Patents
Patents for E02F 7 - Equipment for conveying or separating excavated material (1,526)
10/1998
10/29/1998DE19715358A1 Excavator bucket with sieve bars
10/28/1998CN1197138A High effect forced twisting sucker head
10/22/1998DE19715284A1 Underwater mineral recovery unit operated in conjunction with ship
10/08/1998WO1998044207A1 Method and device for dumping dredged materials
10/08/1998WO1998044206A1 Screening apparatus
10/08/1998WO1998044204A1 Apparatus and method for removing silt from under a body of water
10/08/1998WO1998044078A1 System and method for hydrate recovery
10/08/1998CA2285196A1 System and method for hydrate recovery
10/07/1998EP0869224A1 Method and device for dumping dredged materials
10/01/1998WO1998042922A1 Underwater mining machine
10/01/1998CA2285630A1 Underwater mining machine
09/1998
09/24/1998DE19711544A1 Mechanised sorting of soil for metallic debris
09/22/1998US5809670 Excavating machine with grooving device
09/17/1998DE19710936A1 Concrete mixing plant with two bucket aggregate feed system
09/03/1998DE19757383A1 Universal heavy construction machine
09/02/1998EP0648300B1 Apparatus
09/02/1998CN1191917A Universal heavy equipment
07/1998
07/21/1998US5782020 Method and equipment for simultaneous excavation and land refill with minimum operating labor
07/14/1998US5778568 Carry scraper ships
07/01/1998CN1186529A Block for mortarless construction of wall
06/1998
06/30/1998US5771612 Loader bucket sifting system
06/11/1998WO1998024983A1 Method and an arrangement for earth separation and loading
06/10/1998EP0846487A2 Apparatus for laying a layer of material
05/1998
05/20/1998DE19647340A1 Compost heap inverter assembly has two adjacent rotary skimmers
05/14/1998WO1998020208A1 Dredging method and dredging apparatus
04/1998
04/28/1998US5743030 Loader with screening device
04/22/1998EP0837192A1 Method and device for removing material from the seabed
03/1998
03/24/1998US5730501 Continuous track mounted, self propelled open cast mining apparatus
03/18/1998EP0828899A1 A block for the mortarless construction of a wall
02/1998
02/05/1998WO1998004783A1 Self-propelled surplus soil regenerating vehicle
02/04/1998CN1172196A Bucket dredger attack method
01/1998
01/29/1998DE19628420A1 Method for material breakdown
01/15/1998CA2210420A1 Method of operating a bucket wheel excavator
12/1997
12/17/1997EP0812240A1 Screening device and apparatus including same
12/11/1997WO1997046764A1 Construction machine
11/1997
11/13/1997WO1997041971A1 Self-propelled material-processing apparatus
10/1997
10/21/1997CA2092582C Trenching apparatus
10/15/1997CN2264760Y Sludge-collecting pump
10/09/1997DE19613202A1 Decontamination of radioactive contaminated ground
10/01/1997EP0798162A2 Self-loading vehicle with loading arm
09/1997
09/20/1997CA2200147A1 Loader with screening device
09/10/1997EP0793796A1 Device for recovering explosive objects buried in the ground
08/1997
08/13/1997EP0788844A1 Method for vertical displacement of masses, in particular soil masses and device therefor
07/1997
07/17/1997WO1997025488A1 Improvements in or relating to underwater mining apparatus
07/17/1997WO1997025486A1 Method of disintegrating and mixing soil and apparatus therefor
07/17/1997WO1997025485A1 Crawler type soil improving machine
06/1997
06/05/1997DE19541867C1 Device for lifting, lowering and levelling out booms of open-pit mining
06/03/1997US5634713 Pneumatic material transporter and mixer
05/1997
05/02/1997EP0512055B1 Soil separating apparatus and method
04/1997
04/15/1997US5619811 Device for handling material
03/1997
03/06/1997WO1997008397A1 Control device for soil improvement machine
03/06/1997DE19531581A1 Device for extraction of sand and gravel from underwater deposits
02/1997
02/27/1997DE19531474A1 Cutting and extraction equipment, for mining rock submerged in liquid
02/18/1997US5603171 Process and apparatus for suctioning off the solid material from waterbeds
12/1996
12/31/1996US5588536 For separating recoverable material from waste material
12/27/1996EP0750071A1 Device for cleaning and/or sifting materials
12/18/1996EP0642616B1 Excavator designed to draw volatile contaminants out of gas-permeable material
12/10/1996US5581916 Excavating, sieving and grading device for working crawler
12/05/1996WO1996038636A1 A block for the mortarless construction of a wall
12/04/1996CN1137092A Open cast mining apparatus
11/1996
11/19/1996US5575538 Rock saw with centerline conveyor assembly and method of digging a narrow trench
11/12/1996US5573363 Floating conveyor system
10/1996
10/15/1996US5564205 Excavating machine with stowable discharge conveyor
10/08/1996US5561922 Extrusion dredging apparatus
10/02/1996DE19512038A1 Floating grab dredger with catamaran floats
10/02/1996CN1032929C Method and system for pneumatic conveying of slurry
09/1996
09/24/1996US5558939 Copolymerization of polyetherpolyols with epoxy resins
09/06/1996WO1996026794A1 Screening device and apparatus including same
08/1996
08/28/1996CN1032634C Container for dewatering or packaging and transportation
08/22/1996DE19505042A1 Open cast mining machine with cutter drum
07/1996
07/31/1996EP0544806B1 Method and device for screening earth, gravel and the like
07/24/1996CN1127322A Hydraulic mining excavator
06/1996
06/19/1996CN2229474Y Chain belt soil thrower for trench excavator
05/1996
05/17/1996WO1996014553A1 Device for recovering explosive objects buried in the ground
05/17/1996CA2204533A1 Device for recovering explosive objects buried in the ground
04/1996
04/27/1996CA2169048A1 Open cast mining apparatus
04/17/1996CN2224864Y High pressure cement pump
03/1996
03/07/1996DE4431562A1 Method of preparing trench floor for laying pipeline
02/1996
02/20/1996US5491914 Bucket equipped with mixing device, excavation machine having the bucket, and soil improvement method using the excavation machine
02/15/1996DE4439617C1 Equipment for recovering explosive objects in ground
01/1996
01/18/1996DE4442135C1 Clearance device for moving soil
01/17/1996EP0692580A1 Excavating, sieving and grading device for working crawler
01/02/1996US5479726 For moving along one side of a pipeline ditch
11/1995
11/23/1995WO1995031614A1 Pipe system
09/1995
09/06/1995EP0670392A1 Method and device for coupling a circulation pipe to a suction dredger
08/1995
08/23/1995EP0668406A1 Method and device for sucking underwater soil
07/1995
07/12/1995EP0517849B1 Bucket assembly with screening function
07/11/1995US5431483 Submarine solution mining containment and regulation cover and method
06/1995
06/21/1995EP0658500A1 Crane machine
06/20/1995US5425188 For removing material
06/08/1995WO1995015421A1 Excavator/trailer combination
06/06/1995US5421108 High volume pipe padding machine
05/1995
05/11/1995WO1995012715A1 System for the exploration for and extraction of raw materials, minerals and the like in an underwater bottom
05/11/1995CA2175709A1 System for the exploration for and extraction of raw materials, minerals and the like in an underwater bottom
04/1995
04/26/1995EP0649973A2 Hydraulic excavator for shield tunneling machine
04/19/1995EP0648300A1 Apparatus
04/11/1995US5404988 Mobile connecting belt bridge for open pit mining
03/1995
03/28/1995US5401119 Process and apparatus for the disposal of waste materials
02/1995
02/16/1995DE4327426A1 Attachment for screening and filling earth materials
02/15/1995EP0456796B1 Installation for shifting won minerals
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