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Patent Searching and Data


Matches 101 - 150 out of 2,405

Document Document Title
WO/2000/006841
A material distribution vessel (300) for distributing material recovered in a dredging operation is disclosed. The material distribution vessel (300) includes a hull (352); a propulsion system (380) for selectively moving the hull (352) ...  
WO/2000/006838
A multi-purpose vessel (30) for use when recovering material from a bottom surface of a body of water. The vessel (30) includes a hull (38) and a dredge assembly (40) mounted to the hull (38). The dredge assembly (40) is adapted to recov...  
WO/1999/049976
A material processing plant e.g. a crusher or shredder (2) adapted to be suspended between a first wheeled unit (3) and a second wheeled unit (4) during transport, in which the first and second units have respective couplings, and in whi...  
WO/1999/044758
A screening apparatus (10) for screening particulate material includes a frame (12) having an open bottom (14) through which screened particles can pass and a plurality of banks of blades (16A-16E) supported on the frame (12). Each bank ...  
WO/1999/040263
The invention relates to a machine for displacing grindstones with a milling cutter (28, 30). The inventive machine is laterally guided along a grindstone, in a displacement direction, and removes a layer of material from the grindstone ...  
WO/1999/025932
A method for extracting and grading or sizing granular material, such as sand, gravel or a mixture thereof, from a volume of untouched ground (23), comprises spraying a liquid into the ground, resulting in a fluidized state (24) in the s...  
WO/1999/010625
A placer gold separating method comprising subjecting placer gold- and gold ore-containing sand and gravel layers accumulated on the bottom of the water of a river and placer gold- and gold ore-containing sand and gravel layers formed de...  
WO/1999/007949
An underwater mining vehicle (28) is provided with a suction boom (22) carrying a tooth cutter (9) at its forward tip and having an array of nozzles (20) disposed about its periphery. In use, the boom is oriented vertically and applies a...  
WO/1999/004107
An economic method and apparatus for ecologically safely removing silt, muck, and sand from a water bottom and for collecting the silt, muck, and sand without destroying the benthos therein into porous containers where the then contained...  
WO/1999/000556
The present invention relates to a method for padding ground below a duct (1) using excavated soil (2), wherein said method uses a vehicle (6) that comprises a soil feeding organ (13), a transport organ (14) and soil compacting organs (1...  
WO/1998/053148
A soil improving machine comprising a traveling vehicle which includes a lower traveling body having a pair of right and left caterpillars and an upper traveling body capable of swiveling on the lower traveling body; earth excavation mea...  
WO/1998/051760
The present invention disclosed herein comprises a process for fixation, stabilization and solidification of materials (28) dredged from a waterway, such as a harbor or channel, within a treatment vessel (26). The treatment vessel (26) i...  
WO/1998/044207
The invention relates to a method and a device (1) for dumping dredged material and the like on a bottom (11) present under the water surface (3). The dredged materials or the like are delivered under the water surface by means of a conv...  
WO/1998/044206
A screening apparatus (6) is removably connected to front arms (7) of an excavator (1) by means of quick release couplings to enable the screening apparatus to be quickly attached and removed as required. Material is fed to the screening...  
WO/1998/044204
A silt removing apparatus (10) is provided for removing silt from under a body of water. The silt removing apparatus (10) includes a silt removing wheel (16) rotatably mounted on a flotation arrangement (12). The silt removing wheel (16)...  
WO/1998/044078
A system for recovering liquid hydrocarbons from hydrates on an ocean floor includes a vessel, a positioning subsystem coupled to the vessel for holding the vessel in a desired location over a hydrate formation, a hydrate recovery subsys...  
WO/1998/042922
An underwater mining machine (10) includes a chassis (12) mounted on a powered drive arrangement (14) for driving the chassis on an underwater surface, the chassis (12) having a front end and a rear end and being adapted to be maneouvrab...  
WO/1998/024983
The invention enables separation of earth from subsoil at many times lower cutting resistance and at higher speed. The applied continuous output loading onto means of transport substantially increases additionally the productivity of the...  
WO/1998/020208
A dredging method and a dredging apparatus which can efficiently suck large quantities of sand and gravels deposited on the bottom of dams, rivers, harbours, etc., convey them with much saved energy as possible and can prevent diffusion ...  
WO/1998/004783
A self-propelled surplus soil regenerating vehicle of a compact construction capable of subjecting the surplus soil, which occurs during construction work, to a regeneration treatment on a site so that the soil can be recycled, and havin...  
WO/1997/046764
A second work machine can cooperate with an excavator to immediately subject earth and sand, which are excavated by the excavator, to an earth-moving disposal such as ground leveling, and earth removal. A construction machine is provided...  
WO/1997/041971
A self-propelled material-processing apparatus (10) comprising a chassis (12), an engine (13) mounted on the chassis near the forward end thereof, endless tracks (14) permanently supporting the chassis (12) and power-operated by the engi...  
WO/1997/025488
There is provided an improved apparatus (100, 100a) for recovery of sea-bed material. Known apparatus suffer from problems such as low recovery rate and capital cost. The invention, therefore, provides a recovery apparatus (100, 100a) co...  
WO/1997/025485
The present invention relates to a crawler type soil improving machine, in which soil and a soil improving agent are efficiently crushed and mixed with each other by one machine to enable regenerating of soil in soft ground and which is ...  
WO/1997/025486
The present invention relates to a method of disintegrating and mixing soil, and an apparatus therefor, by which soil in soft ground and a soil improving agent can be efficiently disintegrated and mixed with each other to provide an impr...  
WO/1997/008397
A soil improvement machine comprises a disintegrating mixing device (A), an earth and sand supply device (B) for supplying earth and sand to the disintegrating/mixing device and a soil improving material supply device (C) for supplying a...  
WO/1996/038636
A mortarless wall of a building structure has a plurality of blocks (1) arranged in successive overlapping courses. Each of the blocks (1) has a top (5), bottom (7), front (9) and rear (11) face disposed between opposed side ends (2, 3)....  
WO/1996/026794
A screening device comprising a screen (40) having a first side (43) for presentation to a body of material to be screened and a second side (44). A plurality of elongate screen openings (46) are formed in the screen extending between th...  
WO/1996/014553
A device for recovering explosive objects buried in the ground, such as mines, grenades or bombs, has a travelling device upon which is arranged a digging device. The digging device (52) is arranged at the front of the travelling device ...  
WO/1995/031614
A pipe system, for use in a body of water, comprises at least one conveyer pipe (2) and at least one floating body (5) for supporting the conveyer pipe (2) so that it floats on the body of water. Furthermore, a jacket (1) enclosing the c...  
WO/1995/015421
The excavator (101) used in the proposed combination is of standard design. A grab (122) can be provided as special equipment on the extension arm (117) of the excavator (101) for picking up objects such as rocks or pieces of wood, or al...  
WO/1995/012715
A system for the exploration for or extraction of raw materials, minerals or the like in a soft underwater bottom near land (4) consists of at least one fixed head (8a, 8b; 8c) placed in the water (6). A first cable (12a, 12b) runs from ...  
WO/1994/025690
A diffuser (10) to discharge water containing sediment below water level. The diffuser (10) has a main pipe (14) and a plurality of discharge ports (12) located at spaced intervals along the pipe (14). Relative movement between the water...  
WO/1994/024376
A bucket (1) is intended for connection to a working machine, such as a digger, wheel-mounted loader or like machine, for taking-up material such as sand, gravel, aggregate and the like, and for disintegrating or processing the material ...  
WO/1994/013891
A self-propelled apparatus for digging a shallow trench along one side of a roadway is disclosed, and which is useful as part of a roadway widening operation. The apparatus comprises a cutter drum (30) mounted to one side of the chassis ...  
WO/1994/000644
The invention relates to a device for handling material, especially soil, the device comprising a bucket (1) of a machine having a grinding device (2) for the material fitted thereto, the grinding device comprising at least two essential...  
WO/1993/024709
Described is an excavator, clearance vehicle or similar vehicle with a carriage (2) or chassis including a driver's cabin (1), with a preferably multi-element jib (3) hinged to the carriage (2) or chassis and with a shovel (4) hinged to ...  
WO/1993/016945
In order that the novel conveyor belt bridge (5) can be loaded by a linearly moving mining or working device with a digger delivering in the direction of travel both for upward cutting and cutting below grade and can reach from the plane...  
WO/1993/005243
A dredging apparatus comprises a submersible pump (13), mounted on a crane jib (12). The pump carries an emulsion of water and solids to the surface and passes it through a liquidiser unit (90) to reduce the particle size. A velocity red...  
WO/1993/001365
A bucket (1) for a front end loader comprising a base portion (3) extending between a pair of spaced apart sides (2, 2) to form a mouth for containing material wherein a screw auger (4) is located within the mouth near to the base portio...  
WO/1992/010618
A device for conveying objects of any kind out of water, especially for conveying manganese nodules from ocean depths, has the following stages for technically simple and hence economical extraction: the objects to be conveyed (5) are fi...  
WO/1992/006250
A vehicle for cleaning the aggregate material in a French drain or trench has a chassis (10) supporting tracks (14) for moving the vehicle along the drain or trench. An excavating conveyor (20) at the rear of the vehicle lifts the aggreg...  
WO/1992/004135
In a method for screening earth, gravel and the like containing comparatively large-size objects (1) and finer material (2), the material (1, 2) is moved into a screening drum (3) through an opening (13), whereupon the drum is rotated in...  
WO/1991/018152
The object of the invention is a device for processing soil, especially topsoil, comprising, for example, a set of parallel, transversal shafts (4) mounted on an excavator bucket (2). The shafts are provided with blades (5), arranged to ...  
WO/1991/014051
A bucket assembly comprising a bucket member connectible to a bucket stick (7) and having two side walls (6, 6'), a curved wall, and a bottom wall (4) forming an extension of the latter, as well as a screening member (2) articulated to t...  
WO/1991/011268
An improved soil feeder system in combination with a soil separating apparatus (14) and method of controlling the feeding of soil material employing the soil feeder. The soil feeder apparatus (12) includes a hopper body (28) having incli...  
WO/1991/010808
When a piston pump (2) on a ship (1) is operated, a heavy fluid having a greater specific gravity than the bulk specific gravity of the ore of deep sea mineral resources (hereinafter called ''nodules'') is discharged onto the ship (1) fr...  
WO/1991/008351
An installation for shifting won minerals comprises a continuous conveyor in the form of a belt or chain conveyor, a machine frame (2) and a shovel (8) pivotally connected to extension arms (7) which pivot vertically on an oscillating cr...  
WO/1990/012929
A separator bucket device with a grid for separation of excavated material, the grid comprising at least two substantially parallel grid portions (6, 7) inserted into each other, one end of each grid portion being rotatably mounted in th...  
WO/1989/009659
There is disclosed portable screening apparatus for separating larger particles from finer particles in bulk materials, and which comprises an elevator (1) having an inlet at its lower end for receiving a supply of bulk material to be sc...  

Matches 101 - 150 out of 2,405