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| Number | Title | Issue Date |
| 7334358 | Portable dredging equipment A portable dredging apparatus comprising a cutter housing in communication with a hydraulic power supply and a discharge pump through lengths of tubing whereby said cutter housing is submersible. The cutter housing is comprised of a platform having walls depending t... | 02/26/2008 |
| 7090549 | System to propel an air powered boat Air propulsion system for a boat comprises an internal combustion engine for powering a propeller in a single rotational direction. A pivoting mechanism pivots the propulsion system through a 360 degree arc about a transverse horizontal axis from a first position in... | 08/15/2006 |
| 7036295 | Aquatic growth harvester A deck slotted into a left and a right deck halves in spaced apart positions so as to provide a slot therebetween. On each of the deck halves a pair of drums are mounted for rotation. Around each of the pairs of drums a rubber belt is engaged so that the rubber belt... | 05/02/2006 |
| 6997194 | Harvesting apparatus and method therefor An improved self-propelled harvester. The self-propelled harvester passes through a field to be harvested, while laborers place produce on a conveyor belt thereon. The produce is passed through a washing station, where it is preferably exposed to sideward and downwa... | 02/14/2006 |
| 6966132 | Method and device for moving subsea rocks and sediments A method for moving subsea rocks and sediments which can be at significant depths, in connection with removal of protective rocks around installations where maintenance is to be conducted. Tubing with an ejector nozzle is arranged completely externally in relation t... | 11/22/2005 |
| 6920744 | Apparatus and method for cutting and harvesting infestations of aquatic vegetation and/or skimming algae/floating vegetation A harvester and method for harvesting aquatic algae or floating vegetation in shallow areas of water bodies, such as lakes is described. The harvester is manually operated. The harvester moves on hollow wheels that are capable of adjusting the buoyancy of the harves... | 07/26/2005 |
| 6832465 | Aquatic weeding device An aquatic weeding device is provided for removing aquatic vegetation from a body of water and transporting the vegetation to a desired location. The weeder includes at least one weeding element connected with respect to a vessel for collecting aquatic vegetation, a... | 12/21/2004 |
| 6732499 | Method and apparatus for gathering, transporting, and processing aquatic plants An apparatus and method for removing water hyacinths. The system of the present invention utilizes a transfer mechanism and grapple to collect hyacinth material from a body of water. The collected material is then passed to a transport for delivery to a header unit ... | 05/11/2004 |
| 6393812 | Method and apparatus for gathering, transporting, and processing aquatic plants An apparatus and method for removing water hyacinths. The system of the present invention utilizes a transfer mechanism and grapple to collect hyacinth material from a body of water. The collected material is then passed to a transport for delivery to a h... | 05/28/2002 |
| 6357213 | Water vegetation removal system The water vegetation removal system includes a stationary barge and at least one motorboat equipped with a plow blade or vegetation rake for plowing vegetation on the surface of a body of water into the vicinity of the barge. The system includes a barge w... | 03/19/2002 |
| 6328165 | Marine harvesting methods and apparatus Methods and apparatus are provided for harvesting aquaculture from a body of water. The apparatus includes a continuous belt which is partially submerged in the water. A flow of water is created which forces aquaculture against the moving belt and the bel... | 12/11/2001 |
| 6115954 | Collection assemblies and methods for use in harvesting brine shrimp eggs A collection assembly for harvesting brine shrimp eggs from a body of water is disclosed in one presently preferred embodiment of the present invention as comprising a base member which may be positioned in a substantially horizontal orientation, means fo... | 09/12/2000 |
| 6073382 | Containment boom apparatus and methods for use in harvesting brine shrimp eggs Apparatus and methods for harvesting brine shrimp eggs from a body of water involving the use of an elongated member comprising buoyant material which enables the elongated member to float at or near the surface of the body of water and a water-permeable ... | 06/13/2000 |
| 5890311 | Apparatus and methods for harvesting and cleaning brine shrimp eggs An apparatus for harvesting and cleaning brine shrimp eggs on the open water is disclosed in one presently preferred embodiment of the present invention as comprising a buoyant support frame having a collection assembly operably disposed in relation there... | 04/06/1999 |
| 5775073 | Rake compactor and helical paddle wheel for aquatic harvester A rake compactor and helical paddle wheel system for an aquatic harvester, the rake compactor of which includes a carriage or trolley movably and horizontally mounted by means of rollers on rails above the deck of the aquatic harvester and characterized b... | 07/07/1998 |
| 5603204 | Aquatic plant harvester Floating aquatic vegetation is harvest from the surface of a body of water. The vegetation is chopped or shredded when floating in situ on the body of water. The vegetation is then removed from the water surface. The chopping, shredding, tearing or other ... | 02/18/1997 |
| 5598688 | Apparatus for clearing water creepers An apparatus for clearing water creepers, including a base, a crashing machine fixed on the base and a conveyor having a conveying belt surrounding a head shaft, a tail shaft and multiple intermediate shafts. The base is adapted to be located on a boat or... | 02/04/1997 |
| 5499490 | Aqua farming A method of farming in which plants are grown on a land mass adjacent to a body of water so that separated plant parts such as apples fall into the water and are harvested from the water. The land mass is sloped so that the plant parts are encouraged to e... | 03/19/1996 |
| 5487258 | Water hyacinth removal apparatus and method A system is disclosed for the harvest of water hyacinths. The floating hyacinths are conveyed from their surface disposed growing disposition to a grinder. Grinding occurs with liberation of large amount of the plant contained water and exposure of the hy... | 01/30/1996 |
| 5481856 | Method and apparatus for cutting aquatic vegetation A method and apparatus for cutting aquatic vegetation is provided which substantially reduces the tendency to wrap or clog conventional cutterheads. A cutterhead of the present invention includes a plurality of radially oriented rotatable cutting members ... | 01/09/1996 |
| 5457908 | Brine shrimp egg harvesting device A brine shrimp egg harvesting device is shown. The harvesting device includes wedge-oriented booms designed to concentrate the brine shrimp eggs which float at the surface of a body of water. The brine shrimp egg harvesting device also has a collector for... | 10/17/1995 |
| 5447018 | Aquatic plant de-rooting apparatus An aquatic plant de-rooting apparatus includes a jib and a vertically adjustable hanger to be mounted on a vessel. The hanger carries two forwardly convergent rotors, each with a series of flat blades projecting radially from it. The rotors are independen... | 09/05/1995 |
| 5404696 | Aquatic-weed removal machine An aquatic-weed removing machine is provided with a paddle wheel equipped with a hinged plate connected to the peripheral edge of each paddle in a manner such that as the wheel rotates, individual plates pivot from an inward folded position at the edge of... | 04/11/1995 |
| 5235797 | Method of harvesting aquatic plants Aquatic plants are harvested from a body of water. The aquatic plants are gathered from the surface of the body of water and transported to a collection zone at a collection point on the body of water. The aquatic plants are then moved from the collection... | 08/17/1993 |
| 5197263 | Method and apparatus for harvesting aquatic plants A duckweed slurry is recovered from a body of water. The duckweed slurry includes duckweed and water from the body of water. The duckweed slurry is transported to a dewatering station. A majority of the water from the duckweed slurry is removed at the dew... | 03/30/1993 |
| 5181479 | Fish egg and larvae collection system A system for continuously collecting and preserving fish eggs and larvae by pumping, concentrating, separating, and preserving samples for a specific period of time or volume. Water containing fish eggs and larvae is pumped by a centrifugal pump through s... | 01/26/1993 |
| 5083417 | Apparatus for harvesting vegetable matter Apparatus for harvesting vegetable matter from a body of water which has a facing pair of contra-advancing gripper belts. There may be water-shedding formations on the belts and a baler at the discharge end of the belt pair. The belts can be mounted in th... | 01/28/1992 |
| 5069023 | Aquatic vegetation harvester An aquatic vegetation harvester comprises a barge having a vegetation cutter extending forwardly thereof and a conveyor extending aft. Hydraulic cylinders effect elevation of the aft end of the conveyor relative to the barge. A pair of laterally spaced, l... | 12/03/1991 |
| 4942722 | Plant harvester A harvester for plants and weeds, particularly aquatic plants, pulls the plants by winding them onto a rotating, endless cable. Tension in the cable is controlled, and an operative portion of the cable is positionable for varying its height and angle to t... | 07/24/1990 |
| 4858363 | Crayfish harvester An apparatus for harvesting crayfish and similar crustaceans from ponds utilizing a hollow tube placed in the pond and provided with openings sized to allow crayfish to enter the hollow tube where they are pushed through the tube by the action of a plug b... | 08/22/1989 |
| 4852337 | Method and apparatus for removing aquatic plants A method of and rake for removal of aquatic plants; the method has the steps of pulling a rake over an underwater bottom, engaging aquatic plants with flexible, resilient teeth and a flexible, resilient filament strung between the teeth, pulling the plant... | 08/01/1989 |
| 4839062 | Method of harvesting and harvesting device for brine shrimp eggs A method and device for harvesting brine shrimp eggs, wherein the method comprises the steps of positioning a concentrating funnel slightly below the layer of brine shrimp eggs at the surface level of a body of salt water; moving the concentrating funnel ... | 06/13/1989 |
| 4815260 | Plant harvester A harvester for plants and weeds, particularly aquatic plants, pulls the plants by winding them onto a rotating, endless cable. Tension in the cable is controlled, and an operative portion of the cable is positionable for varying its height and angle to t... | 03/28/1989 |
| 4779404 | Suction harvester for aquatic plants and animals A suction harvester for aquatic plants and animals comprising a variable rate centrifugal pump capable of handling solids mounted on a vessel and connected to a manoeuvrable nozzle. The operator can control the placement of the nozzle and degree of suctio... | 10/25/1988 |
| 4759146 | Method for undermining an immersed ground and for generating an ascending water current, and device for implementing such a method The invention concerns a procedure for undermining underwater terrain (S) thus creating an upward rising current (Tj) able to lift items lying on the terrain (S) or half-buried in it, in order to collect them in a recovery net. The invention also covers d... | 07/26/1988 |
| 4713896 | Inshore submersible amphibious machines A submersible unit comprises a portable, open or closed bottomed pneumatic chamber mounted on flexible drive tracks controlled by personnel from the chamber for operation along the bottom of a body of water, on the surface, at intermediate levels, in the ... | 12/22/1987 |
| 4638621 | Method and system for processing aquatic plants A system for harvesting and processing aquatic plants growing on the surface of a body of water includes a shore mounted harvesting apparatus which gathers the plants from the surface of the water and conveys them to a first chopper assembly which rips an... | 01/27/1987 |
| 4520616 | Method and system for conditioning and removing aquatic plants A system for conditioning and removing aquatic plants growing on the surface of a body of water includes a water craft having at least one rotatable drum, the specific density of which is less than one. Conditioning ribs extend away from the outer periphe... | 06/04/1985 |
| 4507909 | Compactor and paddle wheel for aquatic harvester A compactor and dual paddle wheel mechanism for an aquatic harvester which includes a carriage movably mounted by means of rollers on the deck of the aquatic harvester and characterized by a serpentine chain drive system for selectively moving the carriag... | 04/02/1985 |
| 4434572 | Retrieval of lobsters and other objects Method and apparatus for retrieving lobsters or similar objects from the floor of a lobster pound or other shallow water body are described. An upward flow of water is established in a flexible conduit or passageway of size sufficient to accommodate the o... | 03/06/1984 |
