| Patents for E02D 7 - Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds (4,652) |
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| 03/13/1984 | US4436452 Sonic pile driver system employing resonant drive member and phased coupling |
| 03/07/1984 | EP0102322A2 Device and method for driving-in foundation posts for railway masts |
| 02/16/1984 | WO1984000571A1 Diesel hammer capable of delivering uplift blows and method of using same |
| 02/07/1984 | US4430024 For use in driving or withdrawing tubular piles |
| 02/07/1984 | US4429751 Control system for pile hammers |
| 01/25/1984 | EP0099097A2 Device for producing a working power, in particular for rams, presses or the like |
| 01/24/1984 | US4427078 Pile-driving ram |
| 12/22/1983 | WO1983004424A1 Tool for driving in and guiding pegs for fixing stakes |
| 12/20/1983 | US4421180 Pile driver |
| 12/20/1983 | CA1158876A1 Deep vibrator |
| 12/07/1983 | EP0095801A1 Hydraulic pile driver |
| 12/06/1983 | CA1158055A1 Pile driving machines |
| 11/22/1983 | CA1157327A1 Method of automatic operation of a percussion apparatus |
| 11/15/1983 | US4415046 Deep vibrator apparatus and method of use |
| 10/11/1983 | US4408668 Impact transfer device for power rams |
| 10/11/1983 | US4408405 Underwater excavator |
| 09/20/1983 | US4405020 Automatic drive hammer system |
| 09/13/1983 | US4403665 Sonic system for propelling pilings, drills and the like into the earth employing screw device |
| 08/23/1983 | CA1152352A1 Method and apparatus for the dynamic testing of the loading of foundations |
| 08/16/1983 | US4398431 Mechanical power transmitting system |
| 06/28/1983 | US4390307 Pile-driving apparatus |
| 05/17/1983 | US4383582 Bouncer type pile driver |
| 05/17/1983 | CA1146366A1 Underground pipe pusher |
| 05/10/1983 | US4382475 Hydraulic hammering apparatus |
| 05/10/1983 | CA1145961A1 Quiet bouncer pile driver method and apparatus with annular air storage chamber encircling & traveling with bouncing piston weight |
| 04/13/1983 | EP0076768A1 Apparatus for driving and drawing piles, tubes, sheet pilings, stakes, etc. |
| 03/22/1983 | US4377355 Quiet bouncer driver thruster method with pressurized air chamber encircling massive bouncing piston |
| 03/16/1983 | EP0074195A1 Kentledge apparatus |
| 03/08/1983 | US4375927 Method and device for intermittently exerting forces on soil |
| 02/08/1983 | US4372707 Pile installation and removal mechanisms in off-shore rigs and method of using same |
| 02/01/1983 | US4371042 Fluid operated ram |
| 02/01/1983 | CA1140350A1 Pile jacking systems for off-shore oil platforms |
| 01/11/1983 | US4367800 Subsea pile driver |
| 12/28/1982 | US4365675 Pile driving assembly |
| 12/21/1982 | US4365306 Method and apparatus for remotely monitoring and evaluating pile driving hammers |
| 12/21/1982 | CA1137766A1 Apparatus and method for under-water jacking of piles |
| 12/07/1982 | US4362439 Hydrostatically operated underwater pile driver and method of operating same |
| 12/07/1982 | US4362216 Pile driving apparatus |
| 11/23/1982 | US4359890 Apparatus for testing the load-bearing properties of a foundation |
| 11/17/1982 | EP0016215B1 Ram block for driving piles and the like into the ground |
| 09/28/1982 | US4351624 File and jacket construction method and apparatus |
| 09/21/1982 | US4350214 Ram block |
| 09/21/1982 | CA1131922A1 Method and device for intermittently exerting forces on soil |
| 09/16/1982 | WO1982003098A1 Method and apparatus for anchoring off-shore structures |
| 09/08/1982 | EP0059648A1 Method of, and apparatus for, anchoring off-shore structures |
| 08/10/1982 | US4343570 Self-driving support assembly |
| 08/10/1982 | US4343368 Idle stroke braking unit for an impact device |
| 07/28/1982 | EP0056635A2 Pile installation and removal mechanisms in off-shore rigs and method of using same |
| 06/08/1982 | US4333492 Liquid inertia tool |
| 06/01/1982 | CA1124591A1 Percussive pneumatic impact device |
| 05/11/1982 | US4329077 Underground pipe pusher |
| 03/30/1982 | US4322182 Apparatus and method for under-water jacking of piles |
| 03/17/1982 | EP0047672A2 Hammer for driving piles |
| 03/16/1982 | CA1119823A1 Precast concrete threaded piling system |
| 03/10/1982 | EP0047224A1 Measuring device to determine the efficiency of a heat exchanger element |
| 03/09/1982 | US4318446 Linear motion impactor device |
| 03/04/1982 | WO1982000713A1 Device for measuring the yield of a heat exchange element |
| 03/04/1982 | WO1982000705A1 Device for driving in the ground heat exchange elements |
| 03/03/1982 | EP0046725A1 Method of driving heat exchanging elements of a geothermic installation |
| 03/02/1982 | CA1119017A1 Mechanical power transmitting system |
| 02/16/1982 | US4315550 Self-propelled apparatus for setting cemetery markers and the like |
| 02/09/1982 | US4314613 Pile-driving recoil damping device |
| 01/26/1982 | CA1116879A1 Method and apparatus for making holes in the ground, particularly in view of the subsequent planting of poles, stakes or similar |
| 01/19/1982 | US4311416 Pre-load jack system and method of driving element into the ground |
| 01/19/1982 | US4311415 Apparatus and method for increasing the load bearing strength of a pile |
| 01/05/1982 | US4308924 Hydraulic vibrator for moving a ramming and drawing body and a method of moving the same |
| 12/15/1981 | US4305800 Method of directing water by electro-osmosis to an electrically conductive pile |
| 12/02/1981 | EP0040811A1 Hydraulic hammering apparatus |
| 11/24/1981 | US4301874 Pile or sheet-pile driver |
| 11/11/1981 | EP0039654A2 Pyrotechnic device for anchoring piles or similar objects in the soil |
| 11/11/1981 | EP0039474A1 Immersion vibrator |
| 10/21/1981 | EP0038311A2 Improvements in pile driving machines |
| 09/22/1981 | CA1109279A1 Jack-up rig for marine drilling |
| 09/15/1981 | CA1108886A1 Linear motion impactor device |
| 09/08/1981 | US4288178 Apparatus for generating a retropulsive force on a body such as a pile |
| 08/18/1981 | US4283991 Percussion mechanism |
| 07/28/1981 | US4280772 Leadless method and apparatus for driving piles |
| 07/28/1981 | US4280567 Device for driving root supports of poles into the ground |
| 07/21/1981 | US4279313 Under water pile driver |
| 07/07/1981 | US4277676 Apparatus for measuring the fall height of a pile driver ram |
| 06/23/1981 | US4274761 Suspension arrangement for suspending of vibrating elements and the like |
| 06/23/1981 | CA1103468A1 Apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and the method for installing it |
| 06/02/1981 | US4271475 Apparatus for measuring the fall height of a pile driver ram |
| 06/02/1981 | CA1102280A1 Apparatus and method of assisting pile driving by electro-osmosis |
| 05/26/1981 | US4269542 Jack-up rig for marine drilling |
| 05/12/1981 | US4266465 Percussion mechanism |
| 05/05/1981 | US4265566 Apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and the method for installing it |
| 04/21/1981 | US4262755 Shock absorbing pile driver |
| 03/31/1981 | US4258905 Post-stake driver |
| 03/24/1981 | US4257722 Pile driving method |
| 03/24/1981 | US4257721 System for placement of piles into the seafloor |
| 03/24/1981 | US4257720 Apparatus and method for driving members into the ocean floor |
| 03/24/1981 | US4257488 Guide frame for a pile driving device |
| 03/11/1981 | EP0024748A2 Construction and/or application in relation to the generation or the use of pressures, forces, flows and movements in and by means of hydraulic or hydro-pneumatic systems |
| 03/10/1981 | CA1097185A1 Switching mechanisms |
| 02/25/1981 | EP0024207A1 Pile-driving apparatus |
| 01/28/1981 | EP0023167A1 Method and apparatus for the dynamic testing of piles |
| 01/28/1981 | EP0022791A1 Combined vehicle and working machine for making cylindrical holes. |
| 01/27/1981 | US4247149 Mechanically actuated impact mechanism |
| 12/30/1980 | CA1092378A1 Post driving attachment for tractor |