Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
05/1993
05/19/1993EP0542394A1 Stirring apparatus for improving ground
05/19/1993EP0541813A1 Wire saw excavator, cut-off wall or landslide protection construction constructed thereby and construction method thereof
05/19/1993EP0344167B1 Corner guard system having a replaceable corner tooth
05/19/1993DE4140755C1 Vertical shaft excavator for digging, loosening and/or loading - has holding bake with bracket with vertical main axis, round which swivels slewing arm
05/19/1993CN1072232A Automatic cleaning principle and apparatus for riverbed sludge by means of water flow
05/19/1993CA2080989A1 Hole digger
05/18/1993US5210964 Method of constructing mounds from earth
05/11/1993US5209001 Trenching machine with longitudinally stabilized main frame for stabilizing digging implement
05/11/1993CA1317604C Device for evacuating excavated material for making deep tranches
04/1993
04/29/1993WO1993005242A3 Soil implement
04/21/1993EP0537695A1 Method for removing and setting sediments, sludge or other materials from/to the underwater ground and device therefor
04/20/1993US5203101 Digging chain vibratory system
04/20/1993US5203100 Offset ditcher with chain drive
04/20/1993US5203099 Self-powered, submersible dredge apparatus
04/15/1993WO1993005243A3 Suction dredger
04/13/1993US5201127 Self metering ballast system
04/13/1993CA1315996C Method and equipment for laying an elongated element underground
04/06/1993US5199197 Wear resistant offset sidebar chain
04/06/1993US5199195 Articulated toothed excavating apparatus
04/01/1993WO1993006311A1 Excavating apparatus
03/1993
03/30/1993US5197822 Emplacement of foraminous piping in non-cohesive subsoils
03/23/1993US5195865 Rapid interchangeability device for earth-moving devices carrying vibrators
03/23/1993US5195260 Pipeline padding apparatus
03/18/1993WO1993005242A2 Soil implement
03/17/1993EP0532490A1 Dredger for removing mud without stirring up sludge and/or other sediments
03/16/1993US5193938 Method and apparatus for laying pipe
03/06/1993WO1993005243A2 Suction dredger
03/06/1993CA2095630A1 Suction dredger
03/03/1993CN2127724Y Scraping ditching plastic-laying machine
03/03/1993CN2127701Y Small sludge-removing vessel
03/02/1993US5190409 Buried cable removal apparatus
03/02/1993US5189817 Crumber mechanism for a trencher machine
02/1993
02/16/1993US5185899 Apparatus for sludge removal
02/09/1993US5184933 Mini-size universal hydraulic excavator
02/02/1993US5184293 Apparatus for automatic depth control for earth moving and grading
02/02/1993US5183160 High volume padding machine
01/1993
01/27/1993EP0524470A2 Milling tool adapted for excavating
01/27/1993CN1068382A Excavator for forming underground continuous wall
01/21/1993WO1993001392A1 Rotary cutter for extracting hard rock
01/21/1993WO1993000789A1 Ditch excavator
01/19/1993US5179793 Floating dredger
01/13/1993EP0522765A2 Excavator for forming underground continuous wall
01/13/1993EP0521978A1 Rotary rockwheel assemblies.
01/12/1993US5178484 Apparatus to prepare a road surface
01/07/1993EP0521032A1 Improvements in fluid-based excavating.
01/06/1993CN1067697A Efficient energy-saving staight-door cleaning apparatus with rolling rakes
12/1992
12/30/1992CN2126255U Screwing-bucket type dredger
12/29/1992US5174686 Pipe-laying apparatus
12/29/1992US5174685 Flexible pipe laying and covering apparatus
12/25/1992WO1993000483A1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers
12/25/1992CA2090242A1 Apparatus and method for cutting soil and in situ construction of subsurface containment barriers
12/23/1992WO1992018707A3 Method and apparatus for dredging sludge
12/23/1992CN2125614U Impact claw awl head
12/16/1992EP0518298A1 Milling device for slits and milling method
12/16/1992EP0518297A1 Excavation equipment and method to control the rate of advance of an excavation tool
12/16/1992EP0518293A1 Frame for a milling device for slits with pressure compensation for the bearing closures
12/16/1992EP0518292A1 Hose piping with several parallel hoses
12/10/1992WO1992021826A1 Wire saw excavator, cut-off wall or landslide protection construction constructed thereby and construction method thereof
12/10/1992DE4110722A1 Suction dredging system for waterway - has crane deployed suction head which feeds slurry into vessel mounted separation tanks, where silt is stored for water collection
12/09/1992EP0382726B1 Process and device for dredging silt in ports, waterways and the like
12/03/1992DE4117686A1 Rotary cutting tool for excavation work - has blades arranged over body formed from two truncated cones such that spoil is led behind tool head
12/02/1992EP0516009A1 Jet connected to a device to increase the water depth of a watercourse
12/02/1992EP0515595A1 Self-contained shim pack assembly
12/01/1992CA1310988C Offset attachment sidebar chain
11/1992
11/26/1992WO1992020871A1 Multipurpose utility vessel
11/24/1992US5165192 Caterpillar-driven excavating machine equipped with a separate working tool
11/24/1992CA1310490C Resonantly driven earth mover
11/19/1992EP0514019A2 A vibratory plough assembly
11/19/1992DE4115907A1 Cable plough for laying cables underground - has cutting wheel lowerable to cut ground before plough blade acts
11/17/1992US5163780 Method of modifying the soil permeability for septic systems
11/10/1992CA1309982C Apparatus and method for forming and compacting planting mounds
11/03/1992US5160034 Vibrating bucket screen for beaches
10/1992
10/30/1992WO1992019820A1 Conservation apparatus
10/30/1992CA2102100A1 Conservation apparatus
10/29/1992WO1992018707A2 Method and apparatus for dredging sludge
10/29/1992WO1992018701A1 Improvements in or relating to underwater excavation apparatus
10/29/1992WO1992018698A1 Device for trimming road-edges
10/21/1992EP0509934A1 Method for guiding a digging tool during the excavation of a trench wall, and digging tool to be used in the method
10/20/1992US5155928 Method and tool for performing seabed excavation
10/20/1992CA2066359A1 Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process
10/19/1992CA2066377A1 Vibratory plough assembly
10/07/1992CN1065114A Water-energy mud-removing system in reservoir
10/01/1992DE4110781A1 Liquefaction dredging of harbour - using ship towing pipe with pump and water jet arrangements
09/1992
09/30/1992CN2117401U High effective energy-saving rotary rake soil-shifting machine
09/29/1992US5150986 Process and apparatus for depositing silt on the bottom and slopes of the wet open working or dredging
09/23/1992CN1018381B Method and equipment for laying underground elongated members
09/22/1992US5148615 Dredging apparatus
09/08/1992US5144760 Powered vehicle for driving under power along the ground
09/08/1992CA1307121C Automated positioning/drawing system and method of use
09/03/1992DE4142083A1 Ground cable laying plough - has hydraulic cylinders for adjusting angle and inclination of plough blade
09/03/1992DE4142082A1 Ground cable laying plough depth control - using pivoted sensor detecting position of plough blade mounting relative to ground surface
09/03/1992DE4142043A1 Ground cable laying plough torque compensation system - uses steering cylinders between outrigger arm for plough blade and tractor device
09/03/1992DE4142041A1 Ground cable laying plough blade inclination setting device - uses rotary fixings providing blade angle inclined to normal to ground surface
08/1992
08/06/1992WO1992012615A1 Method and device for soil cultivation
07/1992
07/29/1992EP0496481A2 Soft excavator
07/23/1992DE4138619A1 Soil etc. exhauster with loose material accumulator - which has connecting branch for soil suction tube, coupling branch for suction line, and jib holder
07/15/1992EP0494197A1 Control method and control equipment for drilling apparatus.
07/15/1992EP0494196A1 Tunnel drilling apparatus and method to remove drill waste.
07/08/1992EP0493459A1 Drilling apparatus and method for its control
07/08/1992CN1062574A Self-suction placer mining dredge
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