Patents
Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968)
07/1981
07/28/1981US4280770 Apparatus for compacting soil
07/28/1981CA1105950A1 Accelerating agents for accelerating hardening of cement
07/14/1981US4278368 Apparatus and method for compacting material
07/14/1981CA1104841A1 Process and device for on site treatment of sludges and silts
07/08/1981EP0031352A1 An eccentric element.
06/1981
06/16/1981US4273475 Load supporting structure
06/03/1981EP0029816A1 Ditching method and device
06/02/1981US4270875 Method of creating landfill from red mud
05/1981
05/28/1981WO1981001433A1 Ditching method and device
05/28/1981WO1981001432A1 Method and apparatus for producting and laying a ballasted mat for ground stabilization
05/26/1981US4269535 Earth working implement control system
05/19/1981CA1101259A1 Soil compaction
05/12/1981CA1100747A1 Soil stabilization method and compositions
04/1981
04/29/1981EP0027512A1 Apparatus for surveying the degree of compaction
04/07/1981US4260281 Method and apparatus for stabilizing a fill slope
03/1981
03/24/1981US4257814 For use in filling the cavities in underground mines
03/11/1981EP0024777A1 Supporting fabric for bearing bulk material and a method of building road, dike or dam embankments
03/03/1981CA1096646A1 Method and apparatus for improving soft viscous ground
02/1981
02/24/1981US4252474 Stabilization of rock formations
02/11/1981EP0023624A2 Mass-compensated tamping or striking system
02/10/1981US4249836 Method and apparatus for building below ground slurry walls
01/1981
01/27/1981CA1094350A1 Vibratory device
01/22/1981WO1981000123A1 An eccentric element
01/13/1981US4244664 Method and apparatus for on-site treatment of mud and silt
12/1980
12/10/1980EP0019676A1 Method and apparatus for the accelerated consolidation of finegraded soils by charging a membrane
11/1980
11/25/1980US4235562 Land reclamation system
11/25/1980US4235371 Track arrangement for a railroad
11/11/1980US4233015 Employing quicklime in stabilizing earth
10/1980
10/21/1980US4229122 Hole filling and sealing method and apparatus
10/15/1980EP0017548A1 Construction material, its application as a filler,a coating or a foundation mass to loose soil; process and apparatus for manufacturing this material
10/15/1980EP0017511A1 Compactor
10/14/1980US4227827 Vibratory compacting roller
10/07/1980US4226557 Injection process and injection apparatus for solidifying a ground
10/07/1980US4226556 Injection process and injection apparatus for solidifying a ground
10/01/1980EP0016539A1 An impact roller and a method of imparting impact blows cyclically to a surface
09/1980
09/23/1980US4224003 Backhoe mounted vibrating plate soil compactor
09/23/1980CA1086122A1 Replacement cap for compactor wheel
09/23/1980CA1086121A1 Plate type compactor
09/09/1980US4221499 Vibratory device
07/1980
07/29/1980US4214633 Soil stabilizer and tooth holder therefor
07/29/1980CA1082440A1 Process for reinforcing geological formations
07/23/1980EP0013446A1 A method and a device for intermittently exerting forces on soil
07/15/1980CA1081485A1 Method of stabilising ground of low bearing capacity, and a stabilising unit for carrying out the method
06/1980
06/24/1980CA1080210A1 Implement, consisting of a trolley with an upright ground-preparation or compacting tool
05/1980
05/28/1980EP0011429A1 Treating soils by injecting grout
05/27/1980CA1078238A1 Plate vibrator
05/13/1980CA1077282A1 Device for vibrating the soil
04/1980
04/22/1980US4199625 Rendering porous structures impermeable by treatment with pH insensitive gelable compositions of amide polymers
04/08/1980CA1075017A1 Using improved sorptive coal materials to remove methane gas from refuse fills and preventing the further production thereof
04/01/1980US4195947 Bearing arrangement for roller bodies in compacting rollers
03/1980
03/18/1980US4193468 Combination vehicle underpan and maintenance platform
03/18/1980CA1073686A1 Method and a device for introducing a tubular assembly into the soil
03/11/1980CA1073572A1 Sulfur composition with mica
01/1980
01/29/1980US4186197 Vibration ram
01/22/1980US4184787 Vibration device for ground compacting
01/22/1980CA1070101A1 Soil stabilisation composition
01/01/1980CA1068915A Method and apparatus for building below ground slurry walls
12/1979
12/12/1979EP0005835A1 Gelable aqueous mixtures of polyamide aliphatic polyaldehyde and metal hypohalite; the resulting gel and rendering porous structures impermeable with the mixtures
11/1979
11/06/1979CA1065628A1 Ground stabilization equipment
11/06/1979CA1065627A1 Split air convection pile
10/1979
10/09/1979US4170427 Vibrating tamper
09/1979
09/25/1979US4168593 Depositing a solution of a metal salt and then a polymer latex coagulable by said salt
09/18/1979CA1062522A1 Cleaning bar assembly for compactor wheels
09/04/1979US4166508 Method and a device for introducing a tubular assembly into the soil
07/1979
07/10/1979CA1057965A1 Soil injection machine
07/03/1979CA1057558A1 Compactor wheel with gross-shaped tips
06/1979
06/26/1979US4159190 Laydown tool for plastic crop-irrigation tubing
06/26/1979CA1057092A1 Tubular one-way closure for injecting a material into a hole
06/26/1979CA1057068A1 Artificial and natural structures
05/1979
05/29/1979US4156576 Pneumatically controlled tamper
05/22/1979US4155527 Trolley with supporting stand
04/1979
04/24/1979CA1053117A1 Universal hydraulic impact tool
04/10/1979US4149253 Soil compacting apparatus
04/03/1979US4147448 Method of operating a compaction roller assembly, and a compaction roller assembly
03/1979
03/27/1979US4146094 Tubular one-way closure for injecting a material into a hole
03/20/1979US4145156 Plate vibrator
02/1979
02/20/1979CA1048927A1 Plug for injection
01/1979
01/30/1979US4136992 Method of stabilizing ground of low bearing capacity, and a stabilizing unit for carrying out the method
01/23/1979CA1046820A1 Reversible self-propelled plate compactor
01/09/1979US4133179 Soil stabilizing method using air bubbled solidifying suspension
12/1978
12/26/1978CA1044901A1 Method and device for obtaining a water-tight shield in the soil with the use of nozzles
11/1978
11/28/1978US4127351 Dynamic soil compaction
11/28/1978US4126999 Device for vibrating the soil
11/21/1978US4126007 Compaction of soil
11/14/1978US4124982 Method of stabilizing soil in pile bearing regions
10/1978
10/17/1978US4120163 Soil treatment
09/1978
09/19/1978CA1038649A1 Method of producing periodic shocks in one direction
09/12/1978US4113403 Plate type compactor
09/12/1978US4113014 Polyurethanes
09/12/1978US4112692 Soil compaction system
09/12/1978CA1038244A1 Formation of glass fibre reinforced unsaturated polyester resin sheets on ground surfaces
09/05/1978US4111258 Split air convection pile
08/1978
08/01/1978US4104001 Reciprocating tamping tool
08/01/1978US4103554 Method and a device for ascertaining the degree of compaction of a bed of material with a vibratory compacting device
07/1978
07/18/1978US4100861 Soil stabilizing apparatus
07/18/1978US4100688 Earth working apparatus
07/04/1978US4098344 Earthworking implement
06/1978
06/13/1978US4094150 Acrylamide, n,n*-methylenebisacrylamide, diatomaceous earth
05/1978
05/23/1978US4090555 Heat pipe assembly
05/16/1978US4089183 Consolidation construction for improving soft, unstable foundation
1 ... 79 80 81 82 83 84 85 86 87 88 89 90