| Patents for E02B 15 - Cleaning or keeping clear the surface of open water; Apparatus therefor (5,189) |
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| 07/05/2006 | CN1796296A Method and equipment for oil-water separation |
| 06/29/2006 | WO2006067321A2 Method for continuously producing a flexible complex and said flexible complex |
| 06/29/2006 | US20060140723 Fixed shape retainer for absorbent material for storm drains |
| 06/29/2006 | US20060138060 Arrangement and method for collecting oil |
| 06/29/2006 | CA2591507A1 Method for continuously producing a flexible complex and said flexible complex |
| 06/21/2006 | CN2789315Y Turnover rabble blade type reciprocating cleaning machine |
| 06/20/2006 | US7063484 Boat barrier attachment for log and debris booms |
| 06/15/2006 | WO2006061453A1 Method and device for collecting oil from the surface of water |
| 06/14/2006 | EP1668190A1 Transfer device |
| 06/14/2006 | EP1668189A1 Bailing apparatus |
| 06/14/2006 | CN1259249C Algae sucking apparatus of collecting blue algae water bloom |
| 06/07/2006 | EP1664443A1 System for limitation of water pollution |
| 06/06/2006 | US7056059 Boom with ramped or horizontal skirt structure for slowing the flow speed of buoyant fluids on moving water for fluid, containment, fluid containment system and method |
| 06/01/2006 | US20060113259 Conveyor belt and belt conveyor system comprising same |
| 05/31/2006 | CN2784461Y Equipment for collecting floater on water surface |
| 05/31/2006 | CN1257842C Purifying device |
| 05/24/2006 | DE102005014962A1 Multi functional barrier e.g. for land and water, has flexible foil having multi functional barrier of three chambers, two chambers provided for admission of water and third is filled with air or non combustible gas |
| 05/24/2006 | CN2782760Y Inclined strap submerged oil collecting machine |
| 05/24/2006 | CN2782663Y Automatic oil and water separated disc shape float oil recovering machine |
| 05/23/2006 | US7048878 Process of forming oil-absorbent bodies |
| 05/18/2006 | US20060104720 Dual direction water surface skimmer and pool side docking device |
| 05/11/2006 | US20060097564 Resurfacing ice skating rinks |
| 05/11/2006 | US20060096905 Floating self-propelled cleaning device for water surfaces |
| 05/11/2006 | DE10084339B4 Verfahren und Vorrichtung zum Trennen von Öl aus einer Mischung von Eisblöcken und Wasser Method and apparatus for separating oil from a mixture of ice blocks and water |
| 05/10/2006 | CN1769598A Water surface clearing machine |
| 05/03/2006 | CN2777040Y Multi-functional equipment for cleaning-away rubbish from river |
| 05/03/2006 | CN2777039Y Automatic lifting/lowering cone type ice-breaking equipment |
| 05/03/2006 | CN2777038Y Sea ice dredging-out equipment with integrated chain-bucket and its driving harrow wheel |
| 05/03/2006 | CN1765457A Oil absorption material, device and method for reclaiming leak oil sludge |
| 05/02/2006 | US7037435 Process for burning off oil spills |
| 05/02/2006 | CA2036396C Process to solidify oil on land and sea |
| 04/26/2006 | EP1648761A2 Self-contained submarine station |
| 04/26/2006 | CN2774931Y Biotic sea float oil recovery device |
| 04/20/2006 | WO2005113331A3 Floating barrier units |
| 04/19/2006 | CN2773173Y Improved stepped grid scrubbing apparatus |
| 04/19/2006 | CN2772629Y High-efficient spray tube of oil spilling dispersing agent |
| 04/19/2006 | CN1251782C Apparatus for post-treatment of leakage of aqueous hydrocarbon compound |
| 04/13/2006 | WO2006037829A1 Improvements to self-floating arms for the collection of oil spills |
| 04/12/2006 | CN2771295Y Water floater cleaning boat collecting device |
| 04/06/2006 | DE102005046028A1 Service boat for mowing and cleaning waterways has paddle wheels on both sides in front half of hull |
| 04/05/2006 | EP1643037A1 Machine for removing floating refuse from the surface of water |
| 04/05/2006 | CN2769175Y Multifunction floater cleaning device for ship |
| 03/30/2006 | WO2005107918A8 A gravity separator for a multi-phase effluent |
| 03/30/2006 | US20060065586 Trash collection skimmer boat |
| 03/29/2006 | CN1752352A Float load type oil recovering |
| 03/29/2006 | CN1247858C Oil skimmer of two toothed rolls |
| 03/23/2006 | WO2006030063A1 Regulator |
| 03/22/2006 | EP1636430A1 Method, device and arrangement for collecting media escaping underwater |
| 03/22/2006 | CN1750755A Method for inhibiting algae |
| 03/08/2006 | CN2763350Y Salvaging and treating device for hyacinth |
| 03/07/2006 | US7008139 comprising an elongate body having positive buoyancy relative to a surrounding water or sea surface, and a hanging skirt; forms a U-shape when the towing vessel pulls the free ends of the extended arms; pollution control |
| 03/01/2006 | CN2761689Y Nonicing structure of landscape river system |
| 03/01/2006 | CN1740454A Rake teeth type dredger |
| 02/22/2006 | CN2760109Y River floater filtering gate |
| 02/22/2006 | CN2760002Y Breath de-foaming filtering machine for river and lake water |
| 02/22/2006 | CN1243157C Sewage treatment method for construction wetland of ditch and river bank |
| 02/15/2006 | EP1265816B1 A device for separating a surface layer of a liquid |
| 02/15/2006 | CN2758327Y Hydraulic scraper lifting device of sludge removing machine |
| 02/08/2006 | CN2756703Y Eloat cleaning and pushing device |
| 02/08/2006 | CN2756702Y Open and close drake driving mechanism for grating dirt removing machine |
| 02/08/2006 | CN2756701Y Swing arm type arc grating dirt removing machine |
| 02/08/2006 | CN1730834A Eddy current type oil recovery diode |
| 02/01/2006 | EP1287206B1 Device for recovering oil from an oil-slick on a stretch of water |
| 02/01/2006 | CN2755174Y Conveyer belt for collecting float on water |
| 01/31/2006 | CA2366220C Method and device for collecting oil mixed with ice blocks |
| 01/19/2006 | WO2005111314A8 Heli-brush skimmer |
| 01/17/2006 | CA2154565C Oil-extraction station |
| 01/12/2006 | DE102004022192A1 Unit for damming escaped liquid on a ground or on a water surface comprises a flat, unrollable hose with closed ends and two parallel chambers fillable with different fluids |
| 01/05/2006 | US20060000756 Used to contain and to collect polluting material floating over bodies of water, such as rivers, lakes, lagoons, bays or open oceans |
| 01/04/2006 | CN2749243Y Collecting and treating device of hyacinth |
| 12/29/2005 | DE19933758B4 Ölabsperr-Schwimmeinheit Ölabsperr-flotation unit |
| 12/28/2005 | EP1608816A2 Boom system for water filtration in shallow water |
| 12/21/2005 | EP1607322A1 Hydrostatic system for extracting hydrocarbons and oils from the tanks of a sunken ship |
| 12/21/2005 | EP1606160A2 Device and method for stabilising and controlling the lowering or raising of a heavy structure between the surface and the bed of the sea |
| 12/21/2005 | EP1606159A2 Method and device for stabilizing and controlling lowering or raising of a structure between the surface and the sea floor |
| 12/07/2005 | CN2744733Y Automatic cleaning machine for rubbish on water surface |
| 12/01/2005 | WO2005113331A2 Floating barrier units |
| 12/01/2005 | CA2563424A1 Floating barrier units |
| 11/24/2005 | WO2005111314A1 Heli-brush skimmer |
| 11/24/2005 | US20050260037 Oil boom and use thereof |
| 11/17/2005 | WO2005107918A1 A gravity separator for a multi-phase effluent |
| 11/16/2005 | EP1513723A4 Subsea oil collector |
| 11/16/2005 | CN1697783A Method of preventing water pollution and water-blocking fence |
| 11/10/2005 | WO2005106130A1 Method for cleaning water and bottom sediments of water reservoirs and cleaning system for carrying out said method |
| 11/10/2005 | WO2005091701A3 Floating module which is designed to shade outdoor water reservoirs |
| 11/10/2005 | DE102004017201A1 Suction dredging system especially inland waterways and yacht basins has a floating pump connected between an underwater suction head and a sludge handling system |
| 11/10/2005 | CA2569544A1 Method for cleaning water and bottom sediments of water reservoirs and cleaning system for carrying out said method |
| 11/09/2005 | EP1593418A1 A gravity separator for a multi-phase effluent |
| 11/09/2005 | EP1592846A1 Medium and high viscosity hydrocarbon collecting net |
| 11/03/2005 | US20050242020 Oil slick harvester |
| 11/02/2005 | EP1591587A1 Oil spill collection device |
| 10/27/2005 | WO2005100779A1 System comprising a device that can be rotatably driven by flowing water |
| 10/27/2005 | DE102004020802A1 Anordnung mit einer vom strömenden Wasser rotierend antreibbaren Einrichtung Arrangement with a rotatably driven by the flowing water facility |
| 10/26/2005 | CN2736422Y Non-blocking assistant grating for rotating sludge cleaning machine |
| 10/20/2005 | WO2005097592A1 A method and a device for collection of floating waste on a water surface |
| 10/20/2005 | DE202005010221U1 Float for delaying formation of an ice cover on preferably stagnant waters comprises an integrated heat storage unit and solar cells for energy supply |
| 10/20/2005 | CA2603971A1 A method and a device for collection of floating waste on a water surface |
| 10/19/2005 | CN2734833Y Rigid arched floating box pollutant-blocking grate |
| 10/13/2005 | DE4319324B4 Vorrichtung zur Ableitung von Oberflächenflüssigkeit Apparatus for removing surface liquid |
| 10/12/2005 | EP1401774A4 Method of controlling contaminant flow into water reservoir |