| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
|---|
| 11/16/1984 | EP0049265A4 Pond with filtered water. |
| 10/17/1984 | EP0121808A2 Isolation of noxious matters in soil layers |
| 10/17/1984 | EP0121559A1 Method and apparatus for impounding fluids |
| 08/30/1984 | WO1984003315A1 Environmental cut-off for deep excavations |
| 06/05/1984 | US4452548 Pond with filtered water |
| 05/30/1984 | EP0109397A1 Hollow foundation element and manufacturing method thereof. |
| 05/08/1984 | CA1166856A1 Method and apparatus of constructing a novel underground impervious barrier |
| 04/12/1984 | WO1984001358A1 Method and apparatus for impounding fluids |
| 01/25/1984 | EP0098886A1 Mat of resilient material |
| 12/08/1983 | WO1983004276A1 Hollow foundation element and manufacturing method thereof |
| 12/06/1983 | US4419030 Apparatus for and method of constructing a sheet piling shoring structure |
| 10/26/1983 | EP0092349A1 Wellpoint system |
| 10/11/1983 | US4408405 Underwater excavator |
| 09/13/1983 | US4403891 Natural cellulose fibers, paper stock and bentonite |
| 08/17/1983 | EP0086001A1 Method for manufacturing a screen that obstructs the flow of subsoil water |
| 06/07/1983 | US4386872 Dredge environ protection assembly |
| 05/04/1983 | EP0077943A1 Method of constructing a tunnel |
| 04/05/1983 | CA1143957A1 Waterproofing barrier |
| 03/23/1983 | EP0074686A1 Method for manufacturing a ground water flow restricting screen in the ground, and screen and apparatus for application of said method |
| 11/09/1982 | US4358222 Methods for forming supported cavities by surface cooling |
| 11/02/1982 | CA1134633A1 Subterranean drain system for basements |
| 10/20/1982 | EP0062808A1 Method and apparatus of constructing a novel underground impervious barrier |
| 08/17/1982 | US4344722 Waterproofing barrier |
| 06/29/1982 | US4337006 Device for preparing and cleaning trench for an aquifer recharging system |
| 04/14/1982 | EP0049265A1 Pond with filtered water |
| 10/15/1981 | WO1981002905A1 Pond with filtered water |
| 09/08/1981 | US4288174 System for groundwater flow control |
| 07/21/1981 | US4279547 Bentonite-gelled oil waterproofing composition |
| 04/07/1981 | US4260334 Ground dewatering system |
| 04/07/1981 | US4260283 De-watering system |
| 09/16/1980 | US4222685 Pond sealing |
| 07/29/1980 | CA1082439A1 Method of reducing frost heaving of ground |
| 06/24/1980 | US4209568 Bentonite-gelled oil waterproofing composition |
| 01/01/1980 | CA1069033A Water barrier panel and method |
| 01/01/1980 | CA1068915A Method and apparatus for building below ground slurry walls |
| 05/15/1979 | US4154553 Method of reducing frost heaving of ground |
| 05/15/1979 | US4154549 Method of sealing soil and other materials against the leakage of liquids and gases |
| 12/26/1978 | CA1044901A1 Method and device for obtaining a water-tight shield in the soil with the use of nozzles |
| 08/01/1978 | US4103499 Bentonite, dispersant, water soluble polymer |
| 07/04/1978 | US4098089 Method of laying subsoil membranes |
| 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 |
| 06/28/1977 | US4031676 Water blocking device |
| 05/03/1977 | US4020902 Well point system |
| 03/15/1977 | US4011728 Means for producing subaqueous and other cast-in-place concrete structures in situ |
| 12/07/1976 | US3995690 Well point system |
| 10/19/1976 | US3986365 Soil sealing method |
| 10/12/1976 | US3984989 Means for producing subaqueous and other cast-in-place concrete structures in situ |
| 07/13/1976 | US3968658 Method and apparatus for introducing water-proof sheeting into the ground in a vertical position |
| 03/16/1976 | US3943722 Ground freezing method |