Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02F - Dredging; Soil-shifting › E02F 5 - Dredgers or soil-shifting machines for special purposes
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
10/2003
10/02/2003US20030182823 System for manually ground driving trenchers and other ground engaging machinery
10/01/2003EP1348057A1 Ballast removal method and apparatus
10/01/2003CN2576803Y River bottod silt stirring device
10/01/2003CN2576794Y Double-tooth raking toothed chain of dirt-removing machine
09/2003
09/30/2003US6626499 Device for breaking up the outer layers of the ground
09/30/2003US6625908 Apparatus for digging a trench
09/30/2003US6625907 Method and apparatus for dredging and transporting dredged solids
09/25/2003US20030177670 Trenching machine
09/23/2003US6622403 Backfill and grading apparatus
09/17/2003CN1443097A Recycled material and mixing machinery
09/15/2003CA2422079A1 Utility device having an improved rotatable drive mechanism
09/11/2003US20030167661 Ripper attachment for an excavation device
09/10/2003CN2571835Y Concrete core wall pouring machine
09/04/2003US20030164418 Recycled material and mixing machinery
09/03/2003EP1075571B1 Steerable underwater plow with movable body member
08/2003
08/27/2003CN1438392A Underground continuous digging machine and construction method thereof
08/21/2003WO2003069073A1 Method for creating lines for supply and discharge ducts
08/21/2003US20030155563 Hydraulic powered capstan attachment
08/14/2003US20030152428 Method and apparatus for on-grade boring
08/13/2003CN2565876Y Environmental protection porous pavement waterhole through device
08/06/2003EP0828899B1 A block for the mortarless construction of a wall
07/2003
07/31/2003WO2003062531A1 Milling device for floors, rock, excavated material or other material
07/31/2003US20030141088 Rip strip primary tillage system
07/31/2003US20030141087 Row cleaner in combination of primary tillage shank system
07/31/2003US20030141086 Soil surface tillage point in combination of primary tillage shank system
07/31/2003CA2441972A1 Milling apparatus for soil, rock, excavated material or other material
07/30/2003EP1330577A1 Trenching method and apparatus
07/29/2003CA2254096C Cutting tooth for earthworking
07/24/2003WO2003060242A1 Underground pipe and cable gallery which can be inspected
07/23/2003CN2561828Y 黏土钻 Clay drill
07/23/2003CN2561827Y Deep hole digging and taking-out device
07/22/2003US6595446 Soil modifying machine
07/22/2003CA2372330C Soil spreading scraper
07/17/2003WO2003058031A1 Positioning of mechanised mining apparatus
07/09/2003EP1325987A1 Device for opening narrow trenches and placing matching prefabricated elements
07/03/2003US20030123933 Berm forming apparatus
07/02/2003CN1112958C Self-propelled soil processing machine
07/01/2003US6584709 Simple to operate; maintains sludge level at steady state without adversely affecting solids removal efficiency
06/2003
06/26/2003US20030115780 Trencher chain bar and safety guide
06/25/2003EP1321583A1 Trench cutting device and bearing sledge therefor
06/25/2003EP1171670B1 An apparatus for laying underground electric cables
06/25/2003EP0842331B1 Method and apparatus for backfilling padded underground structures
06/25/2003CN2557596Y Automatic pile digging machine
06/19/2003WO2003050360A1 A hole cleaning and/or forming tool
06/18/2003EP1319761A1 Ditch cutting and/or cleaning apparatus and vehicle equipped with such an apparatus
06/12/2003WO2003048457A1 Method of constructing civil work bedding layer and bedding material for civil work
06/11/2003CN2555295Y Perforating machine for tamping concrete pile
06/10/2003US6574893 Method and system for supporting construction of underground continuous wall and excavator therefor
06/10/2003US6574819 Methods and devices for removing dew from grass areas such as golf courses
06/04/2003CN1110607C River channel sand-flushing desilting method
06/03/2003US6572306 Positioning signal or electrical transmitters in interior surfaces of subterrenean sewage or water conduits, confining with linings comprising thermosetting resins, hardening by heating
06/03/2003US6571492 Continuous ditch excavator
05/2003
05/30/2003WO2003044286A1 Trenching method and apparatus
05/28/2003EP1314825A1 Screening device for an excavator bucket
05/28/2003CN1420241A Profiling knock machine for digging hole in soil
05/28/2003CN1420240A Tubular driving machine
05/14/2003CN1108418C Excavation method
05/07/2003EP1046204B1 Cable burial system
05/06/2003US6557651 Automated lubricant dispensing system and method for a horizontal directional drilling machine
05/02/2003EP1305478A2 Method and device for moving subsea rocks and sediments
04/2003
04/29/2003US6553694 Winch attachment for backhoe machines
04/29/2003CA2266220C Concrete pulverizer with adjustable ripping element
04/24/2003US20030074812 Subsurface imaging system and method
04/24/2003US20030074810 Drilling apparatus for hard ground
04/24/2003US20030074809 Nozzle mount for soft excavation
04/24/2003DE20301312U1 Cemetery excavator, has support wheel at end of boom and can have hydraulic motor unit with drive wheels attached to it
04/23/2003EP1303365A1 Recycled material and mixing machinery
04/23/2003CN2546503Y Ditcher
04/22/2003US6550162 Sediment removal system
04/17/2003WO2003031963A1 Soil probe insertion arrangement and method of use
04/17/2003DE20300371U1 Mobile carriage for equipment serving for breaking up road surfaces, producing holes and ditches, and carrying out similar tasks comprises a framework carrying appropriate tools and auxiliary items
04/16/2003EP1301664A1 Underwater remotely operated vehicle
04/16/2003EP1301392A1 Device on a subsea vehicle
04/15/2003US6547337 Trencher with foldable rock saw wheel
04/15/2003US6547336 Open cast mining device and apparatus for testing the cutting minability of critical material
04/10/2003WO2003029568A1 Cable of pipe retrieval and burial apparatus and methods
04/10/2003WO2002085326A3 Large, porous particles produced controlling humidity during a spray drying process
04/10/2003US20030066664 Ripper assembly
04/10/2003CA2462678A1 Cable or pipe retrieval and burial apparatus and methods
04/09/2003CN2544084Y Percussion, grabbing, shovelling and planing tape head drill
04/09/2003CN1409814A Blade for dig assembly, and related apparatus
04/08/2003CA2162029C Method and apparatus for in situ soil remediaton
04/03/2003DE19936932C2 Dreirad-Grabbagger Tricycle grave digger
04/02/2003EP1298254A1 Method for preparation of self compacting back-fill material
04/02/2003CN2542816Y Axial integral opening rotary drilling digger
04/02/2003CN1407186A Trenching apparatus for pipeline laying
03/2003
03/27/2003WO2003024193A1 Subsoil tool
03/27/2003US20030056403 Method and vessel for treating an underwater bed
03/26/2003EP1100999B1 Method for laying data cables
03/26/2003CN2541523Y Hydraulic well excavating appts.
03/25/2003US6536143 Wide multiple-chain trenching machine
03/25/2003US6536142 Excavator for a ditch and excavating method therefor
03/25/2003US6536140 Soil spreading scraper
03/20/2003WO2003023152A2 Apparatus and methods for trenching
03/20/2003US20030051376 Snow groomer having an improved variable geometry tiller assembly
03/19/2003EP1292735A1 Trenching equipment
03/19/2003CN2540446Y Device for dredging
03/13/2003US20030046835 Excavating apparatus and methods for constructing underground walls
03/12/2003EP1291490A2 Excavating tool for rock, minerals etc
03/12/2003CN1401861A Method and special apparatus for excavation of concealed grotto in solid model test
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