Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
05/2013
05/08/2013CN103088860A Double-winch suspension device
05/08/2013CN103088859A Deep groove double-arm excavator
05/08/2013CN103088858A Hill cutting saw
05/08/2013CN103088857A Intelligent excavation broken-type loader
05/08/2013CN103088853A Mining intelligent type pneumatic roadway dinting device
05/08/2013CN102359135B Grooving wall-forming drill bit for underground continuous wall
05/07/2013US8437924 Performance-based haulage management system
05/02/2013WO2013061075A1 Steerable underwater trenching apparatus
05/02/2013WO2013061073A1 Underwater trenching apparatus
05/02/2013WO2013061006A1 Device for raising sediment from the bottom of the sea
05/02/2013CA2852826A1 Steerable underwater trenching apparatus
05/02/2013CA2852825A1 Underwater trenching apparatus
05/01/2013EP2585368A1 Submersible vehicle for dumping rocks
05/01/2013CN202913441U Underwater silt remover
05/01/2013CN202913440U Novel screen bucket
05/01/2013CN202913439U Cable burying machine
05/01/2013CN202913438U Novel diaphragm wall grab
05/01/2013CN202913436U Pneumatic mud/sand sucking boat
05/01/2013CN202913435U Broken loading roadway repairing machine for coal mine
05/01/2013CN103074912A Round disc soil-cleaning device
04/2013
04/25/2013WO2013056306A1 Shoring box system and method
04/24/2013EP2582915A1 A system for seafloor mining
04/24/2013CN202899197U Remote controlled submersible sucking type underwater cleanout vehicle
04/24/2013CN202899196U Active drag head provided with controllable water diversion windows
04/24/2013CN202899195U Hydraulic propeller thruster for riverway dredging engineering machinery
04/24/2013CN202899194U Main buoyancy tanks of riverway dredging engineering machinery
04/24/2013CN202899193U Trenching mechanism on trenching machine
04/24/2013CN202899192U Submarine pipeline ditching machine
04/24/2013CN202899185U Ultra-deep suspended type movable grilling
04/24/2013CN202899184U Bucket special for sludge
04/24/2013CN103061372A Single-input single-output vertical speed reducer for cutter suction dredger reamer
04/24/2013CN103061368A Flexible pipe guiding device and piling machinery
04/24/2013CN103061367A Four-saw grooving machine
04/18/2013WO2013055748A1 Remote variable adjustment of ripper shank depth
04/18/2013US20130092405 Vibratory ripper having pressure sensor for selectively controlling activation of vibration mechanism
04/18/2013US20130091744 Ditch Digger
04/18/2013US20130091743 Machine attachment based speed control system
04/18/2013CA2792087A1 Vibratory ripper having depth adjustable ripping member
04/17/2013CN202883530U Dynamic reversing power compensatory device of hydraulic quartering hammer
04/17/2013CN202882001U Bulldozer and bulldozer scarifier
04/17/2013CN202882000U Multifunctional riverway dredging cleaning device
04/17/2013CN202877224U In-situ contaminated soil repairing device integrating chemical feeding, excavating, crushing, stirring and mixing into one
04/17/2013CN103046600A A lubricating apparatus for contact piston of hydraulic breaker
04/17/2013CN103046599A Double-screw hole forming machine
04/17/2013CN103046598A Horizontal rotating suspension bracket for grab bucket
04/17/2013CN103046597A Flat bottom trenching machine
04/17/2013CN103046551A Dumping method for vibratory pile hammer
04/17/2013CN102359136B Accurate automatic excavating device for model test
04/12/2013CA2792200A1 Ditch digger
04/11/2013US20130087354 Remote variable adjustment of ripper shank depth
04/10/2013CN202866513U Door lifting device of hopper barge
04/10/2013CN202865891U Novel water conservancy project silt exhaust equipment
04/10/2013CN202857307U Compass laser positioning multifunctional yam harvester
04/10/2013CN103038447A A system for seafloor mining
04/10/2013CN103031869A Vertical plastic spreading and film placing device
04/10/2013CN103031868A Multi-arm trenching machine
04/10/2013CN103031867A Chain type groove making machine
04/10/2013CN103030073A Multifunctional crawler-type crane
04/10/2013CN102182218B High-frequency breaking hammer
04/10/2013CN102168444B Four-tool-arm slotting machine
04/10/2013CN101806081B Cutting bit for slotted wall cutter
04/04/2013DE202013100879U1 Baggerarm, und Grabenräumungsbagger Excavating, clearing and grave diggers
04/03/2013CN202851485U Continuous wall grab bucket rubber tube follow-up hydraulic system
04/03/2013CN202850077U Hydraulic trench excavator
04/03/2013CN202841872U Hand punching drill
04/03/2013CN103015479A Biological dredging platform and method
04/03/2013CN103015478A Square hole forming machine
04/03/2013CN103015477A Clay groove forming machine
04/03/2013CN103015476A Four-wheel drive eccentric wall-building machine
04/03/2013CN103015475A Double-arm groover
03/2013
03/28/2013WO2012167170A3 Lubricated soil mixing systems and methods
03/28/2013WO2012163865A3 Improved heads for dredging
03/27/2013CN202831031U Scarifier tooth and engineering machinery car with the same
03/27/2013CN202831030U Crushing head of navvy for earthwork punning
03/27/2013CN202831029U Excavator ripper
03/27/2013CN202831028U Multifunctional vibration hammer
03/27/2013CN202831027U Novel vibration hammer
03/27/2013CN202831026U Frog-style floating dredging assembly
03/27/2013CN202831025U Closed type grab bucket
03/27/2013CN202831024U Mining height-adjustable silt-cleaning vehicle
03/27/2013CN202831023U Novel digging bucket applied to excavator
03/27/2013CN202831022U Guide device and continuous wall working device
03/27/2013CN202831021U Amphibious chain-bucket furrowing machine for mudflat and shallow water area in marine pipeline laying
03/27/2013CN202828022U Combined dredging ship
03/27/2013CN102995691A Device and method for collecting Enteromorpha
03/27/2013CN102995690A Pile hole verticality and section calibration mechanism and construction method thereof
03/27/2013CN102995689A Pond digging tool for telegraph poles
03/27/2013CN102995688A Groove sawing machine of double circular mill
03/27/2013CN102995687A Efficient cable burying machine
03/27/2013CN102995686A Pool dredging system
03/27/2013CN101809231B Apparatus for storing and applying fluid product
03/20/2013CN202809683U Mobile type grab bucket trash remover
03/20/2013CN202809682U Seawall silt remover
03/20/2013CN202809681U Hydraulic grab transmission device
03/20/2013CN202809680U Ditcher
03/20/2013CN202809675U Support arm structure of movable trash remover
03/20/2013CN102979129A Servo device of trenching machine pipe coiling system
03/20/2013CN102979128A Loose wheel-type slot-making machine
03/20/2013CN102979127A Push-pull rotational trenching machine
03/20/2013CN102979126A Dual-segment slotting machine frame
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 67