Patents
Patents for E02F 7 - Equipment for conveying or separating excavated material (1,526)
03/1986
03/18/1986US4575960 Dredge cutterhead
02/1986
02/18/1986US4571145 Combination handling and conveying apparatus
01/1986
01/29/1986EP0169199A1 Dredging apparatus.
01/14/1986US4564319 Flexible tube for conveying a mixture of a liquid and a solid material
01/14/1986CA1199307A1 Compact loader-trammer
11/1985
11/12/1985US4552084 Suction dredger
11/07/1985WO1985004916A1 Excavation apparatus
09/1985
09/25/1985EP0155869A1 Installation for the extraction of minerals from the sea-bed
09/17/1985US4541927 Environmental protection dredging system for separating solids and liquid
08/1985
08/27/1985US4537224 Rubber tube for dredging work
08/27/1985US4537223 Rubber tube for dredging work
08/07/1985EP0151101A2 Tractor-mounted excavator assembly
08/06/1985CA1191494A1 Material conveyor for use with a backhoe
08/06/1985CA1191488A1 Mobile loading apparatus and method
08/06/1985CA1191487A1 Continuous loading apparatus and method
06/1985
06/25/1985CA1189486A1 Heavy breaking giant excavating equipment
05/1985
05/21/1985CA1187341A1 Floating device comprising storage holds for bulk freight, such as a hopper dredge
04/1985
04/23/1985CA1185995A1 Floating dredge
04/09/1985CA1185290A1 Ball joint
04/02/1985CA1184870A1 Feeding device for a vertical tube conveyor
03/1985
03/19/1985US4505214 Dredged soil conveying vessel
03/12/1985US4503629 System for collecting and conveying undersea mineral resources
03/05/1985US4502405 Floating device comprising storage holds for bulk freight, such as a hopper dredge
02/1985
02/26/1985US4501446 Removal of fine-grained sediments from water bodies
02/05/1985US4497519 Metal particle recovery at sub-surface locations
01/1985
01/08/1985US4492302 For raising powder or particulate material
12/1984
12/18/1984US4488849 Power shovel
12/12/1984EP0127661A1 A float
12/04/1984US4486049 Heavy breaking giant excavating equipment
11/1984
11/06/1984US4480569 Container for ground material removed by a ground working device from the bottom of a watercourse
08/1984
08/16/1984WO1984003115A1 Dredging apparatus
08/15/1984EP0115677A1 A float
07/1984
07/31/1984US4462747 Material conveyor for use with a backhoe
07/10/1984US4458763 Soil stabilizer machine with recycler screen
07/10/1984CA1170467A1 Slurry trench method and apparatus for constructing underground walls
06/1984
06/07/1984WO1984002170A1 A float
05/1984
05/23/1984EP0109162A1 Compact loader-trammer
05/08/1984US4446636 Oceanic mining system
04/1984
04/25/1984EP0106412A1 Device for cleaning products
04/17/1984US4443030 Useful in dredging operations
11/1983
11/15/1983US4415207 Underspoil slurry haulage
11/08/1983US4413433 Apparatus for extracting muddy materials and feeding them to a treatment station
11/08/1983CA1156689A1 Submarine device for collecting modules on the seabed and for bringing them to the surface
10/1983
10/25/1983US4411079 Suction drag system
10/12/1983EP0091264A1 Submersible pumping equipment
10/05/1983EP0090113A2 Continuous loading apparatus and method
08/1983
08/30/1983US4401206 Arrangement for continuously excavating ground and conveying excavated earth in the vertical direction
08/23/1983US4399622 Fluid intake openings for a suction dredger
08/16/1983CA1151957A1 Suction dredger barge
08/09/1983US4397503 Auriferous gravel interceptor
08/02/1983US4395834 Method and apparatus for excavating trenches
08/02/1983CA1151078A1 Device for separating sand and/or gravel from water at the pipe outlet of dredging suction pumps, or for separating other granulated material from a fluid flow
07/1983
07/27/1983EP0084139A2 Device for handling bulk material
07/05/1983US4391468 Method and apparatus for recovering mineral nodules from the ocean floor
05/1983
05/11/1983EP0078549A1 Ball joint
04/1983
04/12/1983US4379672 Combination handling and conveying apparatus
04/05/1983CA1144190A1 Method for continuously excavating ground and conveying excavated earth in the vertical direction and an apparatus for carrying out said method
03/1983
03/22/1983US4377365 Pipeline padding machine and method
02/1983
02/22/1983US4374504 Suction dredger barge
12/1982
12/29/1982EP0067908A1 Container for ground material removed by a ground working device from the bottom of a watercourse
12/28/1982US4365577 Float module combination
12/28/1982US4365509 System and method for determining the well load of a hopper suction dredge
12/21/1982US4364434 Ground-raking, rock-gathering attachments for tractors
12/14/1982US4363725 Apparatus for removing gravel from excavated soil
12/07/1982CA1137122A1 Dredge for excavating holes or channels in a water bed
11/1982
11/09/1982US4357764 Submarine vehicle for dredging and raising minerals resting on the sea bed at great depths
08/1982
08/10/1982US4343098 Apparatus for mining nodules beneath the sea
08/04/1982EP0057167A1 Feeding device for a vertical tube conveyor
06/1982
06/29/1982US4336876 Mechanical handling apparatus for reclaiming material from a stockpile
06/29/1982US4336662 Apparatus for collecting and raising materials from the ocean floor
06/29/1982CA1126764A1 Device for collecting solid bodies on an underwater bed
06/02/1982EP0053063A2 Apparatus for extracting mud and for feeding it to a treatment station
05/1982
05/26/1982EP0052402A2 Suction drag system
05/04/1982US4328093 Device for separating granulated material from a fluid flow
04/1982
04/28/1982EP0050390A1 Flexible tube for conveying a mixture of a liquid and a solid material
04/13/1982CA1121756A1 Mechanical handling apparatus for reclaiming material from a stockpile
04/06/1982CA1121392A1 Auriferous gravel interceptor
03/1982
03/23/1982US4320590 Dredging device
03/10/1982EP0047041A2 Device for picking up elements, for example, of a pavement
02/1982
02/18/1982WO1982000486A1 Slurry trench method and apparatus for constructing underground walls
01/1982
01/06/1982EP0043321A1 Bulk material reclaiming apparatus
12/1981
12/29/1981US4307522 Land Grading Machine
12/29/1981CA1115436A1 Method of removing mud from mud-water suspensions
12/22/1981US4306364 Vertical excavating arrangement
12/01/1981US4303865 Cold cathode ion source
11/1981
11/03/1981CA1111870A1 Apron-conveyor connection for loading and conveying machines
10/1981
10/06/1981US4292747 Compressed air dredge
09/1981
09/15/1981US4289355 Attachment flange for flexible conduit
09/01/1981US4287432 Valve position detecting apparatus
08/1981
08/25/1981CA1107768A1 Scooper-excavator
08/18/1981CA1107308A1 Pivotable means for decreasing drag effects on a generally cylindrical dredge pipe
07/1981
07/28/1981US4280288 Modular draging unit for collecting solid bodies on an underwater bed
06/1981
06/30/1981US4275770 Wear resistant rubber hose
05/1981
05/13/1981EP0028586A1 Device for separating sand and/or gravel from water fed by a dredging suction pump, or for separating other granulated material from a fluid flow
05/05/1981US4265036 Bucket dredging and conveying system
04/1981
04/16/1981WO1981001024A1 Device for removing snow
04/14/1981US4261117 Dredging vessel
04/08/1981EP0026758A1 Device with several floating elements
04/07/1981US4259992 Flexible pipe section
03/1981
03/31/1981US4258486 Scooper-excavator
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