| Patents for E02D 7 - Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds (4,652) |
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| 02/16/1989 | DE3726472A1 Method of lowering a tubular foundation element as well as apparatus for carrying out the method |
| 02/16/1989 | DE3726445A1 Point-bearing sheet pile for sheet-pile walls |
| 02/08/1989 | CN1030953A Liquid gunpowder powered pile-driver |
| 02/07/1989 | US4802538 Piling hammer |
| 02/01/1989 | EP0301116A1 Submergible electrohydraulic drive unit for hammering and servicing devices in under water operation |
| 02/01/1989 | EP0301114A1 Process for driving pile sections under water |
| 01/24/1989 | US4799557 Electromagnetic pile driver |
| 01/11/1989 | CN2030624U Liquid explosive-powered pile driver |
| 01/10/1989 | US4796428 Double-acting forging hammer and method |
| 01/04/1989 | CN2030211U Hydraulic hammer-apparatus |
| 01/04/1989 | CN2030210U Vibrating pile driver |
| 12/27/1988 | US4793740 Drilling system |
| 12/21/1988 | EP0295563A2 Rotary impacting apparatus |
| 12/07/1988 | EP0293584A1 Drilling device for high pressure injection method |
| 11/30/1988 | EP0293057A2 Apparatus for controlling arm movement of industrial vehicle |
| 11/30/1988 | CN88203949U Continuously adjustable eccentric moment four-axis vibrator |
| 11/22/1988 | US4785892 Pile driver, pile drawer and/or drilling machine |
| 11/15/1988 | CA1244664A1 Expansible drive core |
| 10/13/1988 | DE3710357A1 Vertically adjustable bearing |
| 10/11/1988 | US4776407 Clamping attachment to a device for driving rod elements of low rigidity into the ground |
| 10/06/1988 | WO1988007633A1 Hydraulic drive |
| 10/05/1988 | EP0284759A1 Hammer |
| 10/05/1988 | CN87100903B A combination method of anchoring and pile driving (and the device of) by taking gun powder as power |
| 08/23/1988 | US4765416 Method for prudent penetration of a casing through sensible overburden or sensible structures |
| 08/17/1988 | EP0278936A1 An improved piling method |
| 08/17/1988 | CN88100701A Improved piling method |
| 08/16/1988 | CA1240526A1 Clamping attachment to a device for driving rod elements of low rigidity into the ground |
| 08/16/1988 | CA1240525A1 Mobile percussive apparatus for driving hollow objects the ground |
| 08/11/1988 | WO1988005843A1 Piling method |
| 08/04/1988 | DE3701520A1 Method of driving a steel sheet pile, and steel sheet pile intended for carrying out the method |
| 08/03/1988 | EP0276845A2 Pile driver |
| 08/02/1988 | US4761096 Universal footing with jetting system |
| 05/19/1988 | DE3638664A1 Method of constructing a sheet pile wall |
| 05/18/1988 | CN87105168A Universal pile driver with a hinged truss type integral pile driver frame |
| 05/10/1988 | US4742876 Submarine drilling device |
| 05/04/1988 | EP0266206A1 Ground rods and method and apparatus for forming and placing such rods |
| 05/04/1988 | EP0265566A1 Electromagnetic percussion pile driver |
| 05/03/1988 | CA1235913A1 System for driving open end pipe piles on the ocean floor using pneumatic evacuation and existing hydrostatic pressure |
| 04/27/1988 | EP0265344A1 Method for producting a pile in the ground, drilling machine and device for carrying out such a method |
| 04/20/1988 | EP0263967A1 Submersible pile hammer |
| 03/22/1988 | US4732510 Process for driving and cementing in ground anchors, apparatus and anchor bars for said process |
| 03/15/1988 | US4730954 Ground treatment |
| 03/03/1988 | DE3619214A1 Apparatus for driving in stakes or the like |
| 03/02/1988 | CN87203162U Folding mast pile-driver |
| 02/23/1988 | US4726241 Continuous force and impact generator |
| 02/16/1988 | US4725167 Pile driving |
| 02/16/1988 | US4724911 Hydraulic impact tool |
| 02/03/1988 | EP0167552B1 Movable apparatus for driving into the ground various objects by percussion |
| 01/27/1988 | EP0253988A1 Prefabricated concrete element and method for introducing such an element to the soil |
| 01/20/1988 | CN87104307A Controller for vibration type pile-driving machine |
| 01/13/1988 | EP0252863A1 Method and ramming apparatus for driving tools into the soil |
| 01/07/1988 | EP0251525A2 Continuous force and impact generator |
| 12/29/1987 | US4715471 Self-propelled percussion unit and method of using same |
| 12/16/1987 | CN87100903A A combination method of anchoring and pile driving (and the device of) by taking gun powder as power |
| 12/10/1987 | DE3618613A1 Method for positioning constructional elements in the ground within a suitable structure |
| 12/02/1987 | EP0247915A1 Mechanical device for the alternate motions of a drop hammer or pile driver |
| 12/01/1987 | US4709764 Sheet pile supported driver |
| 11/25/1987 | EP0246589A1 Precast concrete pile and method and apparatus for introducing it into the soil |
| 11/24/1987 | US4708530 Concrete foundation pile and device for driving the same into the ground |
| 11/19/1987 | DE3716431A1 Apparatus for controlling a pile vibrator |
| 11/12/1987 | DE3615596A1 Method and apparatus for placing piles or the like in the ground, in which the piles are jacked into the ground |
| 11/11/1987 | EP0132438B1 Double-acting forging hammer and method |
| 11/03/1987 | US4703811 Drilling and/or lifting machine |
| 10/27/1987 | CA1228486A1 Compacting deep foundation structure, method of and apparatus for building the same |
| 10/20/1987 | CA1228237A1 Ramming and guiding tool for pins intended for anchoring posts or stakes in the ground, said tool having a pile helmet over a seat on its top center part |
| 10/15/1987 | DE3612437A1 Method of constructing concrete columns in the soil and apparatus for carrying out the method |
| 10/08/1987 | DE3610814A1 Mobile drilling, piling or suchlike rig |
| 09/30/1987 | EP0239258A1 Improvements in or relating to ground strengthening |
| 09/29/1987 | US4696605 Composite reinforced concrete and timber pile section and method of installation |
| 09/01/1987 | US4690225 Percussive tool |
| 08/26/1987 | EP0233726A1 Launching apparatus |
| 08/25/1987 | CA1225985A1 Soil-displacement drill and method for manufacturing pile |
| 08/05/1987 | CN86206747U Pile driver for iocating fishnet |
| 08/04/1987 | US4683960 Air-operated reversible percussive action machine |
| 07/23/1987 | DE3601713A1 Mobile drilling and pile-driving plant |
| 07/08/1987 | EP0228138A2 Process for placing a concrete pile in the ground and a screw drill and casing to be used in the process |
| 07/08/1987 | EP0228059A2 Diesel hammer |
| 07/01/1987 | EP0227576A2 Hydraulic impact tool |
| 06/19/1987 | DE3543732A1 Method of drilling a foundation borehole for a construction element to be erected approximately perpendicularly |
| 06/16/1987 | EP0225420A1 Apparatus for driving foundation pipes or similar objects into soil layers by a vibration device |
| 06/16/1987 | EP0225324A1 Submarine element driving means. |
| 06/09/1987 | US4671703 Apparatus for driving pipes through the ground |
| 06/09/1987 | US4671475 Railroad track switch covers and heater |
| 06/04/1987 | DE3542668A1 Construction vehicle with a telescopic leader |
| 06/03/1987 | CN85108550A Prestressed concrete foundation pile |
| 05/26/1987 | US4667746 Mobile apparatus for driving different objects into the ground by impact |
| 05/19/1987 | US4665994 Post driving implement |
| 05/19/1987 | US4665791 Method for accelerating an object and propelling arrangement for implementing the method for such object, particularly an object to be driven into ground below water |
| 04/28/1987 | US4660655 Pile-driving apparatus and method of operating such apparatus |
| 04/22/1987 | CN86103612A Anchor fixed type tension flexible dam |
| 04/15/1987 | EP0217995A2 A device that may be applied to perforating drills for the drilling of foundation holes,and the insertion and stabilization of reinforcement tubes |
| 04/07/1987 | US4655301 Expansible drive core |
| 04/01/1987 | EP0215998A2 A pile driver, pile drawer and/or drilling machine |
| 03/31/1987 | US4653595 Method and apparatus for remote release of hammer and follow block chain connection |
| 03/17/1987 | US4650374 Apparatus for driving pipes through the ground |
| 03/17/1987 | US4650012 Apparatus for cleaning drills |
| 03/17/1987 | US4650008 Pile driver and extractor |
| 02/24/1987 | US4645017 Vibrational isolation system for sonic pile driver |
| 02/24/1987 | US4645016 Resonant pile driving system |
| 02/10/1987 | US4641715 Apparatus for driving and retracting ground rods or the like |