Class 37/322 - With downstream directed jet nozzle

Subclass of Class 37 - Excavating
Definition: Apparatus wherein a high-velocity fluid stream is forced
No. of patents: 38
Last issue date: 12/15/2009

Number	Title	Issue Date
7631444	Method and apparatus for pneumatic excavation Material is pneumatically excavated and removed by discharging air under pressure from an excavation nozzle at supersonic speeds in a forward direction for excavating the material, and simultaneously discharging air under pressure from an evacuation nozzle also at s...	12/15/2009
7395618	Subsea excavation and suction device Subsea excavation and suction device includes a suction head with an inlet opening at an outer, free end and an outlet opening connected to a suction hose arranged at a distance from the inlet opening. The suction head is mounted on a hydraulic controller arm and at...	07/08/2008
7329161	Amphibious recreation vehicle An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electr...	02/12/2008
7234252	Method and apparatus for beneficiating soils during vacuum excavation An apparatus for soil excavation having a vacuum hose, a vacuum holding tank and at least one air lance and/or water jet, in which a soil beneficiating agent is introduced into the soil during one or more of the steps of the vacuum excavation process. ...	06/26/2007
7045068	Apparatus and methods for separating slurried material An apparatus for separating liquid from a slurry comprised of a solid and a liquid is described. The apparatus comprises a container sized and configured to receive the slurry which container comprises a removable cover sized and configured to enclose an atmosphere ...	05/16/2006
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
6910319	Hydrojet for cutting plant growth from waterways An apparatus and method for cutting plant growth from waterways to promote fluid passage through such waterway. Water under high pressure is forced through a nozzle orifice to cut, chop and/or pulverize the aquatic plant matter. The nozzle is on a spray-head assembl...	06/28/2005
6860042	Excavation system employing a jet pump An excavation system comprises a bucket, defining an outlet at its base, in fluid communication with a suction tube in fluid communication with a jet pump, configured to create a suction in the suction tube. A related method of excavating comprises loading excavatio...	03/01/2005
6691436	Hand-held device for exposing buried objects A hand-held wand is disclosed for exposing buried objects such as utility lines or the like. The wand comprises an elongated, hollow tube having upper and lower ends with first and second water supply conduits being positioned adjacent the exterior surfac...	02/17/2004
6209965	Marine clathrate mining and sediment separation A method and apparatus for mining of hydrocarbons from a hydrocarbon-containing clathrate such as is found on the ocean floor. The hydrocarbon containing clathrate is disaggregated from sediment by first disrupting clathrate-containing strata using contin...	04/03/2001
6178670	Underwater mining apparatus There is provided an improved apparatus 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 comprising a vehicle upon which are mounted ...	01/30/2001
6116818	Underwater plow apparatus and method An ocean plow device and accompanying method which incorporate a passive plow blade and a jetter tool working in conjunction with one another to lower drawbar and increase cable deployment speeds. In order to avoid cavitation due to sand dilation, in one ...	09/12/2000
6058630	Fluid seal for maintaining vacuum A suction, or vacuum, is created by the coupling of two sections of tubing of dissimilar size. The larger section of tubing has an open ended reservoir attached to one end thereof. The smaller section of tubing has an end plate attached at a point approxi...	05/09/2000
5546682	Sediment relocation machine The invention relates to an apparatus for relocating sedimentary materials particularly from the bottom of water channels. The invention utilizes a water jet fluidizer to displace sedimentary materials and to suspend them in a water flow. The water flow c...	08/20/1996
5285587	Underwater mining dredge Dredging apparatus (10) is provided with a flow conduit (18), a first pump (28), a second pump (30), and two valves (34, 44). The flow conduit (18) comprises a first leg (20) extending downwardly to a lower portion (22) and a second leg (24) extending upw...	02/15/1994
4991321	Pneumatic device for excavating and removing material A high velocity pneumatic device for excavating and removing material such as soil. The device includes an elongated pressure tube having an inlet end connected to a source of gas, such as air, under pressure and the opposite or distal end is bent and pro...	02/12/1991
4979322	Apparatus and method for forming a crater in material beneath a body of water Dredging apparatus comprises a modular, submersible, vertically positionable crater sink mechanism operable to form a crater in a bed of material beneath a body of water. The crater sink mechanism comprises an elongated tubular housing closed at its upper...	12/25/1990
4839061	Method and apparatus for treatment of hazardous material spills Spills of hazardous materials are treated at the site of the spill using an integrated spill responder system which enables personnel to remain at a safe distance from the spill. The mobile, fully self-contained system is dispatched to the spill site and ...	06/13/1989
4812079	Embedding cablelike members An embedding apparatus for optionally cutting through different densities of soil and rock in order to embed cable in a waterbed. The apparatus comprises a low pressure jet assembly for cutting into the soil, a rock-cutting assembly with teeth for cutting...	03/14/1989
4807373	Loop circuit dredging apparatus A loop circuit method and apparatus for dredging a first area water and in which the water being used to transport the solid material (the dredging water) is continuously routed around in a loop and used repeatedly to convey the solid material from the fi...	02/28/1989
4758355	Oil spill recovery method Crude oils and other oleaginous substances which have washed onto and soaked thoroughly into coarse bottom sediments such as sand beaches and sediments forming the bottom of certain holding ponds may be released for recovery by mechanical or hydraulic plo...	07/19/1988
4714378	Apparatus and method for trenching subsea pipelines Apparatus and a method for progressively forming a subsea trench and for laying a pipeline in that trench are provided. The apparatus includes a towable sled for supporting the pipeline as it is being laid in a subsea trench that is being created by fluid...	12/22/1987
4412394	Dredging suction-jet head A placer stream dredging head including a relatively short section of open end pipe coaxially secured to the depending end of a boat supported gangue tube. A closed bottom cage is connected with the depending end of the pipe section. A first force pump su...	11/01/1983
4408405	Underwater excavator An underwater excavator comprising a modular non-metallic cofferdam wherein ater under pressure exits from a plurality of nozzles along at least one side of the base of the cofferdam and a fluid driven eductor driven by pressurized fluid evacuates the susp...	10/11/1983
4322897	Airlift type dredging apparatus The dredging apparatus includes a vertical hollow body arranged to be lowered to the ocean floor and incorporating a venturi entrance at a bottom opening converging to a throat and thence widening abruptly to define an annular step facing upwardly. The di...	04/06/1982
4302052	Modular hydraulic mining tool with slurry inlet metering An improved hydraulic mining tool is disclosed wherein the major components of the tool are formed as separate discrete modules, each including a high torsional strength common mounting flange which permits the modules to be interchangeably attached to on...	11/24/1981
4296970	Hydraulic mining tool apparatus An improved hydraulic mining tool for recovering minerals, particularly bitumen, and other viscous crude oils, from subterranian formations is disclosed, composed generally of a radially directed cutting jet nozzle which discharges a high velocity liquid ...	10/27/1981
4275926	Down hole pump with bottom receptor A tool for slurrying and recovering minerals, including bitumen, from a single bore hole by hydraulic mining and jet pumping to the surface in which the tool includes conduits for pumping water into a venturi throat, a generally concentric bottom inlet to...	06/30/1981
4257723	Device for sucking up solid materials or objects A device for sucking up solid objects, such as manganese modules, from the sea bed having a suction tube within which the density of the water is reduced by feeding in to said tube form-retaining light objects by means of a vertical supply conduit filled ...	03/24/1981
4253255	Automated dredging with vacuum assist A pressure displacement dredging system capable of effective and efficient operation, without surging, over a wide depth range and under varying bottom conditions, comprises a submersible dredging head including at least three pressure vessels each having...	03/03/1981
4217709	Submarine sand sampler A subsurface sampler which obtains samples of sand from offshore deposits. A 27 foot tube within a tube is lowered to the ocean floor while suspended from flotation tanks. The sampler is free of suspension cables and thus is detached from boat motions. Su...	08/19/1980
4165571	Sea sled with jet pump for underwater trenching and slurry removal The sea sled includes a pair of pontoons mounting depending rollers for straddling a pipeline disposed on the sea bottom. Water jets fluidize the sea bottom to form a trench in which the pipeline settles. The slurry formed by the water jets is removed fro...	08/28/1979
4149739	Dual passage pipe for cycling water to an undersea mineral aggregate gathering apparatus A dual passage string of pipe for use in cycling fluid from a ship to an undersea mineral aggregate gathering apparatus. The string of pipe is made up of sections of concentric inner and outer pipes. The outer pipes are screwed together and the inner pipe...	04/17/1979
4147450	Fixed dredge cleanout means A generally horizontal pipe extends across the bottom of a waterway to be dredged and, in some embodiments is connected to a suction pump at or below the low water level. Lateral passageways are distributed along the length of the horizontal pipe with a n...	04/03/1979
4143921	Slurry input for a multiple feed sump An input for a sump for uniformly distributing material along the length of the sump has a support mounted above and along the length of the sump with a flexible pipe extending over the sump and moveably attached to the support. One end is connected to a ...	03/13/1979
4127950	Bottom jetting device The invention relates to a device for removing material from a submerged surface. The apparatus has a liquid manifold which supports downwardly directed liquid jets to dig or remove material and upwardly directed liquid jets to impel the removed material ...	12/05/1978
4070061	Method and apparatus for collecting mineral aggregates from sea beds A dragged or self-propelled unit has drag shoes or other means to dislodge nodules from the sea bed into a duct which may be associated with nozzles to project fluid against the nodules. The duct increases substantially in cross-section, thereby slowing t...	01/24/1978
3975842	Method and apparatus for dredging employing a transport fluid flowing in substantially closed recirculating course Dredging or suction of a soil suspension from the sea bottom is effected through a suction conduit connected with a suction head enclosure resting on the sea bottom, there concurrently being supplied to the suction head enclosure and through a separate co...	08/24/1976

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Class 37/322 - With downstream directed jet nozzle