| Patents for B09B 1 - Dumping solid waste (2,922) |
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| 10/10/1991 | DE4010638A1 Underground storage of containers of radioactive waste |
| 10/08/1991 | US5054962 Process for sealing the surface of dumps |
| 10/01/1991 | CA1289869C Well head with adjustable flow for the exploitation of biogas |
| 09/25/1991 | EP0447649A1 Arrangement for covering sloping surfaces of bulk material |
| 09/24/1991 | US5051031 Fly ash or fluidized bed combustion residue mixed with sludge, storage to remove pathogens |
| 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 |
| 09/18/1991 | EP0446390A1 Welding of plastic sealing webs in trench walls |
| 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 |
| 09/05/1991 | DE4006359A1 Procedure for the operation of a waste material tip - the tip is constructed so as to exclude environmental air and water, and liquid and air are added in a controlled manner |
| 08/29/1991 | DE4005805A1 Disposal of nuclear submarines at end of service - by encapsulating submarine in concrete for storage filling inside of submarine with concrete |
| 08/28/1991 | EP0443567A1 Sealing base for waste landfill |
| 08/27/1991 | US5043077 Adding humic acids and esters to reduce viscosity |
| 08/20/1991 | US5040920 Disposal of waste ash |
| 08/20/1991 | US5040900 Sludge stabilizing method and apparatus |
| 08/14/1991 | EP0441169A2 Method and device for in situ remediation of contaminated areas |
| 08/14/1991 | EP0282541B1 Pivoting seat, in particular for a crew member of an aircraft |
| 08/14/1991 | DE4000383C1 Confining hydrogen explosion in container of radioactive waste - by storing container in borehole of geological salt formation and surrounding with salt chippings to form flame barrier |
| 08/08/1991 | DE4106516A1 Homogeneous finely disperse solid prodn. from suspension - by reaction with alkaline earth oxide, aluminium alcoholate or silicate ester then complete hydration |
| 08/06/1991 | US5037239 Underground concrete vault structure for hazardous liquid storage tanks |
| 08/06/1991 | CA1287282C Means for disposal of articles by flushing and ostomy pouches particularly suited for such disposal |
| 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 |
| 07/25/1991 | 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 | EP0436928A1 Layered geosystem and method |
| 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 |
| 07/11/1991 | DE4000142A1 Continuous purificn. of waste water, esp. drainage water - by passage over coke or active carbon based on lignite |
| 07/09/1991 | US5030034 Soil pollution monitoring system and apparatus |
| 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 | DE3941357A1 Forming sealing structure under contaminated ground - uses tunnel-shaped pits on sealing section either side with three coupling lines |
| 06/25/1991 | US5026208 Process for the disposal of waste |
| 06/20/1991 | DE3941431A1 Procedure and plant for disposal of refuse dump gas and seepage water - gas is burnt and seepage water cleaned by reverse osmosis |
| 06/20/1991 | DE3941358A1 Sealing undersurface of layer of contaminated soil - by placing layer of waterproof material under soil |
| 06/13/1991 | DE4013145C1 Backfilling mined cavities in coal mine - uses water absorbent waste material and mineral material, swelling on contact with water |
| 06/12/1991 | CN2078662U Machine of garbage disposal |
| 06/11/1991 | US5022786 Method and apparatus for the recovery and treatment of ground water contaminated by hazardous waste |
| 05/29/1991 | EP0429273A1 Lining of landfill sites |
| 05/29/1991 | EP0429154A1 Method for the fixation of carbon dioxide and apparatus for the treatment of carbon dioxide |
| 05/16/1991 | WO1991006681A1 Method for enhancing the biodegradation of biodegradable polymeric materials and of articles fabricated therefrom |
| 05/16/1991 | WO1991006344A1 A method and a device for removing at least one element from a more solid material by means of a liquid |
| 05/15/1991 | EP0328608B1 Process and device for subsequent incorporation of an underground seal under a refuse dump |
| 05/14/1991 | CA1284068C Sewage disposal |
| 05/08/1991 | DE3936351A1 Contaminated land reclamation - using additive-free hard coal fly-ash for load-bearing filler layers |
| 05/02/1991 | EP0424523A1 Sprayable composition. |
| 04/30/1991 | US5011330 Foam distribution apparatus |
| 04/30/1991 | US5010776 Environmental contamination detection and analyzing system and method |
| 04/18/1991 | WO1991005351A1 An arrangement for the storage of environmentally hazardous waste |
| 04/18/1991 | WO1991004786A1 Method of providing a foam barrier between a substrate and the atmosphere compositions therefor, and a process for mixing viscous foaming compositions with water without causing foaming of the mixture |
| 04/04/1991 | WO1991004105A1 Method of providing barrier between substrate and atmosphere |
| 04/03/1991 | EP0420422A2 Disposal of empty containers |
| 04/02/1991 | US5004298 Method of rapidly abandoning large cavities washed-out in rock salt |
| 03/30/1991 | WO1991004796A1 Membrane-forming foam composition and method |
| 03/27/1991 | EP0418720A1 Method for renewing catch water drains in garbage dumps, and device to realize the method |
| 03/26/1991 | US5002431 Method of forming a horizontal contamination barrier |
| 03/20/1991 | EP0417881A1 Method of sealing permeable unconsolidated materials |
| 03/19/1991 | US5000618 Method to prevent clogging of geotextiles and geonets |
| 03/19/1991 | CA2023727A1 Disposal of empty containers |
| 03/15/1991 | CA2001589A1 Handling method for delivering baled solid waste to a balefill |
| 03/14/1991 | DE3929682A1 Sealing strip with improved resistance against hydrocarbon(s) - comprises plastic strip sprayed with very thin layer of polyester |
| 03/12/1991 | US4998486 Landfill pollution control for polychlorinated biphenyls, firing |
| 03/07/1991 | WO1991002850A1 Hazardous waste containment system |
| 03/05/1991 | US4997695 Seawater flow restriction |
| 03/05/1991 | CA1280901C Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities or salt caverns via a downpipeunder the force of gravity |
| 02/26/1991 | US4995780 Handling method for delivering baled solid waste to a balefill |
| 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 |
| 02/19/1991 | US4993666 Pivotable seat, especially for a flight attendant |
| 02/05/1991 | US4990373 Membrane-forming foam composition and method |
| 02/05/1991 | US4990031 Treatment of mine tailings |
| 01/23/1991 | EP0408979A1 Method and system for throwing carbon dioxide into the deep sea |
| 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 |
| 01/17/1991 | DE3921949A1 Burner for burning gas given off from refuse dump - has burner head mounted telescopically over perforated pipe |
| 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 |
| 01/02/1991 | EP0404999A1 Method of sealing landfills or the like |
| 01/01/1991 | US4981394 Landfill |
| 01/01/1991 | US4981393 Method and apparatus for cellularly isolating, treating and/or removing strongly polluted material present in or on the soil |
| 01/01/1991 | US4981080 Pump transport device |
| 12/27/1990 | WO1990015908A1 Soil-sealing system |
| 12/11/1990 | US4976569 Method of introducing ecologically harmful waste into subterranean cavities |
| 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 |
| 11/27/1990 | US4973195 Storage facility for hazardous waste and the like |
| 11/27/1990 | US4973194 Method for burial and isolation of waste sludge |
| 11/22/1990 | DE3915768A1 Extracting soil specimen from covering of deposit - ramming hollow core tube through all layers of covering whilst reducing mineral refilling |
| 11/15/1990 | WO1990013803A1 Monitoring system and method for performing gas analysis |
| 11/15/1990 | WO1990013598A1 Sprayable composition |
| 10/31/1990 | EP0395397A2 Process and apparatus for treatment of excavated landfill material in a plasma fired cupola |
| 10/31/1990 | EP0394687A2 Suction drainage infection control system |
| 10/30/1990 | US4966492 Flexible sealing sheet |
| 10/27/1990 | CA2013591A1 Process and apparatus for treatment of excavated landfill material in a plasma fired cupola |
| 10/24/1990 | EP0394200A1 Procedure for the disposal of toxic waste in special containers to be placed inside cement containers |