| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
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| 06/21/2001 | WO2001044582A1 Snow groomer having an improved variable geometry tiller assembly |
| 06/20/2001 | CN1067455C Excovator data acquisition and control system and process |
| 06/19/2001 | US6247538 Automatic excavator, automatic excavation method and automatic loading method |
| 06/13/2001 | EP1012411B1 Method and device for dumping dredged materials |
| 06/13/2001 | CN1299429A Machine for performing work on land and/or in water |
| 06/12/2001 | US6244355 Isolation mount |
| 06/12/2001 | CA2120088C Trenchless replacement of smaller diameter lateral pipe sections |
| 05/31/2001 | WO2001038648A1 Methods and means of carrying off contaminated materials |
| 05/30/2001 | EP1103172A2 Hitch control system with adjustable slip response |
| 05/30/2001 | CN1297503A Method and pulverizer for pipeline trench padding |
| 05/29/2001 | US6238140 Method for laying tile or pipe underground |
| 05/29/2001 | US6237257 Clam bucket for use in pipeline padding |
| 05/23/2001 | EP1100999A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft |
| 05/23/2001 | DE19949678A1 Mower and litter clearing device, especially for verges, comprises jib mounted basis frame with vegetation removing and receiving devices |
| 05/10/2001 | WO2001033158A2 Blades for digging assemblies, related apparatuses and methods for use thereof |
| 05/10/2001 | WO2001032503A2 Method and device for moving subsea rocks and sediments |
| 05/09/2001 | CN2429567Y Deep narrow slot dredger |
| 05/09/2001 | CN1294234A Automatic dredging machine for river |
| 05/08/2001 | US6226903 Rotating disk type ditcher system |
| 05/03/2001 | DE19952656A1 Method of dredging waterways and lakes with the heavy material mechanically removed and the loose sediment removed via local settling tanks |
| 04/24/2001 | US6220786 Underwater burial apparatus |
| 04/24/2001 | US6219945 Excavating method |
| 04/19/2001 | CA2287120A1 A method of controlling a pipeline plow and a pipeline plow |
| 04/18/2001 | EP1092937A2 Enclosure for installation in the seabed |
| 04/11/2001 | EP1091047A2 Device and method for excavating deep trenches |
| 04/11/2001 | EP1089934A2 Apparatus and methods for placing and engaging elongate workpieces |
| 04/11/2001 | CN1290793A Submerged dredger |
| 04/10/2001 | US6216072 Hitch control system with adjustable slip response |
| 04/05/2001 | WO2001023709A1 Position determining device and method |
| 04/05/2001 | WO2001023677A1 Method and working machine for laying cables, pipes or the like |
| 04/05/2001 | DE19942472A1 Cartographic ally controlled water channel dredging method detects position of dredger during dredging operation for updating vector map of dredged water channel |
| 04/05/2001 | CA2385762A1 Position determining device and method |
| 04/05/2001 | CA2385360A1 Method and working machine for laying cables, pipes or the like |
| 04/04/2001 | EP1088137A1 Machine for performing work on land and/or in water |
| 04/03/2001 | US6209233 Safeway deep utility ditch cleaning machine |
| 03/29/2001 | WO2001021900A1 Ploughs |
| 03/28/2001 | EP1087064A2 Soil modifying machine |
| 03/28/2001 | CN2425136Y River bed sediment cleaning apparatus |
| 03/27/2001 | CA2138401C Process and tool for laying underground collector mains for liquids and gases |
| 03/20/2001 | US6202330 Excavation assembly, apparatus and method of operating the same |
| 03/15/2001 | WO2001018314A1 Vehicular arm assembly |
| 03/15/2001 | DE19936932A1 Three-wheel grave excavator with portal structure is for right-angled entry into cemeteries from narrow paths where different cemetery layouts and gravestone heights are involved |
| 03/14/2001 | EP0847462B1 Novel draining wall, method for producing same and element implementated thereby |
| 03/10/2001 | CA2282180A1 Multi-colored solid wood combination for decorative/furniture purposes |
| 03/06/2001 | US6196766 Apparatus for movement along an underground passage and method using same |
| 03/06/2001 | US6195922 Excavator data acquisition and control system and process |
| 03/01/2001 | DE10040032A1 Drainage vehicle for lawn surface has vehicle with surface cutting blades on rotary shaft and feeder tank for sand to fill slits |
| 02/27/2001 | US6193440 Railroad cable plow apparatus |
| 02/20/2001 | US6189244 Self-cleaning narrow ditch trencher and flexible tile installer |
| 02/15/2001 | WO2001011181A1 Automated lubricant dispensing system and method for a horizontal directional drilling machine |
| 02/14/2001 | EP1075571A1 Steerable underwater plow with movable body member |
| 02/14/2001 | EP1016761A4 Method for padding ground below a duct using excavated soil, device for realising the same, equipment for compacting soil below a duct and soil-compacting mechanism |
| 02/14/2001 | EP1013834A4 Machine for digging into the lower layers of the ground |
| 02/14/2001 | CN1062047C Floating push-press working auxiliary controller for hydraulic excavator common loading device |
| 02/13/2001 | US6186338 Self-propelled material-processing apparatus |
| 02/07/2001 | EP1073800A1 Submarine trenching vehicle and method |
| 02/06/2001 | US6183163 Method and apparatus for laying out a pipeline |
| 02/06/2001 | US6183159 Automotive soil treating machine |
| 01/31/2001 | CN1281924A Method for preventing and controlling reservoir sediment accumulation by using siphon principle |
| 01/23/2001 | US6176644 Pipe rehabilitation test mandrel |
| 01/17/2001 | EP1068404A1 Dredging apparatus |
| 01/16/2001 | CA2196828C Underwater cable burial machine using a single cable for towing and lifting |
| 01/16/2001 | CA2196818C Underwater cable burial machine having improved cable laying apparatus |
| 01/10/2001 | EP1016760A4 Machine for uncovering a pipeline and operating element |
| 01/10/2001 | EP0973977A4 An ejector mechanism for a silt removal excavating wheel |
| 01/10/2001 | CN1060550C Barged sled-type beach ditcher |
| 01/09/2001 | US6171030 Soil improving machine with excavating means |
| 01/04/2001 | DE19940875C1 Method for producing a pipe bed involves digging out trench and compacting lifted earth and shaping it to correspond to external contour of pipe which is then laid therein |
| 01/04/2001 | DE19928683A1 Arrangement for inserting pipe or cable into ground has lubricant dispenser on displacement device with outlet opening(s) for lubricant delivery to pipe and/or earth enclosing pipe |
| 01/04/2001 | DE19928682A1 Arrangement for laying a pipe or cable in the ground has sand feed device that delivers sand or rock similar to sand into channel with widening device forming passage in sand for pipe |
| 12/26/2000 | US6163987 Removable blade assembly for trencher machine |
| 12/21/2000 | WO2000077307A1 Mobile soil improving machine |
| 12/20/2000 | CN2411279Y Float-type hydraulic jet trenching machine for beach-sea pipe-line |
| 12/19/2000 | US6161630 Apparatus and method for controlling an underground boring tool |
| 12/19/2000 | CA2196836C Underwater cable burial machine having tripable plows |
| 12/14/2000 | WO2000075435A1 Mobile soil improving machine |
| 12/13/2000 | EP1058757A1 Method and machine for laying elongated structures, such as optical fibres |
| 12/12/2000 | US6158925 Apparatus for installing pipeline fill |
| 12/06/2000 | CN2409246Y Automatic ditcher |
| 12/06/2000 | CN1275663A Method for taking out mortar sediment from pool |
| 12/05/2000 | US6154988 Machine for digging under pipes and caterpillar traction device |
| 11/30/2000 | WO2000071822A1 Submarine plough |
| 11/29/2000 | EP1055033A1 Method for working through ground and rock layers with dredgers or excavators and apparatus operating according to this method |
| 11/29/2000 | EP1055032A1 Bucket |
| 11/28/2000 | US6152425 Boom mounted winch |
| 11/28/2000 | US6151811 Retractable assembly for trenchers and walk-behind power units |
| 11/22/2000 | EP1054111A1 Method and installation for carrying out operations under water |
| 11/21/2000 | US6149349 Apparatus and method for extracting and replacing buried pipe |
| 11/21/2000 | US6149348 Tool for burying hose |
| 11/21/2000 | US6148549 Machine for uncovering a pipeline and operating element |
| 11/09/2000 | WO2000006838A9 Dredging vessel and method for recovering, transporting and off-loading material |
| 11/08/2000 | CN1272571A River channel sand-flushing desilting method |
| 11/07/2000 | US6141892 Apparatus for limiting chain wear |
| 10/31/2000 | US6139225 Method for building an underground continuous wall |
| 10/31/2000 | US6139223 Trench filler |
| 10/31/2000 | US6138837 Combination screen/conveyor device removably attachable to a vehicle |
| 10/26/2000 | WO2000063500A1 An apparatus for laying underground electric cables |
| 10/25/2000 | EP1046204A1 Cable burial system |
| 10/25/2000 | CN2402732Y Tipping bucket type chain grooving machine |
| 10/12/2000 | WO2000060178A1 Method and apparatus for forming a trench underwater |