| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
|---|
| 07/29/1998 | EP0855772A1 Method for installation of an optical or electrical cable in a solid ground and arrangement for installation of the cable |
| 07/23/1998 | WO1998031880A1 Method for fitting pipes |
| 07/22/1998 | EP0646213B1 Process and tool for laying underground collector mains for liquids and gases |
| 07/16/1998 | WO1998030758A2 Machine for uncovering a pipeline and operating element |
| 07/14/1998 | US5778988 Drilling apparatus |
| 07/14/1998 | US5778568 Carry scraper ships |
| 07/01/1998 | CN1186529A Block for mortarless construction of wall |
| 06/25/1998 | WO1998027286A1 Improvements in or relating to underwater excavation apparatus |
| 06/24/1998 | EP0849403A1 Cutting wheel apparatus for excavating trenches |
| 06/24/1998 | CN1185508A 沟道壁切割机 Trench wall cutter |
| 06/17/1998 | EP0848112A1 Milling device for trench walls |
| 06/17/1998 | EP0847462A1 Novel draining wall, method for producing same and element implementated thereby |
| 06/17/1998 | EP0734604B1 Cable duct element |
| 06/17/1998 | CN1185186A Method and equipment for laying underground continuous walls |
| 06/16/1998 | US5765967 Method and apparatus for backfilling pipeline trenches |
| 06/16/1998 | US5765966 Sub-surface trenching and backfill apparatus |
| 06/16/1998 | US5765965 Apparatus for in situ installation of underground containment barriers under contaminated lands |
| 06/13/1998 | CA2222824A1 Trench wall cutter |
| 06/10/1998 | CN1184192A Barged sled-type beach ditcher |
| 05/26/1998 | US5755530 Underwater cable burial machine having improved cable laying apparatus |
| 05/26/1998 | US5755048 Pavement cutter |
| 05/20/1998 | EP0843050A1 Drilling installation comprising a drilling apparatus |
| 05/20/1998 | EP0842331A1 Method and apparatus for backfilling padded underground structures |
| 05/20/1998 | EP0842330A1 Method and device for burying a conduit under water |
| 05/20/1998 | DE19647340A1 Compost heap inverter assembly has two adjacent rotary skimmers |
| 05/13/1998 | CN1181442A Method for development of cave ancient tomb |
| 05/06/1998 | CN2280774Y Centrifugal pump type sand dredging-out device |
| 05/05/1998 | US5746541 Electronic dog fence installer |
| 04/30/1998 | DE19645472A1 Method to form stable excavation in soil and unconsolidated ground |
| 04/28/1998 | US5743675 Underground cable anode installment system |
| 04/21/1998 | US5741088 Apparatus for underground excavation |
| 04/21/1998 | US5741087 Chain separator for padding machine |
| 04/16/1998 | WO1998015165A2 Machine for digging under pipes and caterpillar traction device |
| 04/16/1998 | CA2187954A1 Multipurpose equipment |
| 04/09/1998 | WO1998014283A1 Underground barrier construction apparatus with soil-retaining shield |
| 03/26/1998 | DE19652835C1 Subterranean cutter dredger |
| 03/25/1998 | EP0830522A1 Excavator data acquisition and control system and process |
| 03/19/1998 | WO1998011305A1 Automatic excavator, automatic excavation method and automatic loading method |
| 03/18/1998 | EP0828899A1 A block for the mortarless construction of a wall |
| 03/18/1998 | CN2276520Y Underwater dredging machine |
| 03/17/1998 | US5727904 System for testing a pipe |
| 03/11/1998 | EP0828031A1 Improvements in underwater ploughing |
| 03/04/1998 | EP0826836A1 Vessel provided with a vertical ladder with tools for working underwater |
| 03/04/1998 | EP0826835A1 Trenching apparatus for digging deep trenches |
| 03/03/1998 | US5722793 Method and device for continuously laying and burying a flexible submarine conduit |
| 03/03/1998 | US5722204 Device for housing the active and passive junction assemblies of telecommunications installations |
| 02/24/1998 | US5720354 Trenchless underground boring system with boring tool location |
| 02/18/1998 | CN2274655Y Caterpillar underground contiuous grooving machine |
| 02/12/1998 | DE19623922C1 Device for drawing pipe into ground using plough-type unit |
| 02/05/1998 | WO1998004783A1 Self-propelled surplus soil regenerating vehicle |
| 01/28/1998 | EP0821109A1 Excavator for use in a hazardous environment, buoy for maritime work and control post therefor |
| 01/28/1998 | EP0821106A2 Collector system for collecting impurities on the surface of a pond |
| 01/27/1998 | US5711636 System for lining a pipe |
| 01/21/1998 | EP0656988A4 Apparatus for cutting and excavating solids. |
| 01/20/1998 | US5709504 Pipe rehabilitation pulling mandrel |
| 01/13/1998 | US5707182 Process and a device for exactly holding the vertical excavating direction of a diaphragm wall |
| 01/13/1998 | US5707175 Excavating and pipe laying machines |
| 01/13/1998 | US5707174 Underwater cable burial machine using a single cable for towing and lifting |
| 01/07/1998 | EP0816574A1 Apparatus for burying pipes or cables in the sea bed |
| 01/06/1998 | US5704142 Excavator data acquisition and control system and process |
| 01/06/1998 | CA2120802C Process and device for simultaneously laying long product and protectivetube in the ground |
| 01/02/1998 | DE19625590A1 Method for filling construction trenches such as those used for cables and pipes |
| 01/02/1998 | DE19625039A1 Linked cutting device |
| 01/02/1998 | DE19625037A1 Earth moving machine |
| 01/02/1998 | DE19623454A1 Method for making trenches and ditches |
| 12/31/1997 | WO1997049871A1 Novel draining wall, method for producing same and element implementated thereby |
| 12/30/1997 | US5701692 Containment wall installation process and apparatus |
| 12/24/1997 | WO1997048917A1 An auxiliary hydraulic power unit |
| 12/24/1997 | WO1997048860A1 Digging machine |
| 12/11/1997 | WO1997046765A1 Underwater burial apparatus |
| 12/11/1997 | DE19724110A1 Drive arrangement for water-borne vehicles, esp. dredgers or suction dredgers |
| 12/10/1997 | EP0811725A1 Guiding apparatus for one or more flexible tubes at the end of an articulated arm of a lifting apparatus |
| 12/10/1997 | EP0811724A1 Apparatus with telescopic frame for digging trenches in the ground |
| 12/09/1997 | US5694709 Pipeline padding machine with crusher |
| 12/03/1997 | EP0810327A1 Method and device for laying underground continuous walls |
| 11/27/1997 | WO1997044534A1 Trench digging saw |
| 11/27/1997 | CA2255954A1 A method for levelling and filling of ditches, and a device for use in levelling and filling ditches |
| 11/26/1997 | EP0808391A1 Device for creating a local water flow |
| 11/26/1997 | CN1166191A Controller for excavators |
| 11/19/1997 | EP0807718A2 Gravel sorting-out and grinding machine and the like |
| 11/19/1997 | CN2268122Y Dipper earth-boring machine |
| 11/13/1997 | WO1997041971A1 Self-propelled material-processing apparatus |
| 11/11/1997 | US5685668 Barrier wall installation system |
| 11/11/1997 | US5685377 Auto-return function for a bulldozer ripper |
| 11/06/1997 | WO1997041313A1 Method and apparatus for backfilling padded underground structures |
| 10/15/1997 | EP0801177A2 Underwater cable burial machine having tripable plows |
| 10/15/1997 | EP0801176A2 Underwater cable burial machine having improved cable laying apparatus |
| 10/15/1997 | EP0801175A2 Underwater cable burial machine using single cable for towing and lifting |
| 10/15/1997 | CN2264761Y Fastener quick-changing device for underground hole digger |
| 10/02/1997 | DE19612074A1 Preparation of e.g. road foundation by mixing in chalk, cement etc. |
| 10/01/1997 | EP0797708A1 Apparatus and associated method for padding a trench |
| 09/30/1997 | US5672029 System for pipe rehabilitation |
| 09/30/1997 | US5671554 Sensor positioning apparatus for trench excavator |
| 09/30/1997 | CA2006739C Apparatus measuring the radioactivity of an ore load on a extracting machine like a buchet excavator |
| 09/10/1997 | EP0793796A1 Device for recovering explosive objects buried in the ground |
| 09/04/1997 | WO1997032091A1 Dredging apparatus |
| 09/04/1997 | CA2248097A1 Dredging apparatus |
| 08/28/1997 | WO1997030576A1 Furrow-forming and earthworking equipment for inclined grounds |
| 08/27/1997 | EP0630436B1 Cutting shield for digging open trenches in the ground |
| 08/26/1997 | US5659985 Excavator data acquisition and control system and process |