| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 09/15/1994 | DE4307993A1 Soil compacting machine |
| 09/14/1994 | EP0614709A2 In-situ remediation of contaminated soils |
| 09/14/1994 | CN1025923C Combination of explosion with strong tamping for compacting saturated open sand stratum |
| 09/13/1994 | US5347070 Treating soils contaminated with industrial and nuclear wastes |
| 09/13/1994 | US5346334 Apparatus for injecting soil conditioning fluid |
| 09/06/1994 | US5345034 Preventing groundwater pollution by injecting air to reduce hydraulic conductivity around contaminated area |
| 08/31/1994 | EP0612889A1 Lock for soil treating apparatus with rotating jet(s) |
| 08/31/1994 | EP0612273A1 Heating to detoxify solid earthen material having contaminants |
| 08/31/1994 | CN1025797C Deep layer strong rammer method on hole |
| 08/25/1994 | DE4324434C1 Process and apparatus for dewatering tailings |
| 08/24/1994 | EP0611849A1 Reinforced cell material |
| 08/23/1994 | US5340233 Pneumatically operated rammer |
| 08/18/1994 | DE4304816A1 Implement and method for stabilising and exploring soft subsoil |
| 08/17/1994 | EP0610661A2 Method and device for compacting a dump of old precompressed waste and obtaining a supplementary receiving capacity for new waste |
| 08/16/1994 | US5338465 Aqueous gellable composition with delayed gelling time |
| 08/10/1994 | EP0446307B1 Method of providing barrier between substrate and atmosphere |
| 08/04/1994 | DE4303742C1 Dewatering ground with high water content |
| 08/03/1994 | EP0608928A1 Method for accelerated consolidation of soil |
| 07/20/1994 | EP0606700A1 Water barrier formed from a clay-fiber mat |
| 07/19/1994 | US5330828 Wood fiber mat for soil applications |
| 07/19/1994 | US5330589 Hafnium alloys as neutron absorbers |
| 07/19/1994 | US5330291 Heating of solid earthen material, measuring moisture and resistivity |
| 07/12/1994 | US5327734 Passive-active thermosyphon |
| 07/07/1994 | WO1994014539A1 Apparatus for lifting and dropping a drop hammer |
| 07/06/1994 | EP0605075A1 Soil-cement compositions and their use |
| 07/05/1994 | US5326192 Methods for improving appearance and performance characteristics of turf surfaces |
| 06/30/1994 | CA2096692A1 Soil-cement compositions and methods |
| 06/29/1994 | CN1088650A Soil or ground reinforcement treatment method |
| 06/28/1994 | US5324433 In-situ restoration of contaminated soils and groundwater |
| 06/28/1994 | US5324137 Cryogenic method and system for remediating contaminated earth |
| 06/23/1994 | WO1994013889A1 A method and means for soil consolidation and their use |
| 06/23/1994 | WO1994013888A1 A method and means for soil consolidation and their use |
| 06/22/1994 | EP0602304A1 Soil or ground reinforcement treatment method |
| 06/22/1994 | CN1088283A Cement soil apparatus of underground borer |
| 06/22/1994 | CN1088136A Method of recycling construction and demolition debris |
| 06/21/1994 | US5322392 Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining |
| 06/14/1994 | US5320450 Method of recycling construction and demolition debris |
| 06/14/1994 | US5320448 Drive mechanism for a vibratory compactor |
| 06/09/1994 | DE4241018A1 Appliance for soil ramming - has support boom supported on ground via plate-shaped foot |
| 06/07/1994 | US5318116 Vacuum method for removing soil contaminants utilizing thermal conduction heating |
| 06/01/1994 | CN2167124Y Double-roller soil compacting machine |
| 05/31/1994 | US5316815 Tubular rubber structure made from used tires |
| 05/31/1994 | US5316411 Apparatus for in situ heating and vitrification |
| 05/26/1994 | DE4237999A1 Sealing and consolidating water- or gas-permeable areas in ground - involves mixing sealing and consolidation materials with gas and injecting into ground etc. using probes |
| 05/24/1994 | US5314266 Method of recycling construction and demolition debris |
| 05/18/1994 | EP0597735A1 Process for preparing an injection grout |
| 05/18/1994 | EP0597154A1 Method and apparatus for heating subsurface soil for decontamination |
| 05/18/1994 | EP0440825B1 Method of re-using slurry in ground improving construction work |
| 05/13/1994 | CA2102820A1 Process for the preparation of an injected grout |
| 05/11/1994 | EP0596792A1 Improved device for treating soil using rotating jets |
| 05/05/1994 | CA2082108A1 Method and apparatus for heating subsurface soil for decontamination |
| 05/04/1994 | EP0595515A1 Finned subterranean drainage device and method for fabricating the same |
| 05/04/1994 | CN1086280A Reinforcement of foundation and construction of same |
| 05/04/1994 | CN1086279A Horizontal substitution reinforcement method for foundation |
| 04/28/1994 | DE4236083A1 Soil consolidation and water barrier formation - by injecting silicate solns. contg. gelling agent and crosslinker |
| 04/27/1994 | EP0593893A1 Scraper for a rotating groundcompactor |
| 04/26/1994 | US5306104 Method and wand for injecting a liquid into the ground |
| 04/21/1994 | DE4303986C1 Prodn. device for injection base using injection lance inserted in borehole - has two part boring head at lower end of bore worm tube, first part being fixed in tube and second part non-rotatably fixed in first |
| 04/21/1994 | DE4235378A1 Method for erosion injection into soils etc - uses continuous process to cut open and mill out soil, and inject binding agent suspension continuously into hole |
| 04/19/1994 | US5304016 Method for forming a pillar in an earthen foundation |
| 04/13/1994 | CN1085283A Ground impregnating method |
| 03/31/1994 | DE4313476A1 Ground reinforcing and compacting method for construction sites - using injection of reinforcing material into ultrasonically measured ground cavity |
| 03/30/1994 | CN1084599A Drainage pile and drainage construction method thereof |
| 03/22/1994 | US5295769 Stirring apparatus for improving ground |
| 03/22/1994 | US5295767 Stabilizer for an in situ column drilling apparatus |
| 03/16/1994 | EP0586991A1 Apparatus and method for coupling elongated members |
| 03/16/1994 | CN2158890Y Tamping machine for loose soil |
| 03/16/1994 | CN1024028C Treating equipment for foundation |
| 03/15/1994 | US5294215 Method for constructing foundations and perimeter walls |
| 03/10/1994 | DE4230533A1 Exchange of road or ground material, esp. next to traffic lanes and building sites |
| 03/09/1994 | EP0585657A1 Device for replacing soil, especially next to roads and buildings |
| 03/03/1994 | WO1994004761A1 Method and apparatus for in-situ treatment of landfill waste and contaminated soil |
| 03/02/1994 | EP0584680A2 Method and device for deep vibrating with addition of liquid nitrogen |
| 03/01/1994 | CA2104986A1 Apparatus and method for coupling elongated members |
| 02/28/1994 | CA2105047A1 Method and apparatus for compacting garbage dumps by means of depth vibration |
| 02/24/1994 | DE4227326A1 Earth piercing appts. for soil treating method - or for mechanical, chemical, hydraulic or biological soil improvement |
| 02/22/1994 | US5288171 Method of recycling construction and demolition debris |
| 02/12/1994 | CA2079385A1 Soil drainage device with heat exchanger |
| 02/02/1994 | EP0581686A1 Method and apparatus for probing and inspecting an underground volume |
| 02/01/1994 | US5282699 Method and apparatus for densification of sands of silts |
| 01/26/1994 | EP0579631A1 Water extraction components produced by adhesive bonds, process for their manufacture and their use. |
| 01/26/1994 | CN2154287Y Multipurpose packing extrusion press |
| 01/18/1994 | US5279502 Apparatus and method for constructing compacted granular or stone columns in soil masses |
| 01/05/1994 | EP0438568B1 Process for in situ decontamination of subsurface soil and groundwater |
| 01/04/1994 | US5275739 In-situ restoration of contaminated soils and groundwater using calcium chloride |
| 01/04/1994 | US5275513 Apparatus and method for in-situ treatment of a medium |
| 12/23/1993 | WO1993025762A1 Improved drive mechanism for a vibratory compactor |
| 12/15/1993 | CN1079522A Frame movable type strong rammer |
| 12/14/1993 | US5269632 Method for strengthening the structural base of offshore structures |
| 12/14/1993 | US5269572 Apparatus and method for coupling elongated members |
| 12/08/1993 | CN1023028C Construction equipment for impact and extrusion pile |
| 11/23/1993 | US5263797 Hydraulic cement, water, dispersant |
| 11/23/1993 | US5263792 Finned subterranean drainage device and method for fabricating the same |
| 11/17/1993 | CN1078517A Rigid-body drainage pile and negative pressure drainage system |
| 11/16/1993 | US5261762 Tamping shoe of a vibration rammer |
| 11/10/1993 | CN2145811Y Hydraulic Vibrating or oscillating roller |
| 11/09/1993 | CA1323989C Multi-shaft auger apparatus and process for fixation of soils containing toxic wastes |
| 11/03/1993 | CN2145208Y Water-cooled gasoline internal-combustion rammer |
| 10/28/1993 | WO1993020943A1 Method of recycling construction and demolition debris |
| 10/27/1993 | CN2144666Y Cone rammer with heavy hammer |