Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
12/2007
12/12/2007CN200988974Y Digging machine for separating blast furnace slag water content
12/12/2007CN200988973Y Rotary digging head
12/12/2007CN200988972Y Zero position regulator for hydraulic continuous wall crab bucket double oil cylinder link rod
12/12/2007CN200988971Y Zero position regulator for hydraulic continuous wall crab bucket oil cylinder link rod
12/12/2007CN200987262Y Furrow opener cutter disc
12/12/2007CN100354483C Saltpeter-shovelling and collecting machine
12/11/2007US7306405 Boring appliance
12/06/2007US20070277405 Control system for an electronic float feature for a loader
12/05/2007EP1861549A1 A method for automated freeze dredging
12/05/2007CN200985520Y Hard drawing type cable direct-burried machine
12/05/2007CN200985519Y Cable direct-burried machine
12/05/2007CN101082217A Excavation method of vertical hole
11/2007
11/29/2007WO2007136356A1 System for removal of sludge from water reservoirs and water surfaces
11/28/2007CN101078222A Multifunctional water surface algae removing machine
11/21/2007CN200978436Y Ditcher for methane tank
11/21/2007CN200978435Y Sand pumping device
11/21/2007CN101074564A 锯式开槽机 Saw-style slot machines
11/14/2007CN200974983Y Little car on mobile type grab bucket grate sewage sewerage machine
11/14/2007CN200974982Y Diving dredge pump
11/14/2007CN200974981Y Vertical screw type cable trench digger
11/08/2007WO2007126220A1 Excavator combined with lateral surface cutter
11/08/2007CA2646608A1 Udd dragline bucket
11/07/2007CN200971515Y Double-disc milling type ditching and desilting machine
11/07/2007CN101068987A Method and device for navigating excavation towards a buried target
11/06/2007US7290360 Excavation apparatus
11/06/2007CA2331023C Cost-effective cutting device
11/01/2007US20070252411 Construction machine with articulated running gear
10/2007
10/31/2007EP1849922A1 Vehicle for installing a cable in a ground formation
10/31/2007CN200967997Y Double cylinder directly controlling grab bucket
10/31/2007CN200966212Y Front-mounted round disc trenching machine
10/24/2007CN200964600Y Riverway bottom sift and garbage cleaning device
10/24/2007CN200964599Y Vibrated grab bucket formation machine
10/24/2007CN101058983A Excavation device
10/24/2007CN101058982A Small chain-type ditching machine
10/23/2007US7284345 Milling device for floors, rock, excavated material or other material
10/18/2007DE112005003046T5 Grabenzieher-Führung via GPS Grave Topcoat guidance via GPS
10/17/2007EP1845204A2 Vehicle
10/17/2007EP0973976A4 Apparatus and method for removing silt from under a body of water
10/17/2007CN200961273Y Underground passage dredging apparatus
10/17/2007CN200961272Y Spiral milling cutter for ditcher
10/17/2007CN200961271Y Float type light silt and sand sucking machine
10/17/2007CN200960518Y Mechanization cleaning device for oil storage tank bottom silting mud
10/10/2007CN101050635A Movable hydraulic grab bucket type mud cleaner
10/09/2007US7278228 Hinged tooth
10/07/2007CA2572214A1 Post hole digger
10/04/2007US20070227050 Triple edge trenching axe
10/03/2007CN200955163Y Water-energy dredging ship
10/03/2007CN200955162Y River-dredging screw propeller harassing sand device
10/03/2007CN200955161Y Caterpillar-walking type spiral cutter-suction water producer
10/03/2007CN101046099A Self descending unit on track beam
10/03/2007CN101046095A Automatic soil eliminating construction apparatus for deep foundation groove
09/2007
09/26/2007CN200952145Y Ditching machine
09/25/2007CA2361768C Arrangement for the breaking up of outer layers of the ground
09/19/2007EP1834521A1 Multifunctional machine for nursery gardening
09/19/2007CN200949422Y Rod-pit drilling rod
09/19/2007CN200949237Y Rudder having wings
09/19/2007CN101037867A Moveable above water sand sucking work platform
09/18/2007CA2278446C Steerable underwater plow
09/12/2007CN200946281Y Automatic optical cable placing device
09/12/2007CN100336985C River channel silt cleaning method and equipment thereof
09/11/2007CA2482570C Apparatus for establishing adjustable depth bed in trenches for utility lines and encasing the lines
09/06/2007US20070204489 Earthmoving device with materials handling improvements
09/05/2007EP1828493A2 Excavating machine for rocky and other soils
09/05/2007EP1627114B1 Method for automatically profiling ground in waters
09/05/2007CN200943213Y Knife type mine earth composite ditching chain
09/05/2007CN101029495A Supply belt
08/2007
08/29/2007EP1824576A1 Apparatus for separating particulates from a fluid stream
08/29/2007EP1348057B1 Ballast removal method and apparatus
08/28/2007US7260902 Jack for a working implement and method
08/28/2007CA2318961C Steerable underwater plow with movable body member
08/22/2007CN1333138C Underground continuous wall construction method and excavating machine for underground continuous wall
08/16/2007WO2007090240A1 Method and apparatus for collecting and/or removing sludge
08/16/2007US20070186451 Rotation-type working machine
08/16/2007CA2641042A1 Method and apparatus for collecting and/or removing sludge
08/15/2007EP1055032B1 Bucket
08/15/2007CN2934365Y Floating box pedrail self-regulating chain type synchronous four-drive amphibian hydraulic excavating and cutting machine
08/14/2007US7255512 Trench filling device
08/08/2007CN2931583Y Trencher
08/07/2007US7252039 Ballast discharge car
08/01/2007CN2928962Y 抓斗 Grab
08/01/2007CN2928961Y Improved vertical pit swing tube machine
08/01/2007CN2928960Y Driving sleeve structure of rotary digging drilling machine
08/01/2007CN2928959Y Ditching machine
07/2007
07/30/2007CA2576357A1 Ground warming heater and method and system relating thereto
07/30/2007CA2534790A1 Backplate to attach implements to a skid steer loader
07/25/2007EP1811218A1 Method and device for underground laying of membrane tubes
07/24/2007US7246456 Linked mode for a multi-axis machine control
07/19/2007WO2007079527A1 Wear part attachment system
07/18/2007CN100999902A Network integrated monitoring system of suction hopper dredger
07/10/2007US7240743 Soil probe insertion arrangement and method of use
07/04/2007CN1990962A Underwater digging chain
06/2007
06/30/2007CA2829555A1 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material
06/30/2007CA2571632A1 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material
06/28/2007US20070144042 Systems and methods for controlling the removal of soil from an earth moving scraper
06/27/2007CN1986979A High pressure pipe dredging structure
06/20/2007CN1322205C Trenching method and apparatus
06/19/2007CA2370661C An apparatus for laying underground electric cables
06/14/2007WO2007067252A1 Ripper operation using force vector and track type tractor using same
06/14/2007US20070134067 Padding machine and method of use
06/13/2007CN2911019Y Cutting cutter head for ditching machine
1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 ... 67