| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
|---|
| 08/17/1995 | WO1995021966A1 Process for sealing soil formations |
| 08/16/1995 | EP0667420A1 Process for sealing soil formations |
| 08/16/1995 | EP0667417A1 Method for sealing an impervious barrier in soil |
| 08/03/1995 | DE4402429A1 Method for construction of waterproof walls |
| 07/20/1995 | DE4401403A1 Ground solidifying and sealing |
| 06/29/1995 | DE4343851C1 Reinforced concrete underground curtain |
| 06/28/1995 | EP0659703A2 Method for making impervious barrier mass |
| 06/13/1995 | US5423637 Liner joining system and method |
| 06/08/1995 | DE4341637A1 Reliable low-maintenance liq. pumping device |
| 05/16/1995 | US5416257 Open frozen barrier flow control and remediation of hazardous soil |
| 05/11/1995 | DE4438553A1 Method and apparatus for installing a water-impermeable sheet in the ground |
| 04/26/1995 | CN1101959A Building construction and device for bottom draining of wet ground |
| 04/04/1995 | US5403125 Method and apparatus for providing underground barrier |
| 02/28/1995 | US5393363 Device for connecting a draining and/or insulating screen within a trench |
| 02/22/1995 | EP0639157A1 System for treating polluted groundwater. |
| 02/16/1995 | DE4325749C1 Welding apparatus for welding a welded section in a welding groove |
| 02/14/1995 | US5389166 Water barrier formed from a clay-fiber mat |
| 02/14/1995 | US5388931 Cutoff wall system to isolate contaminated soil |
| 02/02/1995 | DE4325751A1 Method, lock and welding device for the liquid-tight connection of diaphragm sections of a trench wall |
| 02/02/1995 | DE4325290A1 Wake nozzle |
| 01/11/1995 | EP0633361A1 Apparatus and method of constructing monolithic trench walls, sills and hard standings |
| 01/03/1995 | US5378278 Cement compositions for temporary structures |
| 12/21/1994 | EP0629745A2 An interlocking joint |
| 11/10/1994 | WO1994025688A1 Process for sealing off ground sites and device for carrying out this process |
| 10/20/1994 | DE4312231A1 Method and device for producing flat construction elements in the soil |
| 09/27/1994 | US5349765 Excavator for constructing underground continuous wall and construction method using the excavator |
| 09/01/1994 | WO1994019547A1 Method and apparatus for in situ installation of underground containment barriers under contaminated lands |
| 08/23/1994 | US5339893 Apparatus for containing toxic spills employing hybrid thermosyphons |
| 07/20/1994 | EP0606896A1 Device for unreeling and reeling of elongate membranes |
| 07/20/1994 | EP0606700A1 Water barrier formed from a clay-fiber mat |
| 07/07/1994 | DE4311917A1 Creation of consolidation areas below ground surface |
| 06/23/1994 | DE4242682A1 Non-sealing wall barrier layers |
| 06/14/1994 | US5320454 Method and apparatus for installing a flexible panel into a trench |
| 06/09/1994 | WO1994012735A1 Liquid-tight coupling for interconnected plastic webs forming a sealing wall |
| 06/08/1994 | EP0600017A1 Underground pollution control barrier. |
| 06/01/1994 | DE4311948A1 Flüssigkeitsdichtes Schloß für miteinander verbundene, eine Dichtungswand bildende Kunststoffbahnen Liquid-tight lock for interconnected, forming a seal wall plastic sheets |
| 05/05/1994 | DE4236489A1 Method to install sealing foil in subterraneous curtain wall - uses unrolling cage with prefabricated sealing foil section placed over wall ditch |
| 04/05/1994 | USRE34576 Casting of structural walls |
| 03/31/1994 | DE4231980A1 Erecting water-tight ground water tanks - whose entire sealing surface consists of plastics webs without any massive components |
| 03/24/1994 | DE4231896A1 Seal testing, esp. for flat seals - detecting changes in electrical characteristics caused by defects using point or small area probe in electrical circuit |
| 03/10/1994 | DE4229941A1 Erecting sealing wall with strip-shaped sealing element clamped to rigid, frame-shaped support - using winding drum for sealing element sinking, which exerts controllable resetting force onto sealing element sinking into ground slot. |
| 02/23/1994 | EP0583596A1 Drainage pipe |
| 02/23/1994 | CN2157224Y Improved retaining wall device |
| 02/08/1994 | CA2103686A1 Drainage pipe |
| 01/11/1994 | US5277517 Mobile cofferdam |
| 01/05/1994 | DE4221329A1 Sealing mat used in building - has bearer layer and cover layer formed by material strips and intermediate layer of swellable material |
| 12/01/1993 | EP0546154A4 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers |
| 11/25/1993 | DE4216546A1 Underground car park-garage for cars - has spaces arranged shelf like, one on top of the other and lift moving up and down with drop=off pallet to and from parking spaces |
| 11/11/1993 | WO1993022241A1 System for treating polluted groundwater |
| 10/13/1993 | EP0565411A1 Method for making an underground watertight screen and the screen so produced |
| 10/06/1993 | EP0563473A1 Excavator and method of using excavator |
| 10/06/1993 | CN1076981A Excavator for constructing underground continuous wall and construction method using the excavator |
| 10/05/1993 | USH1237 Method for stabilizing an area of the earth's surface |
| 09/29/1993 | EP0562238A1 Underground water cutoff wall and method of constructing the same |
| 09/21/1993 | US5246312 System and method for producing a composite cutoff wall |
| 09/09/1993 | DE4225497C1 Locking-joint-cleaning method in hardening wall - flushes out space between seals using agent of greater specific gravity than wall material in liquid state and removes after wall hardens |
| 09/02/1993 | DE4206204A1 Formwork in shape of truncated cone for excavations - with form frame consisting of pipework through which freezing medium is used to solidify ground for temporary work. |
| 09/02/1993 | DE4205455C1 Sealing wall of elements driven into ground for dumps - has performed elements welded fabrications, with connector at one side which slides over edge of neighbouring elements forming chamber |
| 08/18/1993 | CN1075347A Method for of anti-seepage underground diaphragm wall in mud |
| 08/11/1993 | CN2139954Y Vacuum filter spinning machine |
| 07/25/1993 | CA2060007A1 Hazardous waste containment system |
| 07/01/1993 | DE4143108A1 Mineral sealant esp. for underground waste dump - contains clay mineral mixed with ureate, water-glass and/or pptd. silica |
| 06/24/1993 | DE4141629A1 Method of constructing subterraneous curtain wall - uses self-hardening circulating suspension, enriched with fine ground materials, to form homogeneous wall material |
| 06/16/1993 | EP0546154A1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers. |
| 06/09/1993 | DE4140200A1 Vertical roller blind-type sealing for contaminated earth or waste dump - has wall elements with sealing edges in sealing track between guide pillars |
| 05/19/1993 | EP0541813A1 Wire saw excavator, cut-off wall or landslide protection construction constructed thereby and construction method thereof |
| 05/13/1993 | DE4136716A1 Equipment for prodn. of sealing walls in soil - involves roll of strip material laid in ditch and sealing mass filled into ditch from above |
| 04/13/1993 | US5201608 Process for sealing soil formations, especially waste dumps |
| 03/11/1993 | DE4040803A1 Determining required underpressure for causing ground water table to settle - extracting soil sample and deriving soil transmissivity to air phase, using direct relationship between relative air-water transmissivity and saturation potential function |
| 03/04/1993 | WO1993004237A1 Underground pollution control barrier |
| 02/17/1993 | CN1019917C Construction method and apparatus for bank revetment engineering with coarse-cloth layer |
| 02/11/1993 | DE4126408A1 Sealing wall construction for confining fluids in soil - has sealing wall introduced either continuously or in sections along excavated strip |
| 01/13/1993 | EP0522347A2 Product for making impervious barrier mass |
| 12/29/1992 | CA1311931C Method of constructing a vertical barrier wall in the ground, as well asapparatus for applying this method |
| 12/25/1992 | WO1993000483A1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers |
| 12/25/1992 | CA2090242A1 Apparatus and method for cutting soil and in situ construction of subsurface containment barriers |
| 12/15/1992 | CA1311352C Process for producing an acid-resistant barrier seal in soil, and concrete usable for this purpose |
| 12/10/1992 | WO1992021826A1 Wire saw excavator, cut-off wall or landslide protection construction constructed thereby and construction method thereof |
| 12/02/1992 | EP0338039B1 Process for sealing soil formations, in particular for creating waste disposal sites |
| 10/21/1992 | CN2119442U Continuous groove sawing machine for underground sealing apron |
| 10/14/1992 | EP0508859A1 Device for splicing an insulating and/or draining apron in a trench |
| 10/14/1992 | CN2118752U Vacuum displacing well-water equipment |
| 09/16/1992 | EP0503309A1 Method for accelerated freezing of soil |
| 08/27/1992 | DE4039016A1 Freezing dam-water feed protection for open-cast mining - uses freezing body introduced via freezing holes in mining edge with circulating cold medium in drill bars |
| 07/22/1992 | EP0495244A1 Method for building a sealing trench wall |
| 07/16/1992 | DE4100137A1 Underground soil retention wall - consists of piles of non-hardening material, and bridging elements |
| 07/15/1992 | CN1017459B Radial well for lowering level of ground water in foundation, and construction technology and apparatus thereof |
| 07/08/1992 | EP0494097A1 Device for inserting a screen into the ground, and use of such a device |
| 07/07/1992 | US5127771 Narrow or slotted wall which is introduced into a substratum and sealing wall composition contained therein |
| 06/17/1992 | DE4040805A1 Pump extracting ground water - has pressure sensor near water inlet linked to control mechanism |
| 06/02/1992 | US5118230 Method and apparatus for installation of leachate containment system |
| 04/29/1992 | EP0482405A1 Method for secondary construction of an underground sealing-base under a consisting dump |
| 04/23/1992 | DE4033874A1 Pump arrangement for building excavation |
| 04/23/1992 | DE4033506A1 Underwater installation system for geotextile mats - uses combination pontoon for installation, guidance, and rockfill |
| 04/23/1992 | DE4033117A1 Process for plant cultivation - involves using flat foil bag containing porous layer in bottom and absorbent layer above it |
| 04/16/1992 | DE4032646A1 Prevention of seepage from refuse dump - by digging narrow trench around dump and filling it with sealing compound |
| 04/08/1992 | EP0478831A1 Thin wall or trench wall with sealing mass, placed underground |
| 04/08/1992 | EP0478830A1 Sealing construction with a vertical trench wall and a filling mass therein |
| 01/14/1992 | US5080528 Method and apparatus for impounding fluids |
| 01/07/1992 | US5079088 Water impervious polymer membrane containing bentonite |