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