Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
11/2012
11/21/2012CN101864783B Hydrodynamic force automatic slit remover
11/20/2012CA2678906C Hose band connector
11/15/2012WO2012153169A1 Apparatus and method for the dredging of sediments from the seabed
11/15/2012WO2012151659A1 Ditching apparatus with divergent v-wing blade configuration
11/15/2012US20120288334 Digging Method and Assembly for Laying a Pipeline in the Bed of a Body of Water
11/15/2012US20120285051 Environmental Remediation System
11/15/2012CA2834705A1 Ditching apparatus with divergent v-wing blade configuration
11/15/2012CA2825501A1 Dredging apparatus and method for removing sediments from a water bed
11/14/2012CN202529750U Multifunctional arm head capable of achieving hoisting, bucket grabbing and dynamic compaction
11/14/2012CN102776910A Engineering machine for dredging and cleaning river course
11/14/2012CN102776885A Middle-stirring inverse-pulling method based pre-stressed centrifugal tubular pile sinking device, and pile sinking method
11/14/2012CN102124164B Method for delivering large quantities of under water soil to a reclamation area
11/14/2012CN102041823B Pipe laying machine
11/14/2012CN102041822B Pipelaying machine device
11/08/2012WO2012151378A1 Cutting chain
11/08/2012US20120282040 Sea bed levelling and consolidation system
11/08/2012CA2835020A1 Cutting chain
11/07/2012EP2520726A1 Device and method for removing material deposits from the reservoir of a hydrotechnical structure
11/07/2012CN202519723U Link plate for dredging vessel
11/07/2012CN202519722U Lifting device for cleaning mud in sighting tube
11/07/2012CN202519721U Digging bucket
11/07/2012CN102767200A Chain for one-step modeling machine of underground continuous retention wall
11/07/2012CN102767199A Groove wall milling device for one-step modeling machine of underground continuous retention wall
11/07/2012CN102061718B Coaxial counter-rotating vertical type grooving machine
11/01/2012WO2012148118A2 Submarine cable laying device
11/01/2012WO2012146730A1 Device for extracting solid material on the bed of a body of water, and associated method
11/01/2012US20120272552 Cutter head for dredging ground, cutter suction dredger provided with such a cutter head and use of the cutter head for dredging ground
11/01/2012US20120272551 Ditch Forming Implement
11/01/2012CA2833650A1 Device for extracting solid material on the bed of a body of water, and associated method
10/2012
10/31/2012EP2518217A1 Trench cutting machine
10/31/2012CN202509545U Scarifier and engineering machinery
10/31/2012CN202509544U Quartering hammer drill rod
10/31/2012CN202509543U Self-weight location pulley stop lever frame and erector arm
10/31/2012CN202509542U Power self-adaptive system for horizontal chain-knife integral wall cutting-forming device
10/31/2012CN202509541U Multifunctional grain overturning machine
10/31/2012CN102758462A Stem punching device for self-propelled trailing suction hopper dredgers and construction method thereof
10/31/2012CN102758461A Underground excavator
10/31/2012CN102758460A Cable trench excavating machine for integrated grounding engineering of high-speed railway
10/31/2012CN102756952A Hydraulic reel-pipe control system, continuous wall grab bucket and chambering drilling machine
10/31/2012CN102071714B Method and device for controlling expansion of hydraulic circuit of excavator
10/26/2012CA2776762A1 Ditch forming implement
10/25/2012US20120267128 Bulldozer
10/24/2012CN202500172U Grab bucket
10/24/2012CN202500171U High efficiency and non-pollution suction and jet sediment underwater classification and collection device
10/24/2012CN202500130U Transverse propelling mechanism of continuous wall slip frame
10/24/2012CN102747755A Silt removing machine for ditch outside ridges
10/24/2012CN102039016B Shovel for eliminating negative pressure adsorption force applied by marsh sludge
10/23/2012US8291993 Soil stabilizer with track apparatus
10/18/2012WO2012142446A2 Local dust extraction system for an excavation machine
10/17/2012EP2510161A1 A ripper boot including a male carrier and a replaceable female tooth
10/17/2012CN202492875U Anti-blocking device of pollution-absorbing head
10/17/2012CN202492874U Modified pneumatic notching drill
10/17/2012CN202492873U Sludge pumping machine and sludge shielding device applied to sludge pumping machine
10/17/2012CN202492872U Full-automatic multifunctional movable intelligent trash-cleaning machine
10/17/2012CN202488968U Ripping-ditching all-in-one machine
10/17/2012CN102733434A Method for dredging underwater polluted sediment
10/17/2012CN102733433A Hole-digging and poling all-in-one machine
10/17/2012CN102733432A Pressure fluid supply pipe supporting device
10/17/2012CN102733431A Method for excavating brine trench by using rotary drill
10/11/2012WO2012137175A1 Fluidified inert material spreading device for burying an underwater pipeline, and method of spreading fluidified inert material over an underwater pipeline
10/11/2012DE112011100063T5 Verlegemaschine Laying Machine
10/10/2012CN202482914U Hydraulic control excitation equipment for excavator
10/10/2012CN202482913U Force breaking device
10/10/2012CN202482912U Underwater desilting device
10/10/2012CN202482911U Spiral force-borrowing silt-breaking sand-blowing dredging device for river channels
10/10/2012CN202482910U Dredging buoyant apparatus structure
10/10/2012CN202482909U Self-propelled fine earth backfiller
10/10/2012CN202482907U Underwater sludge absorbing chamber
10/10/2012CN202482905U Hydraulic grab
10/10/2012CN202482903U Broken and raked material loading machine
10/10/2012CN102720234A Dredging machine
10/10/2012CN102720233A Reciprocating type mechanical harrow handle for long-narrow ditches and blind ditches
10/10/2012CN101768987B 液压破碎机 Hydraulic Crusher
10/04/2012WO2012134276A1 Vessel
10/04/2012US20120246978 Trencher assembly and associated accessories
10/03/2012CN202467844U Silo excavator
10/03/2012CN202466664U Quartering hammer for excavator
10/03/2012CN202466663U Vehicle-mounted special tool for bamboo and wood sheet unloading
10/03/2012CN202466662U Network monitoring system of cutter suction dredger
10/03/2012CN202466661U Conveniently assembled and disassembled continuous wall slippage frame structure
10/03/2012CN202466660U Chain knife type continuous wall chain wheel transmission mechanism
10/03/2012CN202466659U Hydraulic rotary grab bucket of piling machine
10/03/2012CN202466658U Control system for locus tracking travel of chain cutter type continuous wall equipment
10/03/2012CN202466566U Open hydraulic system for horizontal chain knife type integral wall cutting equipment
10/03/2012CN202466565U Driven wheel sealing structure of chain cutter type continuous wall
10/03/2012CN102713712A Method and device for introducing a pipe for optical cables into a solid laying foundation
10/03/2012CN102704521A Another making channel method of chain-type making channel machine
10/03/2012CN102704520A Supporting device for grab bucket, grab bucket and engineering plant
10/03/2012CN102704519A Underground concrete wall making machine
10/03/2012CN101942849B Silt extraction machine
10/02/2012DE202012008009U1 Exzenter Grabenrad mit exzentrischem außermittigem Antrieb und tiefhängendem Arbeitskreis-Radius Grabenrad eccentric eccentric off-center drive and low hanging working group radius
10/02/2012CA2644036C Drainage structure cleaning tool and method
09/2012
09/26/2012EP2501864A1 Digging method and assembly for laying a pipeline in the bed of a body of water
09/26/2012EP2501863A2 Permanent magnet direct drive drawworks
09/26/2012CN202450798U Movable submerged type building structure
09/26/2012CN202450564U Sludge absorbing and discharging pipe for mine sump
09/26/2012CN102691329A Marine underwater rotary-digging-type harvesting device
09/26/2012CN102691328A Hole forming device for soil nailing wall and hole forming method thereof
09/26/2012CN102691327A Shearing device for reverse circulating system of saw slotting machine
09/26/2012CN102691326A Multi-bit drill corrector
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