| Patents for E02D 9 - Removing sheet pile bulkheads, piles, mould-pipes, or other moulds (623) |
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| 03/06/1996 | EP0699804A1 Apparatus and method for shearing tubes of a lattice structure, in particular subaqueously |
| 01/17/1996 | EP0692578A1 Method and apparatus for removing a driven-in object |
| 12/07/1995 | DE4435655C1 Device for pulling posts, rails and cables out of ground |
| 11/01/1995 | CN1111001A Precast concrete pile and an underground continuous wall constructed by embedding the concrete piles in the ground |
| 07/19/1995 | EP0663477A1 Lubricating material for extraction of temporarily buried reinforcement |
| 05/09/1995 | US5413086 Concrete pile cutter |
| 12/21/1994 | EP0539413B1 Concrete pile cutter |
| 11/08/1994 | US5361748 Method and device for cutting underwater structures |
| 10/12/1994 | CN2179406Y Static hydraulic pile puller |
| 03/01/1994 | US5289816 Hydraulic ram retraction pile cutter |
| 11/25/1993 | WO1993023653A1 Device for loosening drilling rods |
| 09/21/1993 | US5245982 Hydraulic concrete pile cutter |
| 09/08/1993 | EP0559188A1 Device for manipulating heavy workpieces |
| 09/08/1993 | CN2141818Y Hydraulic pile head crusher |
| 07/20/1993 | CA1320353C Apparatus for exposing the reinforcing bars of reinforced concrete pillars |
| 05/12/1993 | EP0540834A1 Method and device for cutting underwater structures |
| 05/05/1993 | EP0539413A1 Concrete pile cutter. |
| 03/17/1993 | EP0531600A1 Method of making trench walls and shuttering element used in the method |
| 10/27/1992 | CA1309254C Wire sawing method for reinforced concrete structures |
| 08/18/1992 | US5139006 Hydraulic concrete pile cutter |
| 07/29/1992 | EP0496719A1 Concrete shuttering element |
| 03/31/1992 | CA1298274C Method and apparatus for removing old pile |
| 02/25/1992 | US5090397 Pile cutter support |
| 02/06/1992 | WO1992001841A1 Concrete pile cutter |
| 12/18/1991 | EP0462010A1 ypparatus to facilitate extraction of a shuttering, and use in making a trench wall in the ground. |
| 10/15/1991 | US5056959 Method and device for stripping from the concrete to which it adheres the header of a wall section cast in the ground |
| 10/08/1991 | US5054744 Pulling device for removing ground embedded structures |
| 06/25/1991 | US5025803 Device for breaking off piles |
| 04/16/1991 | US5007593 Apparatus for exposing the reinforcing bars of reinforced concrete pillars |
| 04/09/1991 | US5006687 Method for cutting steel pipe piles |
| 03/26/1991 | US5002432 Device and method to cut and coil piles, casings and conductors |
| 12/25/1990 | US4979489 Method and apparatus for breaking reinforced concrete piles and for exposing reinforcing bars |
| 12/12/1990 | EP0402247A1 Method and apparatus for loosening the panel and sealing of a wall moulded in the ground, from the concrete to which it adhers |
| 12/06/1990 | CA2018407A1 Process and apparatus for separating end joint of wall panel in floor from concrete surface |
| 09/05/1990 | EP0353303A4 Method and device for snapping reinforced-concrete piles and stripping of reinforcement |
| 08/29/1990 | EP0384507A1 Device for breaking off piles |
| 06/13/1990 | CN1008382B Pile driver, pile drawer and/or drilling machine |
| 05/23/1990 | EP0250428B1 $i(IN SITU) CASTING OF CONCRETE FOUNDATION PILES WITH A RECOVERABLE TUBE-SHAPED FORM |
| 05/15/1990 | US4925159 For use in withdrawing well points |
| 05/09/1990 | EP0367314A1 Device for breaking off piles |
| 05/03/1990 | DE3934046A1 Fluid-supported pile-extraction equipment - incorporates wedges with elastic faces between pile and sloping bulkheads |
| 03/01/1990 | DE3841523A1 Method of cutting off the top end of foundation elements of cast-in-situ concrete, and apparatus for carrying out the method |
| 02/20/1990 | US4902168 Method for removing obsolete offshore platforms |
| 02/13/1990 | US4900198 Method and apparatus for removing old pile |
| 02/07/1990 | EP0353303A1 Method and device for snapping reinforced-concrete piles and stripping of reinforcement |
| 11/02/1989 | EP0339261A2 Device for uncovering the reinforcement rods in concrete piles |
| 10/26/1989 | DE3909581A1 Method of reducing the skin friction when withdrawing casings |
| 08/15/1989 | US4856938 Method of and arrangement for separating tubular foundation piles under water |
| 07/11/1989 | US4846445 Hydraulic fence post puller |
| 07/04/1989 | US4844660 Apparatus and method for removing offshore pilings |
| 06/20/1989 | US4840236 Hydraulic-pneumatic actuator for impact cutter |
| 06/15/1989 | WO1989005380A1 Method and device for snapping reinforced-concrete piles and stripping of reinforcement |
| 06/07/1989 | EP0319204A1 Method and apparatus for removing old piles |
| 04/18/1989 | US4822006 Pole pulling apparatus and method |
| 04/04/1989 | US4817917 Apparatus partially imbedded in the ground |
| 02/28/1989 | US4808037 Method and apparatus for removal of submerged offshore objects |
| 02/14/1989 | US4804165 Stake pulling apparatus |
| 02/01/1989 | EP0301113A1 Device for cutting tubular foundation piles under water |
| 01/24/1989 | US4799829 Method and apparatus for removing submerged platforms |
| 12/20/1988 | US4792120 Post removing device |
| 11/29/1988 | US4787363 Wire sawing method for reinforced concrete structures |
| 11/22/1988 | US4785892 Pile driver, pile drawer and/or drilling machine |
| 10/04/1988 | US4775276 Loader attachment for handling and transporting utility poles and cylindrical articles |
| 09/06/1988 | US4768899 Device and method to cut piles |
| 06/29/1988 | CN85102547B Synchronizalion tube-pulling machine |
| 05/05/1988 | WO1988003196A1 Method and apparatus for removal of submerged offshore objects |
| 02/23/1988 | US4726565 Post puller |
| 01/26/1988 | US4721335 Puller for fence posts or the like |
| 01/07/1988 | EP0250428A1 -i(IN SITU) CASTING OF CONCRETE FOUNDATION PILES WITH A RECOVERABLE TUBE-SHAPED FORM. |
| 11/11/1987 | EP0244815A2 Hydraulic-pneumatic actuator for impact cutter |
| 11/04/1987 | EP0243981A1 Method for cutting-off an elongate piece of concrete and a cutting tool |
| 11/03/1987 | US4703811 Drilling and/or lifting machine |
| 10/20/1987 | US4701077 Apparatus for withdrawing a tube or pile which has been driven into the soil |
| 09/16/1987 | CN86208362U Composite vibrating pile-driving-and-drawing machine |
| 04/01/1987 | EP0215998A2 A pile driver, pile drawer and/or drilling machine |
| 12/30/1986 | EP0206384A1 Method and apparatus for withdrawing a tube or pile which has been driven into the soil |
| 11/04/1986 | US4620693 Pole lifting apparatus |
| 10/28/1986 | US4619556 Method and apparatus for severing a tubular member |
| 10/21/1986 | US4618288 Releasable lowering and coupling assembly for pile driving |
| 09/25/1986 | WO1986005533A1 In situ casting of concrete foundation piles with a recoverable tube-shaped form |
| 06/25/1986 | EP0185402A1 Method for constructing a concrete pile and device for the application of the method |
| 06/17/1986 | CA1206101A1 Diesel hammer capable of delivering uplift blows and method of using same |
| 05/10/1986 | CN85102547A Synchronizalion tube-pulling machine |
| 04/10/1986 | CN85108188A Drilling and /or lifting machine |
| 04/10/1986 | CN85108187A Pile driver, pile drawer and/or drilling machine |
| 02/18/1986 | US4571124 Method of forming cast-in-place concrete pile |
| 07/09/1985 | US4527295 Tank flushing apparatus |
| 05/14/1985 | US4516662 Rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like pieces |
| 01/23/1985 | EP0132205A1 Apparatus for raising masts |
| 11/06/1984 | US4480627 Device for demolishing concrete piles |
| 09/25/1984 | US4473123 Diesel hammer capable of delivering uplift blows and method of using same |
| 02/22/1984 | EP0101350A1 Method and device for pulling out a shuttering at the realization of an underground cast wall |
| 02/16/1984 | WO1984000571A1 Diesel hammer capable of delivering uplift blows and method of using same |
| 01/17/1984 | US4425722 Apparatus for removing stakes from the ground |
| 12/27/1983 | US4422621 Fence post puller |
| 05/19/1982 | EP0051837A1 Apparatus for the treatment of piles |
| 03/09/1982 | US4318391 Pile-cutting machine and method of cutting multi-sided piles |
| 10/14/1981 | EP0014715B1 Machine for pulling out a drilling tube of the ground |
| 10/01/1981 | WO1981002757A1 Method of removing top part of cast-in-place concrete pile |
| 03/17/1981 | US4256286 Post pulling device |