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