| Patents for E02F 7 - Equipment for conveying or separating excavated material (1,526) |
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| 08/26/2009 | EP1501760A4 Attachment for use with stockpiling barge and method of filtering runoff water therefrom |
| 08/19/2009 | CN201292544Y Borrow equipment for construction |
| 08/04/2009 | CA2404610C Apparatus for assembling a liner |
| 07/29/2009 | EP2082098A2 Excavation device |
| 07/22/2009 | CN201276713Y Dredging pipe floater |
| 07/08/2009 | EP2076629A1 Submergible densification cell, sediment separator and sediment densification method |
| 05/27/2009 | CN201245855Y Hydraulic dibhole digging machine |
| 05/20/2009 | CN201241349Y Mining plunger type dirt clearing apparatus |
| 05/20/2009 | CN101435197A Method for implementing rapid construction of pit earthwork at raining season |
| 05/06/2009 | CN101424082A Technique for building quick-speed consolidated platform near water by using clay under lake |
| 04/16/2009 | WO2009004343A3 Excavator vehicle |
| 03/24/2009 | US7506461 Screening, crushing or mixing bucket |
| 03/19/2009 | CA2699229A1 Soil or rock conditioning machine |
| 03/17/2009 | US7503134 Inclined slope vacuum excavation container |
| 03/12/2009 | WO2009013434A3 Device for extracting a material from the bed of a body of water and associated method |
| 03/04/2009 | CN201202477Y Sand suction stone tube telescoping device |
| 03/04/2009 | CN201202126Y Environment-protective desilting head and environment-protective desilting system therewith |
| 02/24/2009 | US7494314 Attachment for small skid steer loader |
| 02/12/2009 | US20090038186 Extendable frame work vehicle |
| 02/11/2009 | CN201193093Y Algae picking-up boat with roller screen |
| 02/05/2009 | US20090035110 Backfilling apparatus with dual telescopically positionable material dispensers |
| 01/29/2009 | WO2009013434A2 Device for extracting a material from the bed of a body of water and associated method |
| 01/14/2009 | EP2013422A1 Excavator |
| 01/08/2009 | WO2009004343A2 Excavator vehicle |
| 01/07/2009 | CN201176250Y Split type algae pick-up boat |
| 01/07/2009 | CN101338571A Hydraulic dibhole digging machine |
| 12/25/2008 | US20080315665 Apparatus for assembling a liner |
| 12/15/2008 | CA2591725A1 Longitudinal heap handling system and method |
| 12/09/2008 | US7461901 Method and means for processing oil sands while excavating |
| 12/03/2008 | CN101314950A Low concentration drain off system of harrow suction dredge boat |
| 11/26/2008 | CN201155118Y Water power-machinery integral sand-discharging device |
| 11/26/2008 | CN101311431A Method for separating water from sand in sand dredge |
| 11/20/2008 | WO2008138060A1 System and method for maximising solids concentration of slurry pumped through a pipeline |
| 11/11/2008 | US7448692 Method and means for processing oil sands while excavating |
| 10/30/2008 | WO2007149295A3 Lock for securing wear parts to earth-working equipment |
| 10/30/2008 | DE10131869B4 Verfahren zur Neutralisierung von Calciumhydroxid Ca(OH)2 in mit Kalk verbesserten Böden zur Verhinderung der puzzolanischen Reaktion Procedures for neutralization of calcium hydroxide Ca (OH) 2 in improved soils with lime to prevent the pozzolanic reaction |
| 10/22/2008 | EP1068015B1 Material processing plant |
| 10/15/2008 | CN100425774C Integral earthwork construction vehicle |
| 10/09/2008 | WO2008119137A1 Storage container |
| 10/02/2008 | WO2008061383A3 Excavation device |
| 09/24/2008 | CN100420792C Recycled material mixing machine |
| 09/12/2008 | CA2581607A1 Apparatus for transferring slurry |
| 08/21/2008 | US20080197689 Non-motorized gold mining apparatus |
| 08/13/2008 | CN201099870Y Self dredging conveyor |
| 08/13/2008 | CN100410490C High pressure water cutting refuse mine valuable metals recovering process and equipment thereof |
| 08/12/2008 | US7410220 Apparatus for assembling a liner |
| 08/05/2008 | CA2329045C Method and pulverizer for pipeline trench padding |
| 07/22/2008 | CA2281278C Method for filling voids with aggregate material |
| 07/16/2008 | CN201087434Y Desilting vessel with mud absorption device in deep water |
| 07/02/2008 | EP1320421B1 Bulk material processing apparatus |
| 07/02/2008 | CN101210421A Floatation type reservoir dredging method |
| 06/19/2008 | WO2008073495A1 Extracting gas hydrates from marine sediments |
| 06/18/2008 | CN101200907A Harrow-suction type dredging head breaking ground by high-frequency small-amplitude mechanical oscillation |
| 06/11/2008 | CN201071107Y Multifunctional rinsing boat |
| 06/11/2008 | CN101196008A Perpendicular style swing machine for cleaning chiseling article in underground pile hole |
| 06/04/2008 | CN101191338A Reservoir dredging device |
| 05/29/2008 | WO2008061383A2 Excavation device |
| 05/29/2008 | CA2666151A1 Excavation device |
| 05/21/2008 | CN201062364Y Digging stowage conveyer |
| 05/09/2008 | CA2610124A1 Mobile oil sands mining system |
| 05/07/2008 | CN101173522A Down-hole water warehouse coal slurry digging device |
| 05/02/2008 | CA2673597A1 Compact padding attachments |
| 04/23/2008 | CN100383347C Earthwork construction method |
| 04/16/2008 | CN201047088Y Sand water separating arrangement for sand excavation boat |
| 04/08/2008 | CA2453697C At the mine site oil sands processing |
| 03/06/2008 | WO2008025106A1 Submergible densification cell, sediment separator and sediment densification method |
| 03/06/2008 | CA2662061A1 Submergible densification cell, sediment separator and sediment densification method |
| 03/05/2008 | CN201031403Y Vertical suction and spray dredging boat |
| 02/27/2008 | CN101130995A Excavator and sand dredger |
| 02/05/2008 | US7326020 Multi-purpose vessel and method for recovering, storing and/or offloading material in a dredging operation |
| 01/24/2008 | DE102006033835A1 Assembly to break and sieve coarse minerals e.g. rubble, stone, earth, excavated spoil has hopper with neck and rotor |
| 01/23/2008 | CN201010916Y Ore shovel loader used in laneway |
| 01/16/2008 | CN201007007Y Digger |
| 01/15/2008 | US7318627 Recovery head with track seal |
| 01/09/2008 | CN201003181Y Delaminated extraction apparatus for reservoir and pond |
| 01/08/2008 | CA2488615C Screening laying box |
| 12/27/2007 | CA2652603A1 Lock for securing wear parts to earth-working equipment |
| 12/25/2007 | US7310896 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material |
| 12/19/2007 | CN100355993C Long distance conveying and drag reducing method for sludge |
| 12/12/2007 | CN100354482C Dredging head in vibratin mode and application apparatus |
| 11/21/2007 | EP1857598A1 Suction dredger provided with an improved dredging tube |
| 11/14/2007 | CN200974984Y Self-floating type PE pipeline for dredge |
| 10/24/2007 | CN200964600Y Riverway bottom sift and garbage cleaning device |
| 10/17/2007 | EP0973976A4 Apparatus and method for removing silt from under a body of water |
| 10/17/2007 | CN200961274Y Air-tight device for dredging ship siphon and suction port |
| 10/11/2007 | US20070236075 Apparatus for assembling a liner |
| 10/04/2007 | WO2007111668A2 Gas hydrate material recovery apparatus |
| 10/03/2007 | CN200955161Y Caterpillar-walking type spiral cutter-suction water producer |
| 09/07/2007 | WO2007099319A1 Excavator |
| 09/05/2007 | CN101029494A Mineral shovel loader for lane |
| 09/04/2007 | US7264713 Apparatus, system and method for remediation of contamination |
| 08/29/2007 | EP1348057B1 Ballast removal method and apparatus |
| 08/21/2007 | CA2366916C Screening apparatus |
| 08/15/2007 | EP1055032B1 Bucket |
| 07/18/2007 | CN2923509Y Automatic water-bloom removing ship |
| 06/30/2007 | CA2571632A1 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material |
| 06/28/2007 | US20070145810 Gas hydrate material recovery apparatus |
| 06/20/2007 | EP1798345A2 Bucket for loader vehicles |
| 06/14/2007 | US20070134067 Padding machine and method of use |
| 05/09/2007 | CN2898111Y Hydraulic excavator with rolling-path supporting arm |