Matches 1 - 50 out of 158 1 2 3 4 >
Match Document Document Title
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
4416106 Method and apparatus for removal of aquatic plant growth  
A method of removing aquatic plants growing from the bed of a lake or other body of water includes the steps of moving a horizontally oriented bar through the plants beneath the surface of the...
4333263 Algal turf scrubber  
A method of producing an algal turf for use as a scrubber of carbon dioxide, nutrients and pollutants as well as biomass production is disclosed. A growing surface for spores or benthic microalgae...
4275545 Kelp blade harvester  
A harvester for harvesting only the blade or lamina from a mature kelp plant uses a plurality of harvester mechanisms for movement through a kelp bed adjacent the sea bottom. Each mechanism has a...
4261160 Weed removal apparatus  
Apparatus for weed removal from a pond, the apparatus including a buoyant raft, a vacuum pickup hose, and a collecting means.
4259828 Irish moss harvester  
A harvester for plants such as Irish moss is disclosed. The harvester may be towed along the sea bed by a surface vessel and provides for the continuous pumping of harvested plants to the vessel by...
4258534 Aquatic harvesting apparatus  
Aquatic harvesting apparatus for removing waterborne vegetation from the water includes a harvesting barge with a pick-up conveyor, converging booms or pontoons pivotally connected to the barge to...
4248033 Thru-flow aquatic harvester  
Aquatic harvesting apparatus employs a harvesting barge with vertical and horizontal weed cutters and a tunnel extending from the cutting throat through the entire length of the harvesting barge...
4240243 Intake balancing and satellite collector system  
A method of controlling, harvesting and handling large acreages of aquatic growths and other underwater products and materials through the use of satellite harvesters coupled to a land or water...
4222217 Aquatic weed harvesting apparatus  
Apparatus for harvesting aquatic plants from a body of water includes transporting means, such as a trailer or a floating craft, adapted to move into the body of water. A centrifugal pump mounted...
4202155 Aquatic weed cutter, de-rooter and harvester  
Apparatus for cutting, de-rooting and harvesting of aquatic weed growth is disclosed. The apparatus is of modular construction for ease of land transportation and includes a cutting and de-rooting...
4177624 Aquatic plant sampler  
An aquatic plant sampler which includes an aquatic craft characterized by a plurality of pontoons secured to a flat deck member and propelled and steered by a dual power system including an above...
3971148 Dredge cutter head  
A dredge cutter head having mutually self-cleaning augers with a shrouded hood for nonstirring and nonclogging operation.
3890771 Aquatic harvester with improved flotation system  
An improved aquatic harvester is disclosed having an aquatic craft comprising a plurality of pontoons secured below a flat deck member, a pick-up assembly mounted on the forward end of the craft to...
Matches 1 - 50 out of 158 1 2 3 4 >