| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 12/18/1997 | WO1997047823A1 Crawler type vibratory compacting machine |
| 12/18/1997 | WO1997047822A1 Woven fabric mat and woven fabric mat fastener |
| 12/17/1997 | CN1167860A Cement and soil composite pile, its making method and special equipment |
| 12/16/1997 | US5697733 Centrifugal force vibration apparatus and system |
| 12/16/1997 | CA2118220C Method of recycling construction and demolition debris |
| 12/10/1997 | EP0810887A2 Sheet-like superabsorbent structures |
| 12/10/1997 | CN1167188A Ultra high strength ramming method for deep layer in hole |
| 12/09/1997 | US5695298 Control of a compacting machine |
| 12/04/1997 | WO1997045211A1 System and method for containing leachate using submerged counterflow sink |
| 12/02/1997 | US5692343 Surface layer ground establishment block, surface layer ground using the same and method for utilizing the same |
| 11/26/1997 | EP0808390A1 Mixture of granular materials for soil reinforcement, and method for making same |
| 11/26/1997 | CN2268725Y Bridge head rammer |
| 11/20/1997 | DE19622852A1 Surface reinforcement of roads, paths, garage areas etc. |
| 11/20/1997 | DE19622851A1 Surface reinforcement of roads, paths, garage areas etc. |
| 11/18/1997 | US5688073 Earth drains |
| 11/18/1997 | US5687799 Wheel assembly for a compacting machine |
| 11/12/1997 | CN2267272Y Horizontal extrusion type pore-filling machine |
| 11/12/1997 | CN2267271Y Road tamping machine |
| 11/05/1997 | EP0804652A2 Filling up process for water-proofing engineering objects buried in the ground |
| 11/04/1997 | US5683208 Granular materials and method of soil reinforcement |
| 11/04/1997 | US5683042 Mobile compactor, pulverizer and cutting apparatus and method therefor |
| 10/29/1997 | EP0802804A1 Biodegradable articles made from certain trans-polymers and blends thereof with other biodegradable components |
| 10/22/1997 | CN1162672A Method for making foundation frame |
| 10/16/1997 | WO1997038172A1 Apparatus and method for liquefaction remediation of liquefiable soils |
| 10/16/1997 | DE19629324C1 Vibration plate with floor contact plate |
| 10/15/1997 | CN1162036A Method for quickly drainaging soft subgrade and apparatus thereof |
| 10/14/1997 | US5676493 Compaction machine wheel |
| 10/02/1997 | WO1997036057A1 Reinforcement frame for structures and method of constructing building structures utilizing the same reinforcement frame |
| 10/02/1997 | DE19612074A1 Preparation of e.g. road foundation by mixing in chalk, cement etc. |
| 10/02/1997 | DE19608815C1 Device for producing sealing floor in ground, used in construction |
| 10/02/1997 | CA2249634A1 Reinforcement frame for structures and method of constructing building structures utilizing the same reinforcement frame |
| 10/01/1997 | CN2263777Y Dewatering hose construction length automatic recording instrument |
| 09/24/1997 | CN1035960C Compound pile foundation construction method |
| 09/18/1997 | DE19601423A1 Method of soil exchange for railways |
| 09/17/1997 | EP0795060A1 A compactor |
| 09/16/1997 | US5667339 Cryogenic method and system for remediating contaminataed earth |
| 09/12/1997 | WO1997033113A1 Machine for improving the soil |
| 09/10/1997 | CN1158932A Low-vacuum prepressurizing process for reinforcing and raising soft soil foundation |
| 09/10/1997 | CN1158931A Soft base treating method by using permeable hose |
| 08/26/1997 | US5660500 System for decontamination of contaminated soil in a zone |
| 08/26/1997 | US5660055 Apparatus for extraction of marine sediments via freezing |
| 08/20/1997 | EP0541812B1 Construction method of improving or strengthening ground |
| 08/19/1997 | US5658091 Apparatus for inserting prefabricated vertical drains into the earth |
| 08/13/1997 | EP0788844A1 Method for vertical displacement of masses, in particular soil masses and device therefor |
| 08/13/1997 | CN1156777A Construction method for preventing clay soil foundation from disturbance and earthquake disaster |
| 08/12/1997 | US5656239 Method for recovering contaminants from soil utilizing electrical heating |
| 08/06/1997 | CN1156200A Compacting construction method for foundation pouring at present |
| 08/05/1997 | US5654064 Two layers of nonbiodegradable geotextile with clay between |
| 07/30/1997 | EP0786673A2 Method and apparatus for probing and inspecting an underground volume |
| 07/23/1997 | EP0785035A1 Process for remediating soil |
| 07/23/1997 | CN1154996A Chemical liquid for pouring foundation |
| 07/17/1997 | WO1997025486A1 Method of disintegrating and mixing soil and apparatus therefor |
| 07/17/1997 | WO1997025485A1 Crawler type soil improving machine |
| 07/17/1997 | CA2193792A1 Ground heating system |
| 07/15/1997 | US5647690 Low cost installation of columns of material |
| 07/09/1997 | EP0782649A1 Method of thawing frozen ground |
| 07/09/1997 | EP0758368A4 Stabilising soil and aggregate mixtures and structures |
| 07/09/1997 | CN1153846A Method for preventing damage caused by fluidized phenomenon and recovery of damaged foundation |
| 07/08/1997 | US5645376 Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| 07/08/1997 | US5645370 For soil packing |
| 07/02/1997 | CN1153246A Special equipment for increasing foundation strength and treatment method thereof |
| 07/02/1997 | CN1035342C Method and apparatus for making compaction pile |
| 07/01/1997 | US5642967 Crawl space moisture control method |
| 06/19/1997 | WO1997021876A1 Mixture of granular materials for soil reinforcement, and method for making same |
| 06/19/1997 | CA2212928A1 Mixture of granular materials for soil reinforcement, and method for making same |
| 06/17/1997 | US5639182 In situ treatment of soil |
| 06/10/1997 | US5636457 Method of dredging via freezing and removing sediment |
| 05/28/1997 | EP0775512A1 Method for removing a liquid from a mixture |
| 05/28/1997 | EP0775237A1 Improved surfaces for sporting and other activities |
| 05/21/1997 | EP0774543A1 Method for providing consolidation of ground |
| 05/21/1997 | EP0774025A1 Pyrotechnic tool firing device |
| 05/20/1997 | US5631160 Method for in situ soil remediation |
| 05/15/1997 | WO1997017497A1 Process and device for ground stabilisation |
| 05/15/1997 | CA2190214A1 Instantaneous consolidation method by impregnation of ground |
| 05/14/1997 | EP0773329A1 Method of alleviating ground disaster |
| 05/14/1997 | EP0773328A1 Method of stabilizing soft ground |
| 05/14/1997 | CA2190213A1 Method of preventing damage to loose sand ground or sandy ground due to seismic liquefaction phenomenon, and of restoration of disaster-stricken ground |
| 05/14/1997 | CA2190212A1 Method of preventing charges in the nature of viscous ground found in the foundation created for roads, banks or the like, and of preventing earthquake disaster |
| 05/09/1997 | WO1997016604A1 Cell confinement structure |
| 05/06/1997 | US5626437 Filtration through porous pellets inoculated with microorganisms |
| 04/30/1997 | CN2253359Y Horizontal and inclined bore high-pressure rotary jetting apparatus |
| 04/24/1997 | DE19538585A1 Base barrel with continuous carriage pipe |
| 04/24/1997 | DE19538584A1 Base barrel with tapered ring shaped circular elevations |
| 04/17/1997 | WO1997013924A1 Soil levelling device |
| 04/17/1997 | WO1997013728A1 Method and apparatus for dewatering frozen marine sediments |
| 04/17/1997 | DE19637991A1 Injection device for pressurised cement suspension |
| 04/16/1997 | EP0768432A1 Drainage system and method for earth and walls using a granular material |
| 04/09/1997 | CN1147046A Jolt oscillating rammer for building |
| 04/08/1997 | US5618133 Vibrating mechanism and apparatus for generating vibrations for a vibration compacting roller with variable amplitude |
| 04/03/1997 | WO1997011858A1 A soil compactor and traction control system thereon |
| 04/03/1997 | CA2229751A1 A soil compactor and traction control system thereon |
| 04/01/1997 | US5616235 Electrolyte conditioning |
| 03/19/1997 | CN1145434A Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member |
| 03/19/1997 | CN1145433A Structural method for inserting core material into hardening layer, its appts. and core material |
| 03/19/1997 | CN1145432A Jet pouring appts. for ground hardener |
| 03/18/1997 | US5611642 Remediation apparatus and method for organic contamination in soil and groundwater |
| 03/13/1997 | DE19515084C1 Ground-compacting system using explosive charges |
| 03/12/1997 | EP0760710A1 Apparatus for lifting and dropping a drop hammer |
| 03/06/1997 | WO1997008397A1 Control device for soil improvement machine |
| 03/06/1997 | WO1997007878A1 Drive device for disintegrating mixer |