| Patents for E02F 7 - Equipment for conveying or separating excavated material (1,526) |
|---|
| 03/24/1981 | CA1098086A1 Dragline equipped with hopper means and loading means |
| 03/17/1981 | US4256342 Dragline equipped with hopper means and loading means |
| 03/03/1981 | US4253256 Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means |
| 03/03/1981 | US4253255 Automated dredging with vacuum assist |
| 02/24/1981 | US4252462 Chemical landfill |
| 02/10/1981 | US4250034 Transport conduit |
| 02/04/1981 | EP0023235A1 Dredged soil conveying vessel |
| 02/03/1981 | CA1094830A1 Sub-surface irrigation channel forming vehicles |
| 01/20/1981 | US4245932 Suction dredger and method of loading the same |
| 12/30/1980 | CA1092407A1 Grade trimmer |
| 11/12/1980 | EP0018891A1 Submarine vehicle for dredging and lifting minerals at a great depth |
| 11/11/1980 | CA1089500A1 Method of exploitation of a nodule deposit on a sea floor and a device for carrying out said method |
| 11/04/1980 | US4231172 Floating dredger and treatment plant |
| 11/04/1980 | US4231171 Method and apparatus for mining nodules from beneath the sea |
| 09/09/1980 | US4221505 Sub-surface irrigation channel |
| 08/12/1980 | US4216997 Grab excavator with fixed jib |
| 08/06/1980 | EP0014187A1 Device for receiving earth or the like during excavation works |
| 08/05/1980 | USRE30358 Hopper valve module for hopper dredge |
| 07/29/1980 | CA1082635A2 Apron attitude adjustment for loading and conveying machines |
| 07/15/1980 | US4212328 Wear resistant rubber hose |
| 07/08/1980 | US4211020 Vertically adjustable mast assembly for a dredge |
| 07/08/1980 | CA1081142A1 Linked suction or pressing-bag, tube or other tubular article |
| 06/03/1980 | US4206057 Dredging vessel |
| 05/20/1980 | CA1077893A1 Loading apparatus for mines |
| 05/13/1980 | CA1077531A1 Independent unit for the collection and upward transfer of nodules which rest on an underwater bed |
| 05/06/1980 | US4200999 Pivotable means for decreasing drag effects on a generally cylindrical dredge pipe |
| 04/08/1980 | US4196800 Apron-conveyor connection for loading and conveying machines |
| 04/08/1980 | US4196531 Independent unit for the collection and upward transfer of nodules which rest on an underwater bed |
| 03/18/1980 | CA1073840A1 Apron attitude adjustment for loading and conveying machines |
| 03/06/1980 | WO1980000333A1 Improvements in mechanical handling apparatus for reclaiming material from a stockpile |
| 02/20/1980 | EP0008231A1 Apparatus for excavating trenches |
| 02/20/1980 | EP0008230A1 Improvements in mechanical handling apparatus for reclaiming material from a stockpile |
| 02/05/1980 | CA1071152A1 Pivot pin assembly |
| 01/22/1980 | US4184581 Loading apparatus for mines |
| 01/15/1980 | US4183158 Conveyor folding and deflector operation for excavating and loading systems |
| 01/01/1980 | US4180927 Digging bucket cylinder powered ejector system |
| 10/30/1979 | US4172617 Suction dredger vessel and method of loading the hold of the same |
| 10/09/1979 | US4170079 Dredge with rotatable cutter discs |
| 09/25/1979 | CA1063069A1 Scraper elevator drive support with alignment adjustment |
| 09/18/1979 | US4167826 Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means |
| 08/14/1979 | CA1060221A1 Padding machines |
| 08/08/1979 | EP0003384A1 A dredgings transport conduit |
| 07/31/1979 | US4162584 Excavating wheel with cam assisted bucket wall ejector |
| 07/11/1979 | EP0002704A1 Method for removing mud from waters |
| 07/10/1979 | US4160618 Liquid agitator for hopper |
| 06/12/1979 | US4157956 Materials handling |
| 06/12/1979 | US4157623 Conveyor folding and moldboard operation for excavating and loading systems |
| 06/05/1979 | US4156977 Conveyor folding and moldboard operation for excavating and loading systems |
| 05/22/1979 | US4155491 Arrangement for transporting solid materials from the bottom of basins |
| 05/22/1979 | US4155181 Conveyor folding and moldboard operation for excavating and loading systems |
| 04/17/1979 | US4149739 Dual passage pipe for cycling water to an undersea mineral aggregate gathering apparatus |
| 04/17/1979 | US4149480 Hopper barge |
| 04/03/1979 | US4146982 Improved pump-type sludge dredging apparatus |
| 03/13/1979 | US4143921 Slurry input for a multiple feed sump |
| 03/13/1979 | CA1050466A1 Conveyor positioning structure for loading and conveying machines |
| 03/06/1979 | CA1050053A1 Dividing cutting machine |
| 02/27/1979 | US4141159 Method and apparatus for deep sea mining |
| 02/20/1979 | US4140437 Apparatus for the long distance conveying of liquids mixed with solid substances using a compressed air pump |
| 02/20/1979 | US4140344 Extraction of organic matter from marine sediment |
| 02/20/1979 | CA1048836A1 Machine for cutting away or peeling off road surfaces |
| 01/30/1979 | CA1047567A1 Expansion joints |
| 01/30/1979 | CA1047547A1 Conveyor folding and moldboard operation for excavating and loading systems |
| 01/30/1979 | CA1047546A1 Deep sea mining apparatus and method |
| 01/24/1979 | EP0000417A1 Suction dredger and method of loading the same |
| 12/20/1978 | EP0000075A1 Dredging vessel |
| 12/19/1978 | US4130209 Vehicles for taking on, transporting, and discharging a load |
| 10/31/1978 | CA1041561A1 Outside supports for excavating wheels |
| 09/26/1978 | US4116014 Excavating and pipeline installation system |
| 09/12/1978 | US4113402 Precision grader |
| 08/29/1978 | US4109336 Automated machinery to clean debris from roadside ditches, collect it and then transport the debris to a major collecting area for disposing |
| 07/18/1978 | US4101150 Expansion joints |
| 06/27/1978 | US4096957 Pivot pin assembly |
| 06/13/1978 | US4094548 Apparatus for conveying and separating loose material |
| 05/09/1978 | US4088236 Multiple use earth working machine |
| 04/25/1978 | US4085973 Ocean floor surficial dredging apparatus |
| 02/28/1978 | US4076313 Underwater recovery apparatus |
| 02/14/1978 | US4073080 Method of underwater hydraulic conveying for ocean mining and the like |
| 01/24/1978 | US4070063 Dividing cutting machine |
| 01/24/1978 | US4069605 Conveyor folding and moldboard operation for excavating and loading systems |
| 12/20/1977 | US4063375 Conveyor folding and moldboard operation for excavating and loading systems |
| 11/15/1977 | US4057917 Method of padding pipe |
| 10/25/1977 | US4055759 Signal device using percussive flashlamps |
| 10/25/1977 | US4055006 Deep-sea ore collecting and hoisting apparatus |
| 10/11/1977 | US4053181 Seabed mining utilizing circulating current based on water level differences |
| 10/11/1977 | US4052800 System for gathering solids from the ocean floor and bringing them to the surface |
| 08/16/1977 | US4041623 Grade cutting machine |
| 08/02/1977 | US4038764 Shearing excavator |
| 07/26/1977 | US4037981 Machine for cutting away or peeling off road surfaces |
| 07/19/1977 | US4036161 Underwater anchoring apparatus |
| 07/05/1977 | US4033470 Sand and gravel dredges |
| 06/21/1977 | US4030217 Two wheel excavating and loading system |
| 06/21/1977 | US4030216 Method of and apparatus for underwater hydraulic conveying, as for ocean mining and the like, and continued transport of material in controlled floating containers |
| 06/14/1977 | US4028821 Apparatus for dredging from the stern of marine vessels |
| 05/17/1977 | US4023518 Dredge pipe coupling system |
| 03/15/1977 | US4011937 Apron attitude adjustment for loading and conveying machines |
| 03/15/1977 | US4011936 Conveyor positioning structure for loading and conveying machines |
| 03/08/1977 | US4010560 Deep sea mining apparatus and method |
| 02/01/1977 | US4005755 Machine for rock removal and soil cultivation |
| 01/18/1977 | US4003148 Wheel excavator with pivotally mounted side cutting teeth |
| 12/28/1976 | US3999566 Method and apparatus for discharging overboard excess water from hopper of hopper suction dredger or barge or scow |