Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
06/2007
06/13/2007CN1978799A Ditch water flow desludging device
06/13/2007CN1978798A Ditch water flow suspension solid filtering equipment
06/06/2007DE202007004595U1 Anbauverdichter Mounted compactors
06/06/2007CN1974957A Air bag antisilting up structure
06/06/2007CN1320219C Controlled floating setlling sand stirring device
05/2007
05/30/2007CN2905911Y High-speed slot milling machine
05/29/2007US7222444 Coordinated linkage system for a work vehicle
05/24/2007CA2528765A1 Apparatus for laying pipe into a trench
05/23/2007CN2903189Y Rack rake dipper and grasping beam two in one apparatus
05/23/2007CN2903188Y Cutter disc type drag opener
05/22/2007US7219452 Trench wheel apparatus and method of use
05/17/2007US20070110519 Culvert opening and cleaning apparatus
05/16/2007EP1595034B1 Rear chassis for a grader
05/16/2007CN2900631Y Contact type submersible jetflow spray type ditch digging machine
05/10/2007US20070102173 Soil stabilizer with track apparatus
05/09/2007CN1960625A A turf cutter/de-compactor/trencher
05/02/2007CN1955383A Cutting tooth for earth working equipment
04/2007
04/26/2007US20070089328 Hydraulic excavator with integrated magnetic cross-beam
04/18/2007EP1774107A1 Method and device for navigating excavation towards a buried target
04/18/2007CN1948635A River course dredging desilting screw propeller sand disturbing device
04/17/2007US7204047 Compact excavator
04/17/2007US7204046 Excavator sizing bucket
04/12/2007DE102006044551A1 Device for producing narrow trenches used in civil engineering comprises a support frame arranged opposite an interacting side of a tool and protruding over the outer periphery of the cutting or breaking single tools on one side
04/11/2007EP1214476B1 Vehicular arm assembly
04/11/2007CN2887964Y Underwater digger chain
04/11/2007CN2887963Y Parallel and slope pipe dredging device for reservoir
04/11/2007CN1944958A Multifunction sand recovering and beating machine
04/11/2007CN1944938A Rod-pit drilling rod
04/03/2007US7199723 Cable plow installation monitor method and apparatus
04/03/2007CA2412960C Slurry wall cutting device and suspension slide for it
03/2007
03/29/2007WO2006063166A3 Excavating machine for rocky and other soils
03/28/2007CN2883497Y Automatic soil throwing controller of rotary digging drill
03/28/2007CN1307350C Self-desilting and dredging method and apparatus for reservoir
03/20/2007US7192093 Excavation apparatus and method
03/20/2007US7192092 Method and means for recovering hydrocarbons from oil sands by underground mining
03/20/2007US7191853 Hole cleaning and/or forming tool
03/14/2007CN2878651Y Composite drill rod
03/14/2007CN1928262A Trench wall cutting structure
03/14/2007CN1928261A Groover
03/13/2007US7188440 Device and method for bringing ashore or refloating a floating body
03/07/2007CN2876192Y Floating self pressurized harrowing bucket sludge cleaning machine
03/06/2007US7186059 Padding machine and method of use
03/01/2007WO2007022579A1 An improved ripper boot
03/01/2007WO2006105454A3 Trench wall ripper apparatus
03/01/2007US20070044347 Method for making a trench wall in the ground, trench wall cutter, and trench wall cutting device
03/01/2007CA2619470A1 Ripper boot with removable tooth
02/2007
02/28/2007CN1302178C Dampening apparatus
02/27/2007US7182151 Apparatus and method for horizontal drilling
02/21/2007EP1753922A1 Excavating bucket and method for digging using such an excavating bucket
02/21/2007CN2871663Y Tractive dreging harrow on ship
02/21/2007CN1916300A Back and forth gradual type well borer
02/20/2007US7178273 Cutting device for cutting trenches in the ground
02/20/2007CA2349813C Mine backfill
02/14/2007EP1752583A2 Trench wall cutting apparatus and method for building a diaphragm wall in the ground
02/07/2007CN2866628Y Cutting and grinding ditching machine
02/06/2007US7172033 Culvert opening and cleaning apparatus
02/01/2007WO2007012141A1 Scarifier
02/01/2007CA2658879A1 Scarifier
01/2007
01/31/2007EP1330577B1 Trenching method and apparatus
01/31/2007CN2863914Y Well bore operation excavator
01/31/2007CN1904234A Knife type ore soil composite furrow making chain
01/31/2007CN1297729C A potholing method
01/30/2007US7168192 Driving device, particularly a lifting device for a working vehicle
01/30/2007US7168191 Service vehicle with a walk-through to the outside
01/30/2007CA2513867C Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance
01/24/2007CN1296573C Automatic desilting queue apparatus
01/17/2007CN2858422Y Small-sized ore loader for hole operation
01/17/2007CN1898446A Dampening apparatus
01/17/2007CN1295401C Motor-driven road running vehicle for digging ditch on ground
01/11/2007US20070006492 Dragline bucket rigging and control apparatus
01/11/2007US20070006491 Hydraulic control device for loader
01/09/2007CA2389331C Method and device for moving subsea rocks and sediments
01/04/2007US20070000156 Pipeline padding machine
01/03/2007EP1739238A1 Trenching machine
01/03/2007CN2853916Y Clamshell correct device
01/03/2007CN2853915Y Spring rotary rolling device
01/02/2007US7156582 Inspectable tunnel for underground pipes and cables
01/02/2007US7156185 Soil stabilizer with track apparatus
12/2006
12/28/2006WO2006136633A1 Channel-positioning machine
12/27/2006CN2851366Y Underwater dredging ship
12/26/2006US7152348 Excavation apparatus
12/26/2006US7152346 Method for making a trench wall in the ground, trench wall cutter and trench wall cutting device
12/21/2006DE102005039067B3 Conveyer belt assembly for copper ore stockpile in a leach production system has base section and intermediate standard extensions feeding head transfer unit
12/20/2006EP1444405B1 Trenching method and apparatus
12/20/2006CN2848948Y Lattice tool head
12/19/2006US7150115 All earth foundation trencher
12/12/2006CA2434378C Easy hold power auger
12/07/2006DE202006013343U1 Chute e.g. for continuous operating surface mining production equipment, is flat having rectangular straight guide plate and two side plates and has edge whose upper surface forms obtuse angle with guide plate
12/06/2006CN1873115A Instant disposal system for treating dirt of ecological water body
12/05/2006US7144202 Silt fence installation apparatus
12/05/2006US7143532 Marine backhoe dredge
12/05/2006CA2275578C Improvements in or relating to underwater excavation apparatus
11/2006
11/30/2006US20060269361 Apparatus for on-grade boring
11/30/2006US20060265915 Working machine
11/30/2006US20060265914 Work machine having boundary tracking system
11/30/2006US20060265911 Trench filling device
11/29/2006EP1725714A1 Adjustable width excavator bucket
11/29/2006CN1869338A Manhole pile enlarged foot and its safety construction method
11/28/2006US7140829 Device for displacing a revolving structure on a chassis and vehicle, e.g. a digger, having said revolving structure displacement
11/22/2006EP1723284A1 Dampening apparatus
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