Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
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03/26/1985 | US4506464 Hydraulic breakaway system for mobile cutting apparatus |
03/20/1985 | EP0134312A1 Method and device for removing material lying beneath the water surface |
03/12/1985 | US4503630 Ditch digging machine |
02/26/1985 | US4501446 Removal of fine-grained sediments from water bodies |
02/20/1985 | EP0133324A2 Rigged truck, in particular for ditch clearing |
02/19/1985 | CA1182845A1 Installation for two or more step excavating in a discontinuous open cut operation |
02/12/1985 | US4498813 Underground cable installing apparatus and method utilizing a fluid jet assisted, vibrating blade arrangement |
01/29/1985 | CA1181634A2 Agronomic process |
01/08/1985 | US4492492 Guiding method for cable burying device and a device therefor |
01/01/1985 | US4491368 Method for dredging rock with a pick and water jet combination |
12/25/1984 | US4489818 For strip-mining operations |
12/20/1984 | WO1984004938A1 Apparatus and method for performing work at sea |
12/19/1984 | EP0128173A1 Device to break open a cultivated soil. |
12/19/1984 | EP0128137A1 Modular impact ripper assembly |
12/18/1984 | US4488836 Method and apparatus for embedding a pipe in a trench in weak ground |
12/11/1984 | CA1179182A2 Agronomic implement |
12/05/1984 | EP0127549A2 Method of constructing sports grounds, and apparatus for carrrying out this method |
12/04/1984 | US4485570 Apparatus for mounting a drilling machine on an excavator bucket |
12/04/1984 | CA1178980A1 Method and apparatus for dredging rock |
11/22/1984 | WO1984004554A1 Device for digging wells in the soil |
11/20/1984 | US4483084 Trencher |
11/07/1984 | EP0124499A1 Method and apparatus for installing highway drainage mat |
11/07/1984 | EP0094403A4 Rock breaking apparatus. |
11/06/1984 | US4480569 Container for ground material removed by a ground working device from the bottom of a watercourse |
10/31/1984 | EP0123468A1 Trenching apparatus |
10/30/1984 | US4479741 Device for laying underground or digging up subsea conduits |
10/23/1984 | US4478289 Side mounted soil ripping mechanism |
10/09/1984 | US4475602 Roller equipped earthworking member |
10/02/1984 | CA1175244A1 Soil moving devices |
09/26/1984 | EP0119653A1 Method for removing sludge or mud from the bottom of a water area |
09/26/1984 | EP0023919B1 A grubber implement |
09/25/1984 | US4473256 Chisel barge with shock absorbing system for mast |
09/19/1984 | EP0119129A1 Ditch cutting and cleaning apparatus |
09/18/1984 | US4472089 Channel construction machinery having a levelling and material lining application attachment |
09/11/1984 | US4470720 Underwater trenching & pipelaying apparatus |
09/04/1984 | US4468872 Peat machine |
08/29/1984 | EP0117038A1 Plough assembly |
08/28/1984 | US4467876 Ripper tooth means |
08/22/1984 | EP0116410A1 Trench backfill device |
08/21/1984 | US4466491 Apparatus for removing rocks and objects |
08/15/1984 | EP0115882A1 Machine for laying a flexible tube or cable into the ground |
08/07/1984 | US4463509 Vibratory plow assembly |
08/07/1984 | US4463508 Backfill compactor |
08/01/1984 | EP0114584A2 Chain cutter excavator |
07/31/1984 | US4462715 System for the one-step dewatering of a trench and the construction of a pipeline bed |
07/24/1984 | US4461598 Machine for installing drip irrigation conduit |
07/24/1984 | CA1171274A1 Device at combined bucket and frozen soil scarifier |
07/17/1984 | US4459767 Ditcher head assembly for cleaning ditches |
07/11/1984 | EP0112877A1 Underwater trenching machine. |
07/10/1984 | CA1170467A1 Slurry trench method and apparatus for constructing underground walls |
07/03/1984 | CA1170099A1 Narrow-base terracing plow |
07/03/1984 | CA1170040A1 Ditching method and device |
06/26/1984 | US4455770 Trencher power control system |
06/21/1984 | WO1984002251A1 Device to break open a cultivated soil |
06/19/1984 | US4454921 Replaceable blade for cable laying plow |
06/12/1984 | US4453772 Modular impact ripper assembly |
06/12/1984 | US4453600 Signal shank parallel ripper apparatus |
05/29/1984 | CA1168075A1 Agronomic process and apparatus for use therein |
05/22/1984 | US4449591 Agricultural clean-out drag |
05/15/1984 | US4448567 Method for installing lines, pipes or cables underground |
05/15/1984 | CA1167311A1 Ground preparation tool for reforestation |
05/08/1984 | US4447173 Apparatus for burying drip irrigation tubing |
05/08/1984 | US4446636 Oceanic mining system |
04/24/1984 | US4444434 Continuous miner |
04/24/1984 | CA1166275A1 Bucket wheel for a dredge or the like |
04/18/1984 | EP0105570A1 Method and apparatus for removing mud from below an underwater construction |
04/12/1984 | WO1984001397A1 Modular impact ripper assembly |
04/03/1984 | US4440240 Method of making holes in the soil and apparatus for performing this method |
03/27/1984 | US4438576 Device for ditching a drain in soil |
03/27/1984 | US4438575 Continuous excavating apparatus |
03/20/1984 | US4437789 Method and means for protecting buried cable from rodent damage |
03/13/1984 | US4436476 Rod device for use as an arm of an excavator |
02/21/1984 | US4432672 Canal building apparatus |
02/21/1984 | US4432584 Trenching machine for cutting preferably frozen ground |
02/14/1984 | US4431061 For use with conventional farm tractors for precutting old levees |
02/14/1984 | US4430812 Endless belt dredger |
02/07/1984 | US4430022 Underground cable installing apparatus and method utilizing a multi-positionable plow blade |
02/07/1984 | US4429477 Portable ditcher and excavating elements therefor |
02/01/1984 | EP0099489A1 Method of and machine for cleaning a water basin |
01/31/1984 | US4428132 Trenching plow with plow carriage on curved supporting track |
01/19/1984 | WO1984000183A1 Underwater trenching machine |
01/18/1984 | EP0098269A1 Vibrator unit preferably for construction works |
01/18/1984 | EP0026182B1 Device for burying a line in the sea bed |
12/27/1983 | US4422512 Narrow-base terracing plow |
11/23/1983 | EP0094403A1 Rock breaking apparatus. |
11/09/1983 | EP0016811B1 Tool driving apparatus |
11/08/1983 | US4413433 Apparatus for extracting muddy materials and feeding them to a treatment station |
11/08/1983 | CA1156689A1 Submarine device for collecting modules on the seabed and for bringing them to the surface |
11/01/1983 | CA1156283A1 Boot seal |
10/26/1983 | EP0092201A1 Mobile soil loosening implement |
10/26/1983 | EP0092128A1 Combined road milling and asphalt and concrete saw for a hydraulic excavator, backhoe loader and front loader |
10/25/1983 | US4411081 Trench compactor having a vibratory sheepsfoot assembly |
10/25/1983 | CA1155878A1 Trencher digging chain sprocket drive |
10/18/1983 | US4410297 Marine continuous pipe laying system |
10/18/1983 | US4409912 Agronomic implement |
10/18/1983 | US4409747 Digging apparatus |
10/11/1983 | US4408405 Underwater excavator |
09/27/1983 | CA1154466A1 Trenching machine for cutting preferably frozen ground |
09/14/1983 | EP0088190A1 Pipe or cable burying plough |
09/06/1983 | CA1153201A1 Side shift plow assembly |