| Patents for E02D 11 - Methods or apparatus for both placing and removing sheet pile bulkheads, piles, or mould-pipes (499) |
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| 05/27/1999 | WO1999025606A2 Method of and apparatus for anchor installation |
| 05/06/1999 | EP0648297B1 Method and apparatus for forcing piles into or out of the ground |
| 04/28/1999 | CN2316341Y Multifunctional pole erecting vehicle |
| 03/11/1999 | WO1999011871A1 A method system and apparatus for driving and pulling pilings |
| 08/12/1998 | EP0857830A1 Installation for extracting objects driven in with a piling rig |
| 08/12/1998 | EP0857829A1 Pile-driving installation with improved ram |
| 06/30/1998 | US5772362 To locate in the ground poles for supporting a racing rail assembly |
| 06/23/1998 | US5769173 Vibration exciter machine |
| 05/14/1998 | DE19646345A1 Sheet-piling-driving and extracting machine with hydraulic excavator |
| 04/16/1998 | WO1998015692A1 A steel pile, adapted to be driven into the ground |
| 03/10/1998 | US5725329 Method, system and apparatus for driving and pulling pilings |
| 02/19/1998 | DE19631992A1 Vibrating ram for piles in building construction |
| 02/04/1998 | CN1172194A Pile-formation process for reinforced concrete ram-expanded cast-in-situ pile and its equipment |
| 01/06/1998 | US5704732 Deep water piling and method of installing or removing |
| 08/05/1997 | US5653556 Clamping apparatus and methods for driving caissons into the earth |
| 12/18/1996 | CN1138124A Vibration exciter machine |
| 10/29/1996 | US5568997 Method and apparatus for forcing piles into or out of the ground |
| 09/25/1996 | CN2235986Y Multi-function vibration pile hammer |
| 02/14/1996 | CN1116675A Device for press-in sinking of hydraulic post-vibration pile tip |
| 12/13/1995 | CN1030511C Pile-clamping device |
| 10/17/1995 | US5458204 Vibration pile driver for ramming and/or pulling of ram material |
| 09/12/1995 | US5449253 Method and apparatus for driving a tube into the ground by hammering, in particular for making a foundation pile |
| 06/03/1995 | CA2137127A1 Fastener for wire harness |
| 04/19/1995 | EP0648297A1 Method and apparatus for forcing piles into or out of the ground |
| 12/14/1994 | EP0628663A2 Device for driving and pulling of shoring elements when constructing trenches |
| 11/24/1994 | DE4415281A1 Fluid-actuated impact hammer |
| 11/24/1994 | DE4316824A1 Machine for driving in and withdrawing retaining-wall elements during the driving of trenches |
| 11/23/1994 | CN1095441A Pile clipping apparatus |
| 10/19/1994 | EP0620324A1 Shock absorbing apparatus and method for a vibratory pile driving machine |
| 05/10/1994 | US5310287 Method and device for driving a pile or the like into and out of the ground |
| 02/02/1994 | EP0581688A1 Method and device for forcing a pipe into the soil by ramming, especially for making a pile |
| 11/23/1993 | US5263544 Shock absorbing apparatus and method for a vibratory pile driving machine |
| 11/02/1993 | US5257667 Vibrating pile driver |
| 06/09/1993 | DE4139798A1 Use of motor-driven vibrating pile hammer - involves acceleration to operational RPM with masses in balance and activation of unbalance masses when desired RPM is reached |
| 05/25/1993 | US5213166 Pile driving and pile removing method |
| 04/15/1993 | WO1993007341A1 Method and apparatus for forcing piles into or out of the ground |
| 01/07/1993 | EP0521542A1 Method and device for driving a pile or the like into and out of the ground |
| 07/29/1992 | EP0496167A1 Vibrating pile driver |
| 06/02/1992 | US5117925 Shock absorbing apparatus and method for a vibratory pile driving machine |
| 08/14/1991 | DE4004115A1 Press for driving piles - has pile-gripping devices mounted on slide which can also be tilted |
| 01/15/1991 | US4984936 Stopper apparatus for rotary reaction force |
| 12/12/1990 | CN2067293U Pile driving or withdrawing vehicle |
| 10/04/1990 | DE4010357A1 Pile driving and pull-out hammer - has impact mass with lower end shaped as ramming piston, and cylindrical cavity in clamping jaw socket |
| 06/13/1990 | CN2058188U Guider of vibrating hammer |
| 06/13/1990 | CN1008382B Pile driver, pile drawer and/or drilling machine |
| 05/30/1990 | CN2057677U Dry steel pipe sample device of perfusion pile |
| 03/07/1990 | CN2054047U Three-section combined spring vibration absorber |
| 01/24/1990 | EP0351694A2 Stopper apparatus for rotary reaction force |
| 11/23/1989 | DE3815748A1 Device, displaceable on the leader of a construction vehicle, for driving in and extracting sections, and method |
| 11/30/1988 | CN88203949U Continuously adjustable eccentric moment four-axis vibrator |
| 11/22/1988 | US4785892 Pile driver, pile drawer and/or drilling machine |
| 12/30/1987 | CN87203829U Movable apparatus for preplacing pile |
| 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 |
| 04/02/1987 | DE3534392A1 Driving apparatus for placing and/or extracting sections |
| 04/01/1987 | EP0215998A2 A pile driver, pile drawer and/or drilling machine |
| 03/25/1987 | CN85106683A Apparatus for driving an elongated member into or out from the ground |
| 03/17/1987 | US4650008 Pile driver and extractor |
| 02/10/1987 | US4641715 Apparatus for driving and retracting ground rods or the like |
| 01/08/1987 | DE3523165A1 Apparatus for driving or forcing impact-driven bodies into place as well as for extracting impact-driven bodies |
| 12/30/1986 | EP0206384A1 Method and apparatus for withdrawing a tube or pile which has been driven into the soil |
| 11/25/1986 | US4624324 Turning mechanism operating alternately in opposite directions to facilitate the driving in or extracting of piles |
| 11/04/1986 | CA1213444A1 Turning mechanism operating alternately in opposite directions to facilitate the driving in or extracting of piles |
| 10/07/1986 | US4615400 Sonic drilling system employing spherical drill bit |
| 06/25/1986 | EP0185402A1 Method for constructing a concrete pile and device for the application of the method |
| 05/20/1986 | CA1204729A1 Device for driving and extracting piles, tubes, rods etc. |
| 04/30/1986 | CN85202910U Adjustment mechanism for eccentric moment of vibrating machine |
| 04/10/1986 | CN85108188A Drilling and /or lifting machine |
| 04/10/1986 | CN85108187A Pile driver, pile drawer and/or drilling machine |
| 02/04/1986 | CA1200118A1 Soil investigation device |
| 01/14/1986 | CA1199188A1 Drainage device |
| 11/26/1985 | US4555090 Fence post driving and pulling apparatus |
| 08/13/1985 | US4534419 Method for pile driving and dragging |
| 07/09/1985 | US4527637 Cycloidal drill bit |
| 05/14/1985 | US4516662 Rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like pieces |
| 03/27/1985 | EP0135479A1 Device for driving and extracting |
| 01/16/1985 | EP0131539A1 Noise attenuation of a pile driving rotating rocker |
| 08/28/1984 | US4468594 Electromagnetic percussion implement |
| 08/08/1984 | EP0100332A4 A drainage device. |
| 02/15/1984 | EP0100332A1 A drainage device |
| 09/13/1983 | US4403665 Sonic system for propelling pilings, drills and the like into the earth employing screw device |
| 08/18/1983 | WO1983002790A1 A drainage device |
| 07/06/1983 | EP0083141A2 A soil investigation device |
| 05/10/1983 | US4382475 Hydraulic hammering apparatus |
| 04/13/1983 | EP0076768A1 Apparatus for driving and drawing piles, tubes, sheet pilings, stakes, etc. |
| 02/08/1983 | US4372153 Pipe clamp and a probing device comprising a pipe clamp |
| 01/05/1982 | US4308924 Hydraulic vibrator for moving a ramming and drawing body and a method of moving the same |
| 12/02/1981 | EP0040811A1 Hydraulic hammering apparatus |
| 08/26/1981 | EP0034559A1 Method and apparatus for driving or extracting elements like piles |
| 01/27/1981 | US4247149 Mechanically actuated impact mechanism |
| 10/16/1980 | WO1980002174A1 A pipe clamp and a probing comprising a pipe clamp |
| 07/29/1980 | US4214638 Method of controlling the reversing of a device for driving holes in earth and device for performing same |
| 10/23/1979 | CA1064716A1 Resilient yoke mountings for vibratory pile drivers and extractors |
| 06/26/1979 | US4159039 Method and an apparatus of driving an article and extracting by strain energy |
| 04/10/1979 | US4148193 Method and apparatus for producing underground installations of concrete pipe |
| 08/15/1978 | US4106298 Device for the production of earth holes |
| 07/18/1978 | US4100974 Machine suspended from a crane or similar device for driving and extracting piling and the like |
| 07/11/1978 | US4099387 Sheet steel pile clamp |
| 12/06/1977 | US4061196 Resilient yoke mountings for vibratory pile drivers and extractors |