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