposited in a berm having a size and shape adapted to protect the offshore s... | 05/09/1989 |
| 4826353 | Protection of marine installation from moving ice A drag unit to absorb the kinetic energy from large floating bodies of ice is constructed around a buoyancy chamber (14). The buoyancy chamber is attached to a torque arm (16) and this is secured at its remote end to an anchor line (6). The buoyancy chamb... | 05/02/1989 |
| 4786210 | Arctic production/terminal facility An offshore facility for use in an arctic body of water to produce, store, and offload hydrocarbons. The facility comprises a main structure which includes storage tanks, production equipment, etc., and which has a marine docking slip constructed therein ... | 11/22/1988 |
| 4755157 | Icebreaking defense buoy An icebreaking buoy system includes an icebreaking buoy connected to clump weight means positioned on the sea floor by a mooring line having minimum extra length sufficient to permit the buoy to ride up over the largest expected wave. Several such buoy sy... | 07/05/1988 |
| 4718729 | Material clearing and piling device An apparatus and method for clearing material from one location to a pile at another wherein a trolley member with a winch is suspended below and supported by a track which in turn is supported on a moving platform such as a drilling platform or a barge. ... | 01/12/1988 |
| 4666335 | Pond spring A water circulating device designed to be installed in a pond or the like for circulating warmer subsurface water to the surface to prevent freeze-over of the pond. The device comprises a framework having a base section which rests on the floor of the pon... | 05/19/1987 |
| 4666342 | Ice berm for use as a foundation for an arctic offshore structure Arctic berm for offshore structure foundation. It is made of several ballasted ice slabs stacked one over the other and welded together to form a solid mass. The berm is obtained by delimiting a uniform ice thickness area over landfast ice, area made up o... | 05/19/1987 |
| 4666343 | Protective construction for a platform installed in the open sea against the impact of floating objects A protective device protects a platform installed in the open sea against the impact of floating objects such as icebergs, ice formations, or ships. A massive protective body surrounds the platform to be protected and has a bottom with inclined bearing su... | 05/19/1987 |
| 4640552 | Method and apparatus for splitting ice masses A method and apparatus is disclosed for breaking apart large masses of ice wherein a borehole is drilled into a mass of ice, the hole is blocked and pressurized to split the ice mass.... | 02/03/1987 |
| 4639167 | Deep water mobile submersible arctic structure The mobile marine drilling structure is of the submersible type for operation in ice-covered waters. The structure comprises a base for placing the structure on the sea bed, a hull extends from the base, and a deck is supported by the hull. The deck is lo... | 01/27/1987 |
| 4634315 | Forced refreezing method for the formation of high strength ice structures A method for accelerating construction of a load bearing ice island, formed by either sea water spraying or flooding techniques, of higher quality or in a shorter time or both than would otherwise be possible. The method involves forced refreezing of spra... | 01/06/1987 |
| 4621946 | Method and apparatus for moving ice masses A method and apparatus is disclosed for moving a large mass of ice by anchoring a two line thereto. The tow line is connected to a marine vessel which tows the ice mass to a remote location distant from threatened equipment and personnel.... | 11/11/1986 |
| 4616956 | Pipeline launching module Marine pipelaying is carried out from the surface of floating ice by use of modules which straddle a slot in the ice and carry the pipeline, each module having a large central float which is forced downward into the water and which functions to reduce loa... | 10/14/1986 |
| 4578000 | Method of protection A method for protecting stationary constructions, located in water and surrounded by water, against strain caused by a moving ice field in said water. A protective structure is arranged around said stationary construction. Said protective structure has a ... | 03/25/1986 |
| 4571125 | Floating offshore structure A floating offshore structure which is moored at a fixed position on the sea by means of mooring hawsers and anchors connected to the ends thereof respectively for conducting a submarine excavating operation from a deck of the structure. The structure inc... | 02/18/1986 |
| 4567731 | Artificial iceberg An artificial iceberg is constructed in an area near the ocean, which has a plentiful supply of fresh water and a climate in which the temperature remains below freezing for extended periods of time. An air pocket is created by fixing a sheet of plastic t... | 02/04/1986 |
| 4549836 | Ice slot construction A method and apparatus are provided for forming an ice slot in an ice sheet by cutting discrete blocks of ice in the ice sheet, then gripping the blocks of ice with a claw-like attachment extending from a hydraulic arm and pushing the ice blocks downwardl... | 10/29/1985 |
| 4547093 | Protection of vessels and equipment from moving ice An installation 18 is protected by a circular array of drag elements 2. Each drag element is anchored to the seabed and has teeth on its upper surface which penetrate, and decelerate, moving ice structures. Ice structures which move over the drag elements... | 10/15/1985 |
| 4523876 | Ice slot maintenance During winter construction of offshore Arctic pipelines, it is frequently necessary to cut an ice slot in order to lay a pipeline on the sea bottom. Once such slots are cut, they rapidly freeze over, so that it is necessary to remove ice from the slot dur... | 06/18/1985 |
| 4518281 | Ice suppression mat A laminated ice suppression mat which prevents ice from forming adjacent to objects partially submerged in a body of water subject to natural icing conditions has a laminate of buoyant, thermal insulating material intimately joined to a larger laminate of... | 05/21/1985 |
