| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 04/18/1978 | US4084648 Process for the high-pressure grouting within the earth and apparatus adapted for carrying out same |
| 04/18/1978 | US4084383 Apparatus and method for multiple spindle kneading for improving ground |
| 04/18/1978 | US4084381 Injecting a slurry of lime, fly ash, surfactant, and water; strengthening |
| 04/04/1978 | US4082471 Universal hydraulic impact tool |
| 03/28/1978 | US4080792 Soil compaction system |
| 03/07/1978 | US4077731 Reinforcing wire laying machines and attachments |
| 02/28/1978 | US4075895 Method of obtaining periodical impacts in one direction |
| 02/21/1978 | US4074942 Compactor wheel with cross-shaped tips |
| 02/21/1978 | US4074735 Grouting tube |
| 02/14/1978 | US4073152 System for laying a subterranean water impervious asphalt layer |
| 02/07/1978 | US4072020 Aggregating sands; flooding with polymer emulsion containing stabilizer |
| 02/07/1978 | US4072017 Treating soil |
| 01/24/1978 | US4070129 Earth compacting equipment |
| 01/24/1978 | US4069678 Device for solidifying sludgy material in a surface layer |
| 01/10/1978 | US4067244 Self-propelled vibratory plate |
| 01/10/1978 | US4067198 Method and structural support for increasing load carrying capacity in permafrost |
| 01/10/1978 | US4067197 Means for stabilizing soil |
| 01/03/1978 | US4066375 Replacement cap for compactor wheel |
| 01/03/1978 | US4066374 Trench compactor |
| 01/03/1978 | US4065933 Method of reforming the ground |
| 01/03/1978 | US4065928 Method for constructing a reliable foundation in soft soil formations |
| 12/20/1977 | US4063523 Soil stabilizing apparatus |
| 12/20/1977 | US4063424 Device for constructing a foundation in soft soil formations |
| 11/22/1977 | US4058986 Ground stabilizing equipment |
| 11/15/1977 | US4057969 Method and device for obtaining a water-tight shield in the soil with the use of nozzles |
| 11/08/1977 | US4057500 Earth drain |
| 08/30/1977 | US4044563 Subsidence control |
| 08/23/1977 | US4043909 Apparatus and method for solidification of sludges |
| 08/23/1977 | US4043694 Vibratory compactor |
| 08/02/1977 | US4039265 Ditch-shaping roll and attachment for a road vehicle |
| 07/19/1977 | US4036286 Permafrost stabilizing heat pipe assembly |
| 06/21/1977 | US4030776 Fairlead and implement hitch and method of implement retrieval |
| 06/14/1977 | US4028897 Soil stabilization composition |
| 05/31/1977 | US4026719 Sulfur composition with mica |
| 05/24/1977 | US4024719 Reinforced road foundation and method for making said road foundation |
| 05/17/1977 | US4023325 Load bearing reinforced ground slab |
| 05/17/1977 | US4023288 Backhoe compactor/scraper apparatus and method |
| 04/26/1977 | US4019825 Soil compactor |
| 04/26/1977 | US4019331 Formation of load-bearing foundations by laser-beam irradiation of the soil |
| 04/05/1977 | US4015909 Tamping machine |
| 03/29/1977 | US4014620 Vibratory tamper |
| 02/08/1977 | US4006886 Soil compacting devices |
| 02/01/1977 | US4005944 Tamping apparatus |
| 01/25/1977 | US4004428 Sodium silicate, gelling agent, lactic, tartaric or citric acid |
| 12/14/1976 | US3997278 Vibration tamper device |
| 12/14/1976 | US3997018 Drive wheel assembly with high flotation tire for compaction vehicles |
| 12/07/1976 | US3995702 Reversible pneumatic percussive device for making holes in ground by compaction |
| 12/07/1976 | US3995690 Well point system |
| 11/02/1976 | US3989404 Dirt compacting and asphalt compacting roller unit |
| 10/26/1976 | US3988071 Cleaning bar assembly for compactor wheels |
| 10/19/1976 | US3986781 Structure for protecting and insulating frozen substrates and method for producing such structures |
| 10/12/1976 | US3984988 Obturating device, especially for injection tubes |
| 08/31/1976 | USRE28950 Water resistant adhesive, cellulose ethers, organo sulfonates |
| 08/03/1976 | US3972637 Reversible self-propelled plate compactor |
| 07/27/1976 | US3971223 Protection method |
| 07/27/1976 | US3971222 Soil stabilization |
| 06/29/1976 | US3966346 Compactor |
| 06/08/1976 | US3961856 Soil compacting machine |
| 06/08/1976 | US3961486 Pipe for sticking down drains into the ground |
| 05/11/1976 | US3955717 Methods and apparatus for flowing archable materials |
| 04/13/1976 | US3950110 Non-circular compaction roller, and a mounting therefor |
| 04/13/1976 | US3949561 Soil grouting apparatus |
| 04/06/1976 | US3948055 Method for controlling stress and increasing the strength of support members in coal mines |
| 03/16/1976 | US3943722 Ground freezing method |
| 02/24/1976 | US3939664 Large diameter tubular piles and the bedding thereof |
| 02/24/1976 | US3939662 Liquid impervious surface structures |
| 01/27/1976 | US3934421 Ground stabilization matting |
| 01/06/1976 | US3930741 Vibratory compactor attachment |