| Patents for E02D 31 - Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution (5,143) |
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| 09/25/1991 | EP0447649A1 Arrangement for covering sloping surfaces of bulk material |
| 09/24/1991 | US5050386 Method and apparatus for containment of hazardous material migration in the earth |
| 09/20/1991 | CA2038377A1 Arrangement for covering inclined loose material surfaces |
| 09/19/1991 | DE4008273A1 Sealing web for refuse dumps - has controlled unrolling and welding device for overlapping edges |
| 09/12/1991 | DE4107161A1 Water-and oil-tight damming mat |
| 09/12/1991 | DE4006814A1 Seal for waste tip - has central mineral layer enclosed by two asphalt layers and fluid impermeable lower asphalt layer |
| 09/11/1991 | EP0445788A1 Waterproof- and oilproof sealing mat to be used as water- and oil barrier |
| 09/03/1991 | US5044821 Improvement in a system for protecting foundation walls and the like |
| 08/29/1991 | WO1991013225A1 Apparatus and method for building a foundation for uprights or for making passages therethrough |
| 08/29/1991 | DE4100902A1 Attaching sealing membrane to substrates - using hooked pile type fasteners fixed to membrane and to e.g. foundation respectively so that bond can always be released if desired |
| 08/28/1991 | EP0443960A1 Process for construction of a building on a deformable and compressible ground and building thus constructed |
| 08/28/1991 | EP0443567A1 Sealing base for waste landfill |
| 08/27/1991 | US5043076 Mixture of water-swellable clay and zeolite and sodium bentonite ion exchangers |
| 08/22/1991 | DE4005176A1 Plastics film for protection against damp - incorporates rows of conical knobs with indentation in side wall |
| 08/21/1991 | EP0442753A2 Low temperature acrylic latex compositions and methods for waterproofing structures |
| 08/21/1991 | EP0442597A1 Moisture-impervious panel capable of rapid/delayed hydration |
| 08/21/1991 | EP0441921A1 Process and composting device for reutilizing organic refuse |
| 08/20/1991 | US5041330 Water and/or oil-impermeable sealing mat consisting substantially of a substrate layer, a layer of swellable clay and a cover layer |
| 08/17/1991 | CA2036354A1 Low temperature acrylic latex compositions and methods for waterproofing structures |
| 08/16/1991 | CA2034117A1 Moisture-impervious panel capable of rapid/delayed hydration |
| 08/01/1991 | DE4003007A1 Soil sealing system for protection against harmful materials - has compacted base covered by concrete between polyethylene film layers, reinforced concrete and filter and drainage layer |
| 07/30/1991 | US5035095 Basement wall structure to prevent water leakage |
| 07/25/1991 | DE4001278A1 Additional U-profile clamps engaging plastic sealing strips - which span expansion seams in base structure for special waste tip |
| 07/25/1991 | DE4001277A1 Building expansion joint seal - has round bars in pairs clamped against strip edge by clamping members |
| 07/24/1991 | EP0437723A2 Composite seal |
| 07/18/1991 | DE4000981A1 Adsorbent carbon in combined plastic or mineral tip support - purifies ascending or descending seeping contaminant |
| 07/18/1991 | DE4000653A1 Geophysical ground seal - has laminate of woven or knitted with plastic foam and nonwoven base |
| 07/17/1991 | WO1991010782A1 Improvement in a system for protecting foundation walls and the like |
| 07/17/1991 | EP0436928A1 Layered geosystem and method |
| 07/17/1991 | CA2070655A1 Improvement in a system for protecting foundation walls and the like |
| 07/11/1991 | DE4000315A1 Controlled drainage of refuse dumps- involves using sheet of sealing material which is covered with layers of coarse and fine sand - has low sensitivity to external mechanical influences and has suspended sensor or transducer |
| 07/09/1991 | US5030034 Soil pollution monitoring system and apparatus |
| 07/04/1991 | DE3943288A1 Fabric for ground stabilisation - is of structured filaments to give low max. tensile strength with high start module in non-slip character |
| 07/02/1991 | US5027575 Method and apparatus for composite pole repair |
| 07/02/1991 | CA1285397C Secure landfill and method of operating a landfill for hazardous waste |
| 06/29/1991 | CA2024492A1 Layered geosystem and method |
| 06/27/1991 | WO1991009155A1 Novel electrodes and cathodic protection system |
| 06/27/1991 | DE3941357A1 Forming sealing structure under contaminated ground - uses tunnel-shaped pits on sealing section either side with three coupling lines |
| 06/20/1991 | DE3941358A1 Sealing undersurface of layer of contaminated soil - by placing layer of waterproof material under soil |
| 06/19/1991 | EP0433089A1 Improved fluid directing systems |
| 06/16/1991 | WO1991009513A2 The efficient structure |
| 06/16/1991 | CA2049335A1 Efficient structure |
| 05/29/1991 | EP0429273A1 Lining of landfill sites |
| 05/23/1991 | DE3937638A1 Collecting tub for polluting chemicals - has cover and bottom metal layers welded together along edges with space between |
| 05/21/1991 | US5017046 Method of protecting a structure constructed on ground liable to be liquefied |
| 05/21/1991 | US5017042 Fluid directing systems |
| 05/15/1991 | EP0328608B1 Process and device for subsequent incorporation of an underground seal under a refuse dump |
| 05/14/1991 | US5014474 System and apparatus for limiting the effect of vibrations between a structure and its foundation |
| 05/08/1991 | EP0425950A2 Construction erected from plates or shells of glass. |
| 05/08/1991 | DE3936351A1 Contaminated land reclamation - using additive-free hard coal fly-ash for load-bearing filler layers |
| 05/07/1991 | US5013183 Apparatus for drawing off ground air |
| 05/02/1991 | DE3935172A1 Set of pipes with concrete casing - has sealed cladding, consisting of curved glass pieces with axial and peripheral joins |
| 04/25/1991 | DE3935354A1 Flexible mat made in long lengths - is for use on railway tracks for sound proofing and has smooth protective finish and reinforced inlay with hollow voids |
| 04/18/1991 | WO1991003441A3 Process and composting device for reutilizing organic refuse |
| 04/10/1991 | EP0420924A1 Barrier membranes e.g. for use in building. |
| 04/02/1991 | US5003750 Method for reducing immunogenic and/or toxic substances in indoor air |
| 03/28/1991 | DE3931013A1 Arrangement for removing volatile impurities from ground water - in which efficiency of system for passing cleaning gas through water in borehole is improved by recirculating some of used cleaning gas |
| 03/26/1991 | US5002431 Method of forming a horizontal contamination barrier |
| 03/21/1991 | WO1991003441A2 Process and composting device for reutilizing organic refuse |
| 03/20/1991 | EP0418209A1 Leak detecting procedure |
| 03/19/1991 | US5000618 Method to prevent clogging of geotextiles and geonets |
| 03/14/1991 | DE3929682A1 Sealing strip with improved resistance against hydrocarbon(s) - comprises plastic strip sprayed with very thin layer of polyester |
| 03/14/1991 | DE3929075A1 Verfahren zur wiederverwertung organischer abfaelle und rottevorrichtung zur durchfuehrung des verfahrens Method for recycling organic waste and rotting apparatus for performing the method |
| 03/07/1991 | WO1991002850A1 Hazardous waste containment system |
| 03/07/1991 | DE3929530A1 Casing for vertical shaft in refuse dump - comprises vertical series of polyethylene cylinders arranged to successively overlap at edges leaving gap filled with grit round shaft |
| 03/05/1991 | US4997701 Flexible sheet for pond liner or foundation sealant |
| 03/05/1991 | US4997695 Seawater flow restriction |
| 02/26/1991 | US4995764 Technique for stabilizing building foundations |
| 02/26/1991 | US4995309 Reversible |
| 02/21/1991 | DE3927126A1 Seal for engineered structures e.g. industrial reservoir floor - comprises sealing plate layer of non-corrosive metals stuck on solid lower layer e.g. concrete with fine layer |
| 02/14/1991 | DE3926264A1 Soil surface seal inserting mechanism - has drive shield assembly, contg. cutter shield with coupled follower shield, with drive blade on cutter |
| 02/13/1991 | EP0412630A2 In situ treatment of waste water to prevent ground water contamination |
| 02/11/1991 | CA2013904A1 In situ treatment of waste water to prevent ground water contamination |
| 02/06/1991 | EP0246311B1 Water barrier |
| 01/29/1991 | US4988237 Soil gas reduction system |
| 01/23/1991 | EP0323482B1 Process for purifying polluted materials and use of the product thus obtained |
| 01/17/1991 | DE3922402A1 Sealing drainage trough - using layers of film with sepg. layer contg. curable liq. resin, etc. for water- and gas-tight seal |
| 01/16/1991 | EP0407546A1 Process for consolidating and sealing old refuse dumps. |
| 01/10/1991 | DE4024245A1 Sealing system for old rubbish dump - has mines trough-section gallery below to form inclined sealing dish |
| 01/08/1991 | US4983449 Protective wrapping material |
| 01/03/1991 | DE4006022A1 Construction of road underpass or subway - has floor formed by two layers of concrete separated by waterproof sheet |
| 01/02/1991 | EP0404999A1 Method of sealing landfills or the like |
| 12/27/1990 | WO1991000395A1 Laminated sheet for protecting underground vertical walls |
| 12/27/1990 | WO1990015908A1 Soil-sealing system |
| 12/27/1990 | CA2063272A1 Laminated sheet for protecting underground vertical walls |
| 12/19/1990 | EP0402844A2 Arrangement at a hollow construction embedded in the ground for the transportation or storage of polluting liquids |
| 12/13/1990 | DE3936382A1 Welded connection between piped and sealing sheets - in which simpler improved weld is achieved by reducing thickness of pipe flange to that of sheet seal |
| 12/11/1990 | CA1277800C Method of sealing water leakage in concrete structures |
| 12/06/1990 | WO1990015290A1 Radon treatment system and method |
| 12/06/1990 | CA2033212A1 Radon treatment system and method |
| 12/04/1990 | US4974425 Closed cryogenic barrier for containment of hazardous material migration in the earth |
| 12/04/1990 | US4974379 Textural break foundation wall construction modules |
| 11/29/1990 | WO1990014222A1 Leakproofing for hazardous waste |
| 11/27/1990 | US4973196 Process for the intermediate sealing of dumps |
| 11/08/1990 | DE3914685A1 Sealing base layer for land-fill site - made by injecting three layers of thixotropic mineral and/or synthetic organic material |
| 11/07/1990 | EP0395836A1 Plastic sheeting for sealing |
| 10/30/1990 | US4966492 Flexible sealing sheet |
| 10/23/1990 | US4964566 Forced air ventilating device |
| 10/06/1990 | CA2012896A1 Method to prevent clogging of geotextiles and geonets |
| 10/04/1990 | DE3910504A1 Subsequent redevelopment of landfill sites |