| Patents for E02B 15 - Cleaning or keeping clear the surface of open water; Apparatus therefor (5,189) |
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| 03/28/2007 | CN1307350C Self-desilting and dredging method and apparatus for reservoir |
| 03/22/2007 | WO2007032661A1 A system for removing oil from a water surface |
| 03/21/2007 | CN2880915Y Moving type automatic grill pollution cleaning machine |
| 03/14/2007 | CN1928247A Method for treating sewage of water |
| 03/08/2007 | DE202006019159U1 Katalytische Erzeugungsanlage für Dieselöl Catalytic generation plant for diesel oil |
| 03/08/2007 | DE102005009420B4 Schwimmfähige Öl-Absorptionskapsel Floating oil-absorbing capsule |
| 03/01/2007 | DE202005016850U1 Vorrichtung zum Verteilen von Kunststoffelementen auf einer Gewässeroberfläche Apparatus for distributing plastic elements on a water surface |
| 02/28/2007 | CN2873884Y Movable cleaner for garden landscape water pool |
| 02/27/2007 | US7182860 Oil collecting apparatus and a method for collecting oil or the like |
| 02/21/2007 | CN1916294A Multifunctional grid for blocking dirt |
| 02/21/2007 | CN1916293A Boat for collecting waved dirt or oil stain on water surface, and station centralizing collected waved dirt or oil stain flatly |
| 02/21/2007 | CN1915840A City preposition base for engineering system, and method |
| 02/15/2007 | WO2006106489A3 Sorbent composition |
| 02/08/2007 | US20070031193 Floating barrier wall |
| 02/07/2007 | CN1298936C River channel floater interception cleaning apparatus |
| 02/06/2007 | US7172367 Inflatable hose system |
| 02/01/2007 | WO2007012696A1 Method and apparatus for collecting and regionally confining blue-green algae |
| 02/01/2007 | US20070025818 Icebreaker and waterway with icebreaker |
| 02/01/2007 | DE20221552U1 Absorption mat, useful for absorbing liquids, preferably oils, liquid or solid materials, comprises a biologically degradable adsorption material as an intermediate layer, which is placed between two liquid-permeable textile trams |
| 02/01/2007 | DE102006033810A1 Adsorbent carbon, useful for removing oil (oil film) from natural water and waste water, prepared by heating and carbonizing a coconut mesocarp as its raw material |
| 01/31/2007 | EP1747810A1 Apparatus to separate oil and debris from an aqueous fluid |
| 01/31/2007 | CN2863891Y Straight grid dirt cleaning machine |
| 01/31/2007 | CN2863890Y Dirt cleaning machine |
| 01/31/2007 | CN2863889Y Waterborne cleaning machine |
| 01/31/2007 | CN1297490C Apparatus and method for treating river and lake water |
| 01/25/2007 | WO2007010086A1 Apparatus, system and method for collecting material from water system and uses of apparatus |
| 01/25/2007 | WO2007009193A1 Extractor for vacuum cleaning system |
| 01/25/2007 | DE202005021047U1 System for fixing in flowing inland water or sea water has unit with endless revolving conveyor element with movable element which on run extending in direction of flow opens, and on run extending against flow closes |
| 01/24/2007 | CN2861278Y Floating material processor |
| 01/24/2007 | CN2861277Y Door frame type heavy grid dirt cleaning machine |
| 01/24/2007 | CN2861276Y Collecting device for waterborne sundries |
| 01/23/2007 | US7166221 Placing microbes, adapted to digest hydrocarbons, into core of floater formed of porous polymeric foam and adapted to float in or on surface of body of water, placing the floater containing the microbes into a body of water containing hydrocarbons, allowing hydrocarbons to penetrate, allowing to digest |
| 01/23/2007 | CA2377535C Manually controlled skimming of industrial oil contaminants |
| 01/17/2007 | EP1606160B1 Device and method for stabilising and controlling the lowering or raising of a heavy structure between the surface and the bed of the sea |
| 01/17/2007 | CN2858771Y Highly effective solid pollutant cleaning device for cable type approach channel |
| 01/16/2007 | US7163637 Apparatus and process for taking up particles from a water surface |
| 01/11/2007 | US20070007191 Transfer device |
| 01/10/2007 | EP1740450A1 A method and a device for collection of floating waste on a water surface |
| 01/10/2007 | CN2856167Y Dirt remover for trash rack |
| 01/09/2007 | US7160473 Manually controlled skimming of industrial oil contaminants |
| 01/09/2007 | US7160467 Oil-water separator |
| 01/09/2007 | CA2343674C Oil recovery method and oil recovery apparatus |
| 01/03/2007 | EP1737725A2 Floating barrier units |
| 12/26/2006 | US7153423 Wastewater treatment |
| 12/21/2006 | WO2006134201A1 Method and device for collecting oil from the surface of water by using a wave damping space |
| 12/21/2006 | WO2005102943A3 Wastewater treatment |
| 12/19/2006 | US7150835 vessel's hull is utilized for collecting oil and breaking ice and is equipped with an oil collecting equipment |
| 12/13/2006 | CN2846498Y Novel fire-proof oil encircling rail |
| 12/13/2006 | CN2846497Y Float oil recovery machine |
| 12/06/2006 | CN2844220Y Liquid-surface floating oil collector |
| 12/06/2006 | CN2844219Y Algae-blocking closing rail |
| 12/06/2006 | CN1288305C Recovery method for water surface spilled oil from towable oil fence |
| 11/29/2006 | EP1725328A1 Method for producing an element consisting of soft-elastic polyurethane foamed plastic and element produced according to said method |
| 11/29/2006 | CN2841767Y Dynamic oblique oil receiving machine |
| 11/28/2006 | US7140599 Coupling systems and methods for marine barriers |
| 11/16/2006 | DE202005010806U1 Net system especially for collecting oil contaminated plastic foam blocks is supported from an inflatable support tube and with ballast attached to the bottom edge |
| 11/16/2006 | DE10151922B4 Biotechnische Herstellung eines Ölbindemittels aus lederhaltigen Rohmaterialien Biotechnological production of an oil binder containing raw materials of leather |
| 11/15/2006 | EP1721824A2 A floating element in order to form a predetermined zone on the surface of the water |
| 11/15/2006 | CN2837379Y Cross ditch cleaning machine |
| 11/14/2006 | US7134807 Submersible boom gate |
| 11/09/2006 | US20060251477 Contained oil production facility |
| 11/02/2006 | DE102005018760A1 Device for continuous separation of mixable media of different density, comprises fillable rotor with mixed media, stationary stator having central inlet line, central outlet and sinking line for medium mixture and medium component |
| 11/01/2006 | CN2832912Y 多功能拦污栅 Multifunction trash rack |
| 10/31/2006 | US7128830 Purifying device |
| 10/25/2006 | CN1851143A Method for treating river and reservoir watershed floater |
| 10/18/2006 | EP1712264A1 Liquid absorbing element having a bulged shape |
| 10/18/2006 | CN2828141Y Fan type weir mouth immersion automatic regulating floating oil recoverying machine |
| 10/12/2006 | US20060226695 Ice resurfacing machine as well as system and method for ice maintenance |
| 10/12/2006 | US20060225810 Buoyancy device and method for stabilizing and controlling lowering or raising of a structure between the surface and the sea floor |
| 10/11/2006 | CN2825742Y Integral grid dirt removing machine |
| 10/11/2006 | CN2825741Y Apparatus for automatically removing grid dirt at water intake of riverway |
| 10/04/2006 | CN1840783A Method and device for automatically removing sewage in grid of water intake of river channel |
| 09/28/2006 | US20060216116 Floating protection barrier gate |
| 09/27/2006 | CN2820958Y Fluid floating artide cleaner |
| 09/27/2006 | CN1837491A Method for restoring wetland ecosystem |
| 09/26/2006 | US7112279 Arrangement and method for collecting oil |
| 09/20/2006 | EP1701921A1 An installation for the removal of pollutant materials and/or substances contained in water streams |
| 09/20/2006 | EP1627112A4 Methods and systems for removing floating solid waste from the surface of a watercourse |
| 09/14/2006 | US20060201867 Oil spill collection device |
| 09/14/2006 | DE10334967B4 Schwimmfähiger Ölabsorber A buoyant oil absorber |
| 09/14/2006 | DE10221069B4 Vorrichtung und Verfahren zum Aufnehmen von Partikeln von einer Gewässeroberfläche Apparatus and method for capturing particles of a water surface |
| 09/13/2006 | EP1699979A2 Boom support arm and use thereof |
| 09/06/2006 | CN1827922A Screen type dust cleaner for coarse particles and dust |
| 09/06/2006 | CN1827531A Dispatching treatment method for tail water in stereo region of clean water and sewage |
| 08/31/2006 | US20060191835 Compositions and methods of remediation devices with nanostructured sorbent |
| 08/31/2006 | DE102005009420A1 Independently operating floating oil absorption capsule has reservoir filled with oil suction product to receive oil via suction tubes through heat reaction with oil enabled by chemical present in tubes and reservoir |
| 08/29/2006 | US7097767 Installing within reservoir a boom comprising a support and a curtain connected to support system, the curtain being formed of flexible fabric that allows movement of water therethrough and settling of particles and bacteria |
| 08/24/2006 | US20060185198 Device for melting ice at a fish hole in the ice |
| 08/17/2006 | WO2006067321A3 Method for continuously producing a flexible complex and said flexible complex |
| 08/15/2006 | US7090432 Spill response system |
| 08/08/2006 | CA2200758C Device in connection with a floating body |
| 08/02/2006 | CN2801889Y Ice drill |
| 07/19/2006 | CN2797440Y Self-lift pressing head vibrator ice isolation vibration device |
| 07/13/2006 | WO2006072233A1 Sack tube element, multiple sack tube element and method and device for forming, filling and laying sack tubes |
| 07/12/2006 | CN1800507A Rake tooth type decontamination equipment |
| 07/06/2006 | WO2006069585A1 Oil slick-removal and desludging pump |
| 07/06/2006 | US20060144774 Vessel which is designed for the on board collection of waste without the need for pumping |
| 07/06/2006 | US20060144773 Device for collecting items floating at the surface of the sea |
| 07/05/2006 | EP1675768A2 Method and device for recovering petroleum from a tank disposed on a sea bed, particularly a wreck |
| 07/05/2006 | CN1796664A Equipment for clearing and pushing off floater |