Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
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06/13/2004 | CA2446078A1 Trench-filling machine fitted with a crushing device |
06/10/2004 | WO2004048705A1 Trench forming and preparing apparatus |
06/10/2004 | WO2004016366A3 Method and system for laying pipe through the use of a plow |
06/10/2004 | CA2507723A1 Trench forming and preparing apparatus |
06/09/2004 | CN1503661A Control of process humidify to produce large porous particles |
06/08/2004 | US6745502 Rail mounted excavating unit and ballast storage vehicle |
06/03/2004 | DE10308539B3 Cutting device for cutting grooves in the ground comprises cutting elements arranged on the cutting wheels to remove soil using a rotary action |
06/02/2004 | CN2618953Y Crawler-type self walking underground horizontal tannelling machine |
06/02/2004 | CN1500943A Apparatus for stirring silt by stirring and floating and flowing carrying mud to dredge watercourse |
05/27/2004 | WO2004044470A2 Pipeline trench system and method of construction |
05/27/2004 | WO2004043832A2 Material handling apparatus and method for operating |
05/27/2004 | CA2503680A1 Material handling apparatus and method for operating |
05/19/2004 | CN2616575Y Novel structure of ground-connecting-awll grooving device by water-jet method |
05/13/2004 | US20040091347 Material handling apparatus and method for operating |
05/11/2004 | CA2106149C Apparatus and method for positioning a link |
05/04/2004 | US6729051 Front end loader retractable attachment |
05/04/2004 | US6729050 Control of excavation apparatus |
05/04/2004 | CA2225841C A method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain |
04/29/2004 | US20040079699 Forming mesh tubes; filling with biodegradable material; barrier |
04/28/2004 | EP1412583A1 Method and apparatus for cleaning a water area |
04/28/2004 | CN2613522Y Excavating mechanism for sewage well |
04/27/2004 | US6725579 Excavation apparatus |
04/21/2004 | EP1409797A1 Trenching machine |
04/21/2004 | CN1490472A Plate guided bucket boring process for site casting foundation piles |
04/21/2004 | CN1490471A Plate guided bucket excavator |
04/20/2004 | US6722816 Berm forming apparatus |
04/15/2004 | WO2003097946A3 Trencher |
04/15/2004 | DE202004000503U1 Opto-electronic system assisting positioning of pipes in pipeline laying by remote control, using wireless control and measuring data transmission, or cable transmission |
04/15/2004 | DE10243747A1 Verfahren und Vorrichtung zum Abbau von Bodenmaterial Method and apparatus for extraction of mineral material |
04/14/2004 | EP0912837B1 An auxiliary hydraulic power unit |
04/13/2004 | US6719494 Cable and pipe burial apparatus and method |
04/13/2004 | US6718660 Motorized road-going vehicle for making trenches in the ground |
04/13/2004 | US6718659 Material separating apparatus and method for using same |
04/07/2004 | CN1487152A Underground continuous trenches or ditches diggingmachine and digging method using the same digging machine |
03/31/2004 | CN2608565Y Device for removing under water mud and sand using high pressure water and compressed air |
03/31/2004 | CN1143922C Method and equipment for converting digged materials to trench padding |
03/23/2004 | US6708430 Trencher chain bar and safety guide |
03/17/2004 | CN1142347C Device and method for moving subsea rocks and sediments |
03/16/2004 | US6705029 Trenching machine |
03/11/2004 | WO2003023152A3 Apparatus and methods for trenching |
03/09/2004 | US6701647 Subsurface imaging system and method |
03/04/2004 | US20040040724 Landscape preparation apparatus |
03/04/2004 | DE10238193A1 Bohrgerät mit Betonförderung Drill with concrete Promotion |
02/26/2004 | WO2004016864A1 Excavating tool for hydraulic shovel |
02/26/2004 | WO2004016366A2 Method and system for laying pipe through the use of a plow |
02/26/2004 | US20040037652 Boring appliance |
02/25/2004 | EP1391561A2 Drilling apparatus |
02/25/2004 | CN1477265A Digger chain for removing ballast |
02/19/2004 | US20040031174 Method and system for laying pipe through the use of a plow |
02/11/2004 | EP1387908A1 Dampening apparatus |
02/05/2004 | US20040022585 Method and apparatus for accessing underwater cable or pipes |
02/05/2004 | DE10117110B4 Kolkbagger Kolkbagger |
02/04/2004 | EP1387010A1 Excavating chain for removing ballast |
02/04/2004 | CN1137317C Water injection technique for excavating ditch on sand-running ground |
01/29/2004 | WO2004009278A1 Ring saw drive device and cutting device with ring saw |
01/29/2004 | US20040016386 Device and method for bringing ashore or refloating a floating body |
01/29/2004 | US20040016152 Continuous ditch excavator |
01/29/2004 | DE10229435B3 Vorrichtung und Verfahren zum Verlegen von Rohren Apparatus and method for laying pipes |
01/28/2004 | CN2601268Y Chain-blade type optical cable excavator |
01/28/2004 | CN1471602A Trenching method and apparatus |
01/27/2004 | US6681868 Rip strip primary tillage system |
01/21/2004 | CN1135280C Ballast grading machine and working method for ballasting |
01/15/2004 | DE10226232A1 Verfahren zur Aufbereitung von Aushubmassen und Herstellen eines Bodenbaustoffes Process for the treatment of excavated material and producing a floor building material |
01/14/2004 | EP1379219A2 Large, porous particles produced controlling humidity during a spray draying process |
01/14/2004 | CN1467346A Extrusion, fetching, multi-branch perfusion pile drill |
01/14/2004 | CN1467344A Extrusion, soil fetching, multi-branch perfusion pile base |
01/14/2004 | CN1134574C Ditcher and digging method thereof |
01/06/2004 | US6671984 Ripper attachment for an excavation device |
01/06/2004 | CA2131588C Rubber tired railway plough |
12/24/2003 | CN2594324Y Profile gas suspension injecting rake |
12/16/2003 | US6662480 Bucket level |
12/11/2003 | WO2003102313A1 Apparatus for removing sediment and functional unit for use therein |
12/10/2003 | CN2591105Y Spouting, digging & draging multifunction dredge |
12/10/2003 | CN2591104Y Sleeve attaching rotary digging soil sampler |
12/09/2003 | US6658768 Trencher |
12/09/2003 | US6658767 Trenching method and apparatus |
11/27/2003 | WO2003097946A2 Trencher |
11/26/2003 | EP1365075A2 Device and method for bringing ashore or refloating a floating body |
11/25/2003 | US6651361 Compact machine for trenching and for installing cable, wire, tubing, and the like |
11/20/2003 | WO2003095750A1 Dampening apparatus |
11/20/2003 | US20030216092 Amphibious vehicle with submersible capacity |
11/18/2003 | CA2232519C Apparatus and associated method for padding a trench |
11/18/2003 | CA2179136C Lightweight adjustable track "power dozer" |
11/12/2003 | EP1007796B1 Improvements in or relating to underwater excavation apparatus |
11/06/2003 | WO2003091505A1 Ditch cutting and cleaning apparatus |
11/05/2003 | EP1359257A1 Drill and method for drilling the soil |
11/05/2003 | CN1453433A Motor-driven road running vehicle for digging ditch on ground |
11/04/2003 | US6640470 Mobile, in situ conditioning system using negative pressure gradient |
10/30/2003 | WO2003088734A2 Wing plow apparatus for attachment to a vehicle for carrying out a benching operation |
10/30/2003 | US20030201107 Utility device having an improved rotatable drive mechanism |
10/29/2003 | CN1452677A Device for opening narrow trenches and placing matching prefabricated elements |
10/29/2003 | CN1452676A Apparatus for accessing underwater cables or pipes |
10/28/2003 | US6637978 Method and a working machine for the laying cable, pipes or the like |
10/28/2003 | US6637135 Contaminated sediment removal vessel |
10/22/2003 | CN2581524Y Digging loading machine |
10/16/2003 | US20030192207 Wing plow apparatus for attachment to a vehicle for carrying out a benching operation |
10/15/2003 | EP1216330B1 Method and working machine for laying cables, pipes or the like |
10/08/2003 | CN2578396Y Sand conveying dredger |
10/02/2003 | WO2003080940A2 Trenching machine |
10/02/2003 | US20030183400 Dampening apparatus |