| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
|---|
| 09/01/1983 | WO1983002969A1 A method of permanently improving the surface drainage from ground fields, preferably grass-covered fields, as well as an apparatus for use by the method |
| 08/31/1983 | EP0087361A1 Machine for cleaning or excavating ditches |
| 08/30/1983 | US4401206 Arrangement for continuously excavating ground and conveying excavated earth in the vertical direction |
| 08/23/1983 | CA1152341A1 Method and device for embedding cables or the like into an underwater ground |
| 08/17/1983 | EP0086050A1 Ditcher method and apparatus |
| 08/16/1983 | US4398607 Auger with adjustable wear plate |
| 08/10/1983 | EP0085122A1 Tool to fit to the self-moving tractor for cleaning the road edges |
| 08/09/1983 | US4397585 Apparatus for inserting foldable conduit below ground |
| 08/09/1983 | US4397106 Dredge bucket wheel structure |
| 08/03/1983 | EP0084991A1 Method and device for obtaining data relating to the position in a vertical plane of a flexible conduit during burying |
| 08/02/1983 | US4395834 Method and apparatus for excavating trenches |
| 07/26/1983 | US4395158 Method and apparatus for entrenching an enlongated under-water structure |
| 07/21/1983 | WO1983002471A1 Vibrator unit preferably for construction works |
| 06/29/1983 | EP0082168A1 Method and machine for the laying down of underwater pipes and cables |
| 06/22/1983 | EP0081894A2 Agronomic process and implement for use therein |
| 06/21/1983 | US4389139 Oscillating jet head underwater trenching apparatus |
| 06/15/1983 | EP0081274A2 Implement for loosening soil |
| 06/09/1983 | WO1983001977A1 Rock breaking apparatus |
| 06/08/1983 | EP0080802A1 A machine for cutting a trench in rock |
| 05/24/1983 | US4384808 Under-water cable burying device |
| 05/24/1983 | US4384619 Hose tensioning device for side shift plow assembly |
| 05/24/1983 | US4384415 Trenching plow |
| 05/24/1983 | CA1146744A1 Ground-working implement |
| 05/18/1983 | EP0079103A1 Dredging apparatus |
| 05/10/1983 | US4382634 Material fracturing apparatus |
| 05/10/1983 | CA1145933A1 Working machine |
| 05/04/1983 | EP0078080A1 A method and apparatus for dredging rock |
| 04/20/1983 | EP0077271A1 Method and apparatus for the provisional shoring of lateral trench walls |
| 04/12/1983 | US4379655 Process and apparatus for laying a subterranean film |
| 04/12/1983 | US4379595 Ripper with offset impacting means and slotted shank |
| 04/05/1983 | CA1144190A1 Method for continuously excavating ground and conveying excavated earth in the vertical direction and an apparatus for carrying out said method |
| 03/29/1983 | US4377914 Vertical lift and blade control mechanism for cable plows |
| 03/23/1983 | EP0074802A1 Device for making a trench for a cable or pipeline |
| 03/22/1983 | US4377365 Pipeline padding machine and method |
| 03/22/1983 | CA1143151A1 Scarification rake |
| 03/01/1983 | USRE31164 Cooling system for rock ripper tip |
| 02/22/1983 | US4374602 Pavement cutter |
| 02/22/1983 | CA1141536A2 Resonant work performing apparatus such as ripping tool driving apparatus |
| 02/16/1983 | EP0072172A1 Laying cables and the like under water |
| 02/16/1983 | EP0071677A1 Trench cutter |
| 02/15/1983 | US4373833 Machine for use in implanting plant supporting stakes |
| 02/09/1983 | EP0071075A2 Canal constructing apparatus comprising a leveling or a covering installation |
| 01/25/1983 | CA1140167A1 Material fracturing apparatus |
| 01/06/1983 | WO1983000060A1 Method and machine for the laying down of underwater pipes and cables |
| 12/29/1982 | EP0067908A1 Container for ground material removed by a ground working device from the bottom of a watercourse |
| 12/07/1982 | US4362436 Method and device for embedding cables or the like into an underwater ground |
| 11/25/1982 | WO1982004085A1 Device at combined bucket and frozen soil scarifier |
| 11/16/1982 | US4359106 Agricultural implement for building irrigation flow channels |
| 11/16/1982 | US4359101 Ground preparation tool for reforestation |
| 11/16/1982 | US4358905 Power dozer |
| 11/09/1982 | US4357764 Submarine vehicle for dredging and raising minerals resting on the sea bed at great depths |
| 10/28/1982 | WO1982003526A1 Lock assembly for earthworking apparatus |
| 10/28/1982 | WO1982003525A1 Tandem ripper assembly |
| 10/26/1982 | US4355476 Bucket assembly |
| 10/12/1982 | US4353796 Apparatus for digging and transporting soil and sand, stones and rocks, minerals and the like |
| 10/12/1982 | US4353175 Resonantly driven trenching tool |
| 10/12/1982 | CA1133264A1 Trenching method |
| 10/05/1982 | US4352590 Stabilization of erodible marine or fluviatile sediments |
| 09/29/1982 | EP0061299A2 Trench digger |
| 09/28/1982 | US4351397 Vibrating ripper |
| 09/21/1982 | CA1132148A1 Trench rock saw |
| 09/21/1982 | CA1132101A1 Excavator having telescopic arm assembly |
| 09/14/1982 | US4349010 Frost removal system |
| 09/02/1982 | WO1982002813A1 Ripper with offset impacting means and slotted shank |
| 08/25/1982 | EP0058222A1 Hydraulic tubing machine for foundation piles and control device therefor |
| 08/24/1982 | US4345854 Apparatus for laying underwater pipelines |
| 08/18/1982 | EP0057791A1 Fracturing apparatus |
| 08/10/1982 | US4343573 Method and apparatus for making an underground pipeline |
| 08/10/1982 | US4343514 Resonant tool driving system with gap |
| 08/10/1982 | CA1129217A1 Pipe laying apparatus |
| 08/05/1982 | WO1982002580A1 Boot seal |
| 08/05/1982 | WO1982002468A1 Material fracturing apparatus |
| 08/03/1982 | US4342526 Submersible backfill machine |
| 08/03/1982 | US4342162 Device for planing a body of ground material |
| 07/28/1982 | EP0056778A1 Device for laying a cable in a trench on the sea bed |
| 07/27/1982 | CA1128558A1 Trenching device equiped with a disk and a deflector |
| 07/20/1982 | CA1128078A1 Narrow ditch trencher |
| 07/20/1982 | CA1127855A2 Trenching apparatus |
| 07/20/1982 | CA1127840A1 Public works machine provided with a toothed traction wheel |
| 07/06/1982 | US4338043 Method for depositing material on the ocean bed and apparatus for performing the same |
| 07/06/1982 | US4338042 Apparatus for the subaqueous entrenching of pipes |
| 07/06/1982 | US4337587 Vehicle power control system |
| 07/06/1982 | CA1126949A1 Rock or stump remover assembly |
| 06/29/1982 | US4336662 Apparatus for collecting and raising materials from the ocean floor |
| 06/29/1982 | CA1126765A1 Digging chain support for excavation |
| 06/29/1982 | CA1126764A1 Device for collecting solid bodies on an underwater bed |
| 06/15/1982 | CA1125500A1 Roller cutter |
| 06/02/1982 | EP0053063A2 Apparatus for extracting mud and for feeding it to a treatment station |
| 06/01/1982 | US4332511 Cable burying apparatus |
| 05/25/1982 | CA1124147A1 Frost removal system |
| 05/18/1982 | US4330225 System for entrenching submerged elongated structures |
| 05/18/1982 | US4330156 Resonant system speed control |
| 05/18/1982 | US4329794 Ripping attachment for dragline |
| 05/18/1982 | US4329793 Soil moving device |
| 05/11/1982 | US4329087 Excavating and pipeline installation system |
| 05/11/1982 | US4329083 Methods of laying underground conduits |
| 05/11/1982 | CA1123215A1 Soil moving device |
| 05/05/1982 | EP0010105B1 Pavement planing machine |
| 05/04/1982 | US4327509 Ripper tooth attachment for a back hoe |
| 05/04/1982 | US4327508 Trencher digging chain sprocket drive |