| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
|---|
| 11/10/1987 | US4705427 Erosion control apparatus |
| 11/05/1987 | DE3614466A1 Control system for a construction machine |
| 11/04/1987 | EP0243994A1 Device for the displacement of sediment under water and process for the use of such a device |
| 11/04/1987 | EP0243608A1 Apparatus for making a substantially vertical slot in the soil |
| 11/03/1987 | US4704045 Apparatus and method for pulverizing asphalt |
| 11/03/1987 | CA1228840A1 Material working machine |
| 10/28/1987 | CN87102680A Device for the displacement of sediment under water and process for the use of such a device |
| 10/28/1987 | CN87102670A Apparatus for laying subterranean plastic tape and pipe |
| 10/27/1987 | US4702223 Diamond grinder assembly and snap-fit mounting means for scarifier case |
| 10/27/1987 | US4702024 Helical dredge cutter head with scoop-in plates |
| 10/13/1987 | US4698925 Soil reclaiming implement |
| 10/08/1987 | WO1987005878A1 Inshore submersible amphibious machines |
| 10/08/1987 | DE3611306A1 Rock cutter with supporting device |
| 10/06/1987 | US4697647 Reversible percussive action machine |
| 09/29/1987 | US4696607 Slurry trench method and apparatus for constructing underground walls |
| 09/24/1987 | WO1987005649A1 Dredger |
| 09/24/1987 | WO1987005646A1 Apparatus for laying subterranean plastic tape and pipe |
| 09/22/1987 | US4694915 Slotted wall milling cutter |
| 09/10/1987 | DE3607260A1 Apparatus for laying pipes and pipe suitable therefor |
| 09/08/1987 | US4692063 System to control tension in a cable during underground placement |
| 09/08/1987 | US4691455 Trenching equipment with hinged side plates |
| 09/03/1987 | DE3601062A1 Underwater tracked vehicle with hydraulic thruster drive |
| 08/27/1987 | WO1987004893A1 Subsoil aerator |
| 08/27/1987 | DE3605040A1 Apparatus for filling cable trenches |
| 08/26/1987 | EP0233369A1 Device for constructing trench walls and the like and method for construction of same |
| 08/19/1987 | EP0232934A1 Apparatus for reclaiming material stored in a heap in a stockyard |
| 08/12/1987 | EP0231784A1 Earth-moving combination device consisting of a milling device and a container |
| 08/12/1987 | EP0231252A1 Device for displacing material. |
| 08/11/1987 | US4685832 Underground pipe and cable laying machine |
| 08/04/1987 | US4683684 High pressure fluid jet apparatus for cutting and removing pavement |
| 08/04/1987 | CA1224930A1 Method and apparatus for impounding fluids |
| 07/30/1987 | DE3602213A1 Multi-purpose apparatus for hydraulic excavators and cranes |
| 07/28/1987 | US4682427 Trench-digger implement carried by a laterally extending boom and drive therefor |
| 07/21/1987 | US4681483 Casting of structural walls |
| 07/21/1987 | US4681336 For a vehicle power lift system |
| 07/15/1987 | EP0228499A1 Dredging helical cutter |
| 07/14/1987 | US4679857 Mounting frame for linear impact ripper assembly |
| 07/14/1987 | US4679635 Self-tripping rippers |
| 07/14/1987 | US4679337 Material working machine with vibrating tool carrier |
| 07/02/1987 | WO1987003947A1 A vessel for laying of flexible tubes deeply into the bottom sediment of shallow lakes and similar waters |
| 06/30/1987 | US4677555 Method and equipment for automatic guidance of earthmoving machines and especially machines for laying drainage elements |
| 06/10/1987 | EP0225243A1 Machine for digging trenches into the ground |
| 06/09/1987 | CA1222622A1 Method and device for collecting data about the laying depth of a flexible conduit in the course of its burial |
| 05/19/1987 | US4666337 Method and device for insulation of the ground |
| 05/19/1987 | US4666213 Rock breaker tool |
| 05/13/1987 | EP0221731A1 High pressure fluid jet apparatus for cutting and removing pavement |
| 05/13/1987 | EP0221581A2 Pipeline or cable plough |
| 05/12/1987 | US4664791 Padding machines |
| 05/12/1987 | US4664553 Plough assembly |
| 05/12/1987 | CA1221552A1 Pipe laying and replacement |
| 05/06/1987 | EP0220182A1 Machine for ploughing trenches and laying cables or wires therein |
| 05/06/1987 | CN85107771A Swirling flow mud absorbing head |
| 05/05/1987 | US4662684 Rotary rock and trench cutting saw |
| 04/29/1987 | CN86207943U Amphibious ditching and tube laying machine |
| 04/28/1987 | US4661019 Wire laying/burying apparatus |
| 04/28/1987 | US4661018 Apparatus for and method of installing underground cable having above ground terminals |
| 04/28/1987 | US4661013 Apparatus for impeding fine sediment deposition in harbors and navigational channels |
| 04/28/1987 | US4660306 Trencher attachment for hydraulic excavators |
| 04/07/1987 | US4655639 Plough |
| 04/02/1987 | DE3534497A1 Apparatus for digging drainage ditches |
| 03/24/1987 | US4652176 Vibratory plow with blade having regressive longitudinal axis |
| 03/24/1987 | US4652055 Device for collecting manganese nodules on the ocean floor |
| 03/24/1987 | US4651449 Chain saw chain for digging trenches |
| 03/19/1987 | DE3611521A1 Floating-grab excavating apparatus for sand and gravel winning with boom |
| 03/18/1987 | EP0214416A1 Levelling device for a drainage machine or the like |
| 03/17/1987 | US4650370 High-speed cable-laying apparatus |
| 03/17/1987 | CA1219135A1 Pipeline plough |
| 03/11/1987 | EP0213259A2 Posterior sealing of waste deposits |
| 03/10/1987 | US4648745 Method and device for burying a conduit in the bottom of a waterbed |
| 03/03/1987 | CA1218680A1 Bucketwheel excavator |
| 02/18/1987 | EP0128173B1 Device to break open a cultivated soil |
| 02/18/1987 | CN85106187A Under reaming pile bore excavating bucket and method of its excavation |
| 02/17/1987 | US4643615 Process and device for obtaining data relative to the position in a vertical plane of a supple pipe in the process of being buried |
| 02/17/1987 | US4643613 Underwater trenching and pipe-laying devices |
| 02/10/1987 | CA1217786A Machine for digging and cleaning out trenches |
| 02/05/1987 | DE3526446A1 Apparatus with cleaning auger, in particular a backfilling auger |
| 02/03/1987 | US4640551 Rock saw unit for hard rock earth formations |
| 01/31/1987 | CN85101351A Divided-bucket type rotary excavator |
| 01/29/1987 | WO1987000568A1 Device for displacing material |
| 01/21/1987 | EP0208686A1 Method and apparatus for moving a vehicle on loose soil |
| 01/20/1987 | US4637755 Apparatus for burying conduit |
| 01/07/1987 | EP0207791A2 Improved apparatus for impeding fine sediment deposition in harbors and navigational channels |
| 01/07/1987 | EP0207232A1 Cutting apparatus for an excavating machine |
| 01/06/1987 | US4634313 Pipe laying and replacement |
| 01/06/1987 | US4633602 Method and apparatus for padding pipe |
| 12/30/1986 | US4631844 Hydraulic shovel dredge system |
| 12/17/1986 | EP0205341A1 Underwater ground working apparatus |
| 12/16/1986 | US4629363 Continuous conduit laying apparatus |
| 12/16/1986 | US4629008 Reversible percussive action machine |
| 12/10/1986 | CN85204289U Fork-type muddy straw-cleaning device |
| 12/03/1986 | CN86102188A Trench excavator |
| 12/03/1986 | CN85103961A Marine pipeline trenching plow with progressive cutting elements for simultaneous pipe laying and entrenchment |
| 12/02/1986 | US4626032 Apparatus for excavating hard soils |
| 11/25/1986 | US4624194 Probe for breaking and injecting soil |
| 11/20/1986 | EP0201503A1 Casting of structural walls. |
| 11/12/1986 | CA1213742A Method and apparatus for installing highway drainage mat |
| 11/05/1986 | EP0199977A2 Adjustable-length lift rod |
| 11/04/1986 | US4620381 Ditching machine with offset draft vehicle |
| 10/29/1986 | CN85103251A Apparatus for lifting drag arm of drag suction type dredger |
| 10/22/1986 | EP0094403B1 Rock breaking apparatus |