| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
|---|
| 11/22/2006 | CN1865608A Anti-block pool cleaning device |
| 11/22/2006 | CN1865607A Moving high-performance cleaning system for ecological water body |
| 11/22/2006 | CN1865606A Rapid cleaning system for ecological water body |
| 11/21/2006 | CA2236390C A grinder mixer assembly |
| 11/21/2006 | CA2233922C Method and apparatus for burying cable in a railway bed |
| 11/16/2006 | WO2005106137A3 Excavation apparatus and method |
| 11/15/2006 | CN2837390Y Groove milling machine |
| 11/08/2006 | CN2835359Y Machine-loading device for underwater digging |
| 11/08/2006 | CN1860271A Digger cuttertooth replacing robot on a dredger |
| 11/08/2006 | CN1283522C Fast separation type dredger |
| 11/02/2006 | US20060245831 Plow blade with water passageway and method of constructing same |
| 11/01/2006 | CN1282805C Method for building a diaphragm wall in the ground,trench wall cutter and trench wall cutting apparatus |
| 10/31/2006 | US7128375 Method and means for recovering hydrocarbons from oil sands by underground mining |
| 10/25/2006 | CN2830520Y Vehicle rotary digging drilling machine |
| 10/25/2006 | CN2830518Y Dibhole clearing machine |
| 10/25/2006 | CN1851161A Permanent local water bottom dredge desilting method |
| 10/25/2006 | CN1851160A Cutter head type ditching machine |
| 10/19/2006 | US20060233615 Underground cable laying apparatus |
| 10/19/2006 | US20060230646 Sidewalk grader apparatus and method |
| 10/19/2006 | US20060230645 Method and apparatus for satellite positioning of earth-moving equipment |
| 10/18/2006 | EP1711045A1 A turf cutter/de-compactor/trencher |
| 10/18/2006 | CN2828153Y Groover |
| 10/12/2006 | US20060225310 Work machine alignment system and method of maintaining alignment of a work machine |
| 10/12/2006 | US20060225308 Foundation construction device for making trenches in soil |
| 10/11/2006 | EP1709256A2 Marine backhoe dredge |
| 10/11/2006 | CN2825753Y Hole making device with impact shovel for winch |
| 10/11/2006 | CN1844595A Foundation construction device for making trenches in soil |
| 10/11/2006 | CN1844589A Static mud protecting wall type drilling and boring process employing rotary drilling rig |
| 10/11/2006 | CN1279249C Crawler-type under water ecological precision thin layer slurry dredger |
| 10/10/2006 | US7117951 Landscape preparation apparatus |
| 10/05/2006 | WO2006105454A2 Trench wall ripper apparatus |
| 10/05/2006 | CA2602859A1 Trench wall ripper apparatus |
| 10/04/2006 | CN2823340Y Weather ditching device |
| 10/03/2006 | US7114271 Cutting tool for digging trenches, and enabling the cutter head to be changed quickly |
| 10/03/2006 | CA2151101C Apparatus and process for the installation of an underground telecommunications cable |
| 09/27/2006 | CN2820964Y Optical cable buried ditching and laying device |
| 09/27/2006 | CN1837516A High-speed ditching machine |
| 09/24/2006 | CA2502185A1 Logging system |
| 09/21/2006 | WO2006098686A1 A method for automated freeze dredging |
| 09/21/2006 | DE102005011964A1 Universalgerät und Anbauklassierer Universal device and Anbauklassierer |
| 09/20/2006 | CN2818565Y Sand lift with rotary impeller in water or underwater |
| 09/20/2006 | CN2818564Y Multifunctional electric cyclone digging driller |
| 09/19/2006 | CA2474406C Underground cable or conduit installing apparatus and method |
| 09/13/2006 | CN2816143Y Sludge-sand removing apparatus for river reservoir |
| 09/13/2006 | CN1831250A Construction technology of dry soil taking hole forming method of rotary digging drilling machine |
| 09/13/2006 | CN1274908C Method and system controlling mud. sand migration using wave flow action |
| 09/12/2006 | US7104726 Trench filling device |
| 09/06/2006 | CN1827922A Screen type dust cleaner for coarse particles and dust |
| 09/06/2006 | CN1273692C Rapid soil sampling apparatus for grouting pile hole |
| 09/05/2006 | US7101116 Cable or pipe retrieval and burial apparatus and methods |
| 08/31/2006 | WO2006089368A1 Hydraulic attachment for skid-steer loaders |
| 08/31/2006 | US20060193697 Rod pushing and pulling machine |
| 08/31/2006 | US20060191168 Multi-motor drive system for a work machine |
| 08/31/2006 | DE102005007554A1 Digging roller and rotational type digging device has tools arranged in two patterns which distribute dug earth to either side of digger |
| 08/30/2006 | CN2811406Y Walking type rotary drilling machine |
| 08/29/2006 | US7096609 Trencher unit |
| 08/24/2006 | DE102006007820A1 Displacement manipulator for positioning pipes has receiving mandrel able to move along its longitudinal axis |
| 08/23/2006 | CN2809181Y Three claw type lever pressing hole-forming tubular drill |
| 08/22/2006 | US7093383 Automatic hydraulic load leveling system for a work vehicle |
| 08/17/2006 | US20060182591 Material handling apparatus and method for operating |
| 08/17/2006 | US20060179690 Working unit control apparatus of excavating and loading machine |
| 08/15/2006 | US7090433 Underground cable laying apparatus |
| 08/09/2006 | CN1814921A High-speed ditcher |
| 08/08/2006 | US7086808 Method and apparatus for on-grade boring |
| 08/08/2006 | US7086184 Subsoiling grapple rake |
| 08/03/2006 | US20060171781 Pipeline trench system and method of construction |
| 08/01/2006 | US7083734 Suction pipe connected to dredging equipment working underwater; fluid flow retarded as it passes through sedimentation basin; separation of humus and sludge; purification |
| 08/01/2006 | CA2174011C Hydraulic control system providing proportional movement to an attachment of a power machine |
| 07/27/2006 | DE29924750U1 Cleaning appliance for river and lake bottoms allows sufficient for sedimentation of water and sludge for easy processing of sludge |
| 07/27/2006 | DE202006003169U1 Add-on device for a farming tractor for forming drainage ditches comprises a frame joined to a cutting roller via a bearing block and a coupling unit for coupling to the front and rear side of a lifting rod of a hydraulic mechanism |
| 07/27/2006 | DE19651594B4 Vorrichtung und Verfahren zum automatischen Rütteln von Arbeitsteilen von Motorbaufahrzeugen Apparatus and method for automatic shaking working parts of Motorbaufahrzeugen |
| 07/26/2006 | EP1681913A2 Earth scraper with track apparatus |
| 07/26/2006 | CN2799676Y Hydraulic subaqueous ridger |
| 07/26/2006 | CN2799674Y Channel deposits cleaning apparatus |
| 07/26/2006 | CN1266348C Cutting device for cutting trenches in the ground |
| 07/20/2006 | US20060156589 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material |
| 07/19/2006 | EP1234079B1 Ploughs |
| 07/19/2006 | CN1265063C Mud starting device capable of automatically adapting tide |
| 07/18/2006 | US7077346 Snow and/or ice liquefier |
| 07/18/2006 | US7077216 Earth scraper with track apparatus |
| 07/18/2006 | US7076895 Apparatus and method for suction and discharge of material |
| 07/18/2006 | CA2372678C 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 |
| 07/13/2006 | US20060151187 Rear chassis for a grader |
| 07/13/2006 | US20060150445 Underwater sediment management |
| 07/12/2006 | EP1679131A1 Device for preparation of excavated material |
| 07/12/2006 | CN2795301Y Anti-sand sediment device |
| 07/12/2006 | CN1800521A Chain type digger for self-propelled sea cable burying machine |
| 07/12/2006 | CN1800520A Water-spraying digger for sea cable burying machine |
| 07/05/2006 | CN2793168Y Sewage-collecting operation boat for narrow river channel |
| 07/05/2006 | CN2793167Y Pressurized and liquefied sand conveyor |
| 07/05/2006 | CN1798895A Air-assisted loading bucket scraper and air-assisted loading methods |
| 07/04/2006 | US7069675 Power tilt apparatus |
| 07/04/2006 | US7069674 Hydraulic circuit for backhoe |
| 07/04/2006 | US7069673 Hybrid construction equipment power control apparatus |
| 06/28/2006 | CN2791119Y High-speed ditching machine |
| 06/22/2006 | WO2006065292A2 Trencher guidance via gps |
| 06/21/2006 | EP1670994A1 Digger cuttertooth replacing robot on a dredger |
| 06/15/2006 | WO2006063166A2 Excavating machine for rocky and other soils |
| 06/15/2006 | US20060129334 Trench forming and preparing apparatus |
| 06/15/2006 | US20060123673 Grading control system |