Patents
Patents for E02F 7 - Equipment for conveying or separating excavated material (1,526)
12/2000
12/21/2000WO2000077307A1 Mobile soil improving machine
12/14/2000WO2000075435A1 Mobile soil improving machine
12/12/2000US6158925 Apparatus for installing pipeline fill
11/2000
11/29/2000EP1055032A1 Bucket
11/20/2000CA2272485A1 Conveyor attachment
11/09/2000WO2000006838A9 Dredging vessel and method for recovering, transporting and off-loading material
11/08/2000EP1050630A2 Salt-collecting device
11/02/2000EP1048791A2 Segregator bucket
10/2000
10/31/2000US6138837 Combination screen/conveyor device removably attachable to a vehicle
10/31/2000US6138833 Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor
10/24/2000US6135290 Sifter attachment for excavating machines and the like
10/17/2000CA2306176A1 Segregator bucket
10/12/2000DE19915608A1 Bent piece system for connecting suction pipe with opening in hull of hopper dredger
10/03/2000US6126016 Screening device and apparatus including same
10/03/2000US6125558 High volume pipe padding machine
09/2000
09/28/2000WO2000056985A1 An apparatus for digging a trench
09/19/2000US6119790 Apparatus for laying a layer of material
09/06/2000EP1033170A2 Process and apparatus for reclaiming fine sand from a floating mining machine
09/06/2000EP1032734A1 Method for extracting and grading sand
08/2000
08/29/2000US6108995 Block for the mortarless construction of a wall
08/29/2000US6108945 Clam bucket for use in pipeline padding
08/24/2000WO2000049235A1 Method and pulverizer for pipeline trench padding
08/22/2000US6105785 Composite rollers for continuous-belt drilling mud separation unit
08/22/2000CA2116506C Suction dredger
08/09/2000EP0812240A4 Screening device and apparatus including same
08/02/2000CN1261550A Self walking soil processing machine
07/2000
07/27/2000DE19902133A1 Subsea exploitation of raw materials employs ship, suspended pumping system and central unit on sea bed with satellite recovery equipment, bringing sea bed or subsea resources to surface
07/05/2000EP1016761A1 Method for padding ground below a duct using excavated soil, device for realising the same, equipment for compacting soil below a duct and soil-compacting mechanism
06/2000
06/29/2000DE19860223A1 Opencast mining by excavators use bucketwheels for soft to medium and shovels for medium to hard interbedded ground using mobile crusher to size inclusions.
06/28/2000EP1012411A1 Method and device for dumping dredged materials
06/21/2000DE19858151A1 Excavator for ditches and embankments has a cutting attachment fitted to the arm of a conventional excavator and with adjustment to angle the cutting head
06/15/2000DE19941799A1 Continuous surface miner for mineral raw materials in sedimentary layers has three-track running gear connected by substructure frame with steering actuator, and superstructure with drive, cutter, and loading conveyor
05/2000
05/31/2000DE19954271A1 Overload safety system for suction tube of suction dredger consists of two separate units, of flanges and bolts under tension load, and flanges and bolts subject to bending momentum
05/31/2000CN2380616Y Self-floating type mud-discharging pipe
05/25/2000DE19941800A1 Drive and propulsion mechanism for cutter roll in opencast mining machine, has multi-section roll with drive units at both ends using internal roll flanges and external lateral supports
05/24/2000EP1002904A1 Excavator bucket
05/17/2000EP1000202A1 Underwater mining apparatus and method
05/11/2000DE19941802A1 Pick-up chute for open cast mining milling roller has shield board enclosing milling roller and with lower stripping edge and opening forming guide tunnel for transferring material to discharge belt
05/09/2000US6059119 Rock screed bucket
05/02/2000US6055750 Excavating machine with lift arm assembly
05/02/2000US6055749 Apparatus for padding underground conduits
04/2000
04/26/2000CN1251632A Apparatus and method for removing silt from under body of water
04/19/2000CN1251151A Method and device for dumping dredged material
04/05/2000CN1051131C Excavator for forming underground continuous wall
03/2000
03/28/2000US6041943 Adjustable grating pain rock sifter
02/2000
02/29/2000US6029378 Apparatus for padding underground conduits
02/10/2000WO2000006841A1 Material distribution vessel and method for distributing material recovered in a dredging operation
02/10/2000WO2000006840A1 Vessel and method for transporting and off-loading material recovered in a dredging operation
02/10/2000WO2000006839A1 Transportation system for dredged material and method of levy building
02/10/2000WO2000006838A1 Dredging vessel and method for recovering, transporting and off-loading material
02/10/2000WO2000006836A1 Pipeline padding machine and method
01/2000
01/26/2000EP0974702A2 Automotive soil treating machine
01/26/2000EP0973976A1 Apparatus and method for removing silt from under a body of water
12/1999
12/23/1999WO1999049976A3 Material processing plant
12/22/1999EP0965697A1 Method and apparatus for filling trenches
12/21/1999US6004023 Control apparatus for soil improvement machine
12/21/1999US6003952 Underwater mining machine
12/19/1999CA2275067A1 Trench-filling method and device
12/14/1999US6000641 Method of crushing and mixing soil and machine therefor
12/01/1999CN1237223A Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor
11/1999
11/23/1999US5988937 Crawler type soil improving machine
11/17/1999CN1235652A Dredging method and apparatus
10/1999
10/07/1999WO1999049976A2 Material processing plant
10/05/1999US5960570 Apparatus and method for removing silt from under a body of water
09/1999
09/14/1999US5950732 Useful for recovering liquid hydrocarbons from gas from hydrates of hydrate formation on an ocean floor
09/10/1999WO1999044758A1 Screening apparatus
08/1999
08/31/1999US5943797 Excavating machine with conveyor assembly
08/12/1999WO1999040263A1 Machine for displacing grindstones
08/10/1999US5934861 Collection of lumber pieces from spaced stacks
08/05/1999DE19803340A1 Open cast mining bucket wheel excavator with balance boom and track
08/04/1999CN2331708Y Mud conveying machine
07/1999
07/28/1999CN2330711Y Sludge discharging device for small dredge boat
06/1999
06/30/1999CN1043918C Hydraulic mining excavator
06/29/1999US5915885 Method for vertical displacement of masses underneath the earth's surface
06/16/1999EP0922812A2 Conveying system for a two-phase flow
06/10/1999DE19752596C1 Automatic stone extractor for rock winning machine
05/1999
05/27/1999WO1999025932A1 Method for extracting and grading sand
05/12/1999EP0915205A1 Soil improving machine with excavating means
05/12/1999EP0914525A1 Method and an arrangement for earth separation and loading
05/11/1999US5901790 Earth mover and attached vibratory screen
04/1999
04/28/1999CN2316343Y Mud separator
04/22/1999DE19806676A1 Float for pipes for washing loose material such as sand and gravel
04/07/1999EP0906778A1 Composite rollers for continuous-belt drilling mud separation unit
04/06/1999US5890304 Device for lifting, lowering and leveling booms of strip mining equipment
03/1999
03/04/1999WO1999010625A1 Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor
03/04/1999CA2269928A1 Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and systemtherefor
02/1999
02/25/1999DE19729737A1 Processor for material dredged esp. from water
02/23/1999US5873396 Sandbag-filling apparatus
02/18/1999WO1999007949A1 Underwater mining apparatus and method
02/11/1999DE19736390C1 Horizontal support table for open cast earth working
02/04/1999WO1998051760A3 Solidification and stabilization of dredged materials
01/1999
01/28/1999WO1999004107A1 Method and apparatus for transferring mud and silt
01/19/1999CA2028917C Floating dredger
01/12/1999US5857274 Method of operating a bucket wheel excavator
01/07/1999WO1999000556A1 Method for padding ground below a duct using excavated soil, device for realising the same, equipment for compacting soil below a duct and soil-compacting mechanism
01/07/1999CA2298466A1 The method for padding ground below a duct using excavated soil, device for realising the same, equipment for compacting soil below a duct and soil-compacting mechanism
12/1998
12/29/1998US5853264 Bridge, dock and pier shoring-up bulk-delivery floating conveyor unit
12/24/1998DE19726554A1 Excavator with rotating bucket wheel
11/1998
11/26/1998WO1998053148A1 Soil improving machine with excavating means
11/19/1998WO1998051760A2 Solidification and stabilization of dredged materials
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16