| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
|---|
| 11/17/2004 | CN2656501Y Multifunctional road surface trench digger |
| 11/17/2004 | CN1546809A Rapid borrow soil apparatus for cast-in-place pile hole |
| 11/11/2004 | US20040221999 Landscape preparation apparatus |
| 11/10/2004 | EP1475344A1 Guiding device for hydraulic hoses |
| 11/10/2004 | CN2654699Y Pneumatic sludge flushing device |
| 11/10/2004 | CN1175147C Submerged dredging machine |
| 11/09/2004 | US6813850 Continuous ditch excavator |
| 11/04/2004 | WO2004094894A2 Pipeline trench system and method of construction |
| 11/04/2004 | WO2004094886A2 Padding machine and method of use |
| 11/03/2004 | CN1174148C Construction-support method of underground continuous wall and construction support system and digging machine used thereof |
| 11/02/2004 | US6810609 Snow groomer having an improved variable geometry tiller assembly |
| 10/28/2004 | US20040211098 Excavator with trenching attachment |
| 10/28/2004 | US20040211092 Padding machine and method of use |
| 10/27/2004 | EP1471185A1 Soil modifying machine |
| 10/27/2004 | CN2651301Y Ditcher |
| 10/21/2004 | US20040208710 Apparatus and a method for constructing underground curved multisectional stratum and wall |
| 10/21/2004 | US20040205987 Fluid-assisted plow |
| 10/20/2004 | EP1468144A1 Milling device for floors, rock, excavated material or other material |
| 10/19/2004 | US6804903 Excavator with trenching attachment |
| 10/14/2004 | WO2004088198A2 Pipeline trench system and method of construction |
| 10/14/2004 | US20040200627 Plow blade with water passageway |
| 10/14/2004 | DE10358626A1 Building subsidence supporter is used for buildings with ground water subsidence and other risks and reduced risk to personnel |
| 10/14/2004 | DE10311918A1 Chamfering and sieving or milling apparatus for earthmoving equipment e.g. excavator, wheeled loader, has crusher roller that is provided with crusher elements, and grain sieve roller that may be provided with grain sieve components |
| 10/13/2004 | EP1467030A1 Underground pipe and cable gallery which can be inspected |
| 10/13/2004 | CN2647917Y Aquatic grass removing device |
| 10/13/2004 | CN1536175A Equipment for removing underwater silt by using high-pressure water and compressed air |
| 10/06/2004 | EP1303365B1 Recycled material and mixing machinery |
| 09/30/2004 | WO2004083536A1 Head for excavator mounted to power shovel |
| 09/30/2004 | US20040187365 Subsoiling grapple rake |
| 09/30/2004 | US20040187364 Subsoiling excavator bucket |
| 09/30/2004 | US20040187363 Ripper attachment for an excavation device |
| 09/30/2004 | DE10312043A1 Lining apparatus for supporting walls of trench, has lining plates separated by predetermined distance via expandable supports, and base plates that are raisable and lowerable relative to lining plates via guides and carriers |
| 09/29/2004 | CN2644524Y Road seepage control wall groove cutting machine |
| 09/29/2004 | CN1168888C Well drilling machine with shocking, grabbing, spading, planing and drilling heads |
| 09/22/2004 | CN2642844Y Device for digging ditch and pit |
| 09/21/2004 | CA2226152C Method and apparatus for backfilling padded underground structures |
| 09/16/2004 | DE10308538A1 Verfahren zum Herstellen einer Schlitzwand im Boden, Schlitzwandfräse und Schlitzwandfräsvorrichtung A method for making a trench wall in the ground, a trench wall cutter and trench wall |
| 09/15/2004 | CN1166839C Method and special apparatus for excavation of concealed grotto in solid model test |
| 09/14/2004 | US6789337 Screening apparatus |
| 09/14/2004 | US6789336 Laterally adjustable, low profile trench-digging machine |
| 09/10/2004 | WO2004076753A1 Apparatus for recovery of buried underwater cables |
| 09/09/2004 | US20040172865 Trencher unit |
| 09/09/2004 | US20040172864 Excavation apparatus |
| 09/09/2004 | US20040172857 Drum for an excavator that can be used in particular for the production of vertical trenches in hard of very hard soils |
| 09/02/2004 | WO2004073383A2 Subsoiling grapple rake |
| 09/02/2004 | WO2004073382A2 Subsoiling excavator bucket |
| 09/02/2004 | US20040168358 Underground utility detection system |
| 09/02/2004 | DE202004010828U1 Rake attachment for compact excavator has a tilt mounting on the end of the excavator arm and with a hydraulic tilt cylinder mounted on the back of the rake |
| 09/02/2004 | CA2515561A1 Subsoiling grapple rake |
| 09/01/2004 | EP1452686A1 Pick holder for bidirectional milling devices for building diaphragm walls |
| 09/01/2004 | EP1452645A1 Method for building a diaphragm wall in the ground and trench wall cutting apparatus |
| 09/01/2004 | CN1525016A Method for building a diaphragm wall in the ground,trench wall cutter and trench wall cutting apparatus |
| 09/01/2004 | CN1525015A Cutting device for cutting trenches in the ground |
| 08/25/2004 | CN1524146A Dampening apparatus |
| 08/25/2004 | CN1163376C Drilling well type twin-hull sand-rotating ship and operating method thereof |
| 08/19/2004 | WO2004044470A3 Pipeline trench system and method of construction |
| 08/19/2004 | US20040159614 Method and apparatus for cleaning a water area |
| 08/19/2004 | DE10238193B4 Bohrvorrichtung Drilling device |
| 08/12/2004 | DE10040032B4 Verfahren und Schlepper-Anbauaggregat zur Flachdrainage von Rasenflächen Procedures and tractor-growing unit for flat drainage of lawns |
| 08/11/2004 | EP1444405A1 Trenching method and apparatus |
| 08/11/2004 | EP1266098A4 Material separating apparatus and method for using same |
| 08/11/2004 | EP0972115A4 Overload protector mechanism for shield mechanism of excavating wheel |
| 08/11/2004 | CN2632160Y Silt starter for self-adaptive tide |
| 08/05/2004 | WO2004065700A1 Underwater sediment management |
| 08/05/2004 | US20040148823 Milling device for floors, rock, excavated material or other material |
| 08/05/2004 | US20040148820 Multi-shank ripper |
| 08/05/2004 | US20040148818 Continuous underground trench excavating method and excavator therefor |
| 08/05/2004 | CA2514065A1 Underwater sediment management |
| 08/04/2004 | EP1147265B1 Device for breaking up the outer layers of the ground |
| 08/04/2004 | CN2630322Y Pipeline paving and back-filling machine |
| 07/29/2004 | US20040146360 Device for digging narrow trenches and laying prefabricated tongued and grooved components |
| 07/29/2004 | DE202004003444U1 Rake with cleaning water supply for cleaning bottom of harbor or waterway and for salvaging munitions has connections to individual channels running from base to tip of individual tines |
| 07/29/2004 | DE10243747B4 Verfahren und Vorrichtung zum Abbau von Bodenmaterial Method and apparatus for extraction of mineral material |
| 07/27/2004 | US6766601 Trenching machine |
| 07/27/2004 | CA2282181C Improved plowshare |
| 07/27/2004 | CA2220413C A block for the mortarless construction of a wall |
| 07/23/2004 | CA2455695A1 Multi-shank ripper |
| 07/21/2004 | EP1055033B1 Method for working through ground and rock layers with dredgers or excavators and apparatus operating according to this method |
| 07/21/2004 | EP1007184A4 Method and system for cleaning a water basin floor |
| 07/21/2004 | CN2627067Y Zigzag type chain ditch excavator |
| 07/20/2004 | US6764139 System for and method of demolition |
| 07/20/2004 | US6763925 Self propelled backfilling apparatus |
| 07/15/2004 | WO2003080940A3 Trenching machine |
| 07/15/2004 | DE10259183A1 Hinterrahmen für Grader Rear frame for graders |
| 07/14/2004 | EP1437445A1 Milling drum for the making of vertical trenches |
| 07/13/2004 | US6761120 Row cleaner in combination of primary tillage shank system |
| 07/13/2004 | US6760983 Trenching equipment |
| 07/13/2004 | CA2280831C Machine for uncovering a pipeline and operating element |
| 07/08/2004 | WO2004057116A1 Rear chassis for a grader |
| 07/08/2004 | WO2004057115A1 Process and system for the installation of pipelines in shallow or very shallow water |
| 07/08/2004 | WO2003088734A3 Wing plow apparatus for attachment to a vehicle for carrying out a benching operation |
| 07/08/2004 | US20040128869 Trencher |
| 07/08/2004 | CA2454893A1 Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils |
| 07/01/2004 | WO2004055276A1 Apparatus for forming a trench in the surface of the earth |
| 07/01/2004 | WO2004043832A3 Material handling apparatus and method for operating |
| 07/01/2004 | US20040126191 Apparatus and a method for constructing an underground curvilinear and narrow structure in a ground that includes boulders |
| 06/30/2004 | EP1432877A1 Cable of pipe retrieval and burial apparatus and methods |
| 06/29/2004 | US6755701 Amphibious vehicle with submersible capacity |
| 06/22/2004 | US6751893 Nozzle mount for soft excavation |
| 06/16/2004 | CN2620727Y Dradging machine mechanism |