| Patents for E02B 15 - Cleaning or keeping clear the surface of open water; Apparatus therefor (5,189) |
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| 04/23/1998 | WO1998016690A1 Method and apparatus for collecting matter floating on a body of water |
| 04/23/1998 | CA2268442A1 Method and apparatus for collecting matter floating on a body of water |
| 04/09/1998 | WO1998014404A1 Method for cleaning surfaces contaminated by crude oil or petroleum product spills, sorbant for cleaning surfaces and method for producing the same |
| 04/08/1998 | EP0833986A1 Oil retention barrier with anti-splashing means |
| 03/24/1998 | US5730558 Liquid hydrocarbon sorbing and solidifying pillow |
| 03/19/1998 | WO1998011382A1 Absorbent mat |
| 03/17/1998 | US5727902 Method and apparatus for maintaining the position of a containment boom in a fast flowing waterway |
| 03/12/1998 | WO1998010146A1 Absorption means |
| 03/05/1998 | WO1998009023A1 Device for keeping bodies of water ice-free |
| 03/05/1998 | DE19634806A1 Eisfreihalter Ice preventers |
| 02/26/1998 | DE19726182A1 Oil absorbent, buoyant multilayer blanket in low cost polyester and cellulose |
| 02/18/1998 | CN1173422A Method for prodn, of solid floator oil enclosure |
| 02/11/1998 | EP0746428B1 Method of absorbing organic pollutants |
| 02/03/1998 | US5713698 Synthetic boomstick coupling system |
| 02/03/1998 | US5713697 For collecting floatable liquids |
| 01/29/1998 | WO1998003734A1 Process and installation for the recovery of hydrocarbon and other polluting layers |
| 01/29/1998 | DE19642170A1 Recovery of useful product from vehicle oil, spillages etc |
| 01/28/1998 | EP0821106A2 Collector system for collecting impurities on the surface of a pond |
| 01/28/1998 | EP0591211B1 Reversible transformation of hydrocarbons |
| 01/28/1998 | CN2273331Y Tall oil skimmer |
| 01/27/1998 | US5711634 Arrangement for a boom |
| 01/27/1998 | US5711633 Apparatus for recovering fluid substances floating on a water surface |
| 01/22/1998 | WO1998002259A1 Method for cleaning capillary and porous media contaminated by crude oil and petroleum products |
| 01/22/1998 | WO1998002258A1 Method for cleaning capillary and porous media contaminated by crude oil and petroleum products |
| 01/21/1998 | EP0819198A1 Floating skimmer |
| 01/06/1998 | US5705076 Purification with filters for oil or nonoil fluids using cloth |
| 12/29/1997 | EP0813634A1 Arrangement at self expanding booms |
| 12/09/1997 | US5695300 Adjustable recovery boom and system |
| 12/02/1997 | US5693218 Apparatus for discharge surface liquid |
| 11/27/1997 | WO1997044279A1 Systems for ameliorating oil spills in marine and inland waters |
| 11/26/1997 | EP0533871B1 Oil removal device |
| 11/19/1997 | EP0807196A1 Swift and cheap method of skimming huge oil spills with any tanker's equipment without chemicals |
| 11/18/1997 | US5688075 For containing a lighter liquid disposed on top of a heavier liquid |
| 11/18/1997 | US5688074 Oil barrier |
| 11/11/1997 | US5685979 Oil skimming apparatus |
| 11/06/1997 | WO1997041025A1 Boat for cleaning aquatic surfaces |
| 11/06/1997 | DE19704692A1 Purification of lake and marsh |
| 11/05/1997 | CN1163861A Purifying method and purification system for lakes and marshes |
| 10/30/1997 | DE19713375A1 Vorrichtung zum Absaugen der Oberflächenschicht einer Flüssigkeit An apparatus for cleaning the surface layer of a liquid |
| 10/28/1997 | US5681458 Water clarification employing rotating drum skimmer |
| 10/23/1997 | WO1997039194A1 System for picking up oil from the water |
| 10/21/1997 | US5679247 Boom netting material for contamination containment |
| 10/21/1997 | US5679246 Spill containment system |
| 10/14/1997 | US5676839 Floatable oil and debris collection device |
| 10/14/1997 | CA2075964C Equipment for recovery of liquid tank cargo from a vessel |
| 09/16/1997 | US5667338 For vessels |
| 09/16/1997 | US5667337 Rotating containment and repelling boom and method for confining a material floatable on a liquid surface |
| 09/10/1997 | EP0793753A1 Quick assembly device for pollutant barriers made of a flexible pipe to be partially filled with liquids and partially filled with gas |
| 09/04/1997 | WO1997032087A1 A device for skimming a surface layer of a liquid |
| 08/28/1997 | WO1997030821A1 Device for purifying liquids |
| 08/28/1997 | WO1997020110A3 Device for removing crude oil products from the surface of water and a method of preparing the device for operation |
| 08/06/1997 | EP0787234A1 Device in connection with a floating body |
| 07/30/1997 | CN1155604A Defoaming system for water draining channel of electric power station |
| 07/15/1997 | US5647975 Device for recovering pollutants spilled on water or on the ground |
| 07/08/1997 | US5645733 Pollution control |
| 07/08/1997 | US5645378 Water pollution control |
| 07/08/1997 | US5645004 Absorbing and solidifying liquid hydrocarbon by a protective device comprising polymeric absorber material |
| 07/01/1997 | US5643449 Endless loop of oil absorbing material extending vertically downward with drive and controller to maintain its depth in response to variations in depth of interface between two liquids |
| 06/25/1997 | CN1152885A Contaminant recovery system and method |
| 06/05/1997 | WO1997020110A2 Device for removing crude oil products from the surface of water and a method of preparing the device for operation |
| 06/05/1997 | DE19703341A1 Oil collector for cleaning water surface of open sea, harbour, river, etc. |
| 06/04/1997 | EP0776295A1 Spill containment system |
| 05/29/1997 | WO1997019229A1 Swift and cheap method of skimming huge oil spills with any tanker's equipment without chemicals |
| 05/28/1997 | EP0595932B1 Pollutant containment boom |
| 05/21/1997 | CN1150200A Culvert and sluice canal system and method for separating and interception snail from water |
| 05/14/1997 | EP0665794B1 Apparatus for collecting floating material from the surface of a liquid |
| 05/07/1997 | EP0742859A4 Oil recovery systems |
| 05/01/1997 | WO1997015732A1 Integrated oil response and recovery system and method and skimmer for use therein |
| 04/29/1997 | US5624577 Disposal of oil spill cleanup collections |
| 04/08/1997 | US5618420 Containing, retrieving and storing oil spills |
| 04/02/1997 | EP0708739A4 Oil-based fluid absorbent article, method and apparatus |
| 03/20/1997 | WO1997010388A1 Rotating oil containment and repelling boom and method of using the same |
| 03/12/1997 | EP0760804A1 Apparatus and method for separation of contaminants floating on the surface of a liquid |
| 03/11/1997 | US5609768 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
| 03/11/1997 | US5609755 Oil recovering apparatus integrated with temperature controlled elements |
| 03/06/1997 | WO1997007883A1 Sorbents comprising sphagnum |
| 03/06/1997 | CA2230196A1 Sorbents comprising sphagnum |
| 03/05/1997 | EP0640162B1 Oil boom and hose for tensioning the same |
| 02/27/1997 | WO1997007298A1 A skimmer |
| 02/27/1997 | WO1997007292A1 Method and apparatus for skimming a floatable surface layer from a water surface |
| 02/27/1997 | WO1997007291A1 Process for packing of oil booms and boom bag for practising the process |
| 02/27/1997 | CA2229063A1 A floating skimmer |
| 02/26/1997 | EP0759176A1 Apparatus for detecting a connection between adjacent panels of a curtain wall |
| 02/26/1997 | CN2248203Y Oil-absorbing tow fence |
| 02/26/1997 | CN2248202Y Fence type oil boom |
| 02/05/1997 | CN2246681Y Movable grate dirt remover |
| 01/29/1997 | CN1141603A Method for absorbing organic pollutants |
| 01/22/1997 | EP0653000A4 Floating barrier method and apparatus. |
| 01/16/1997 | WO1997001680A1 Floating debris collection |
| 01/15/1997 | EP0662179B1 Collection and separation apparatus |
| 01/14/1997 | US5593579 Mechanically assisted hydraulic filter |
| 01/09/1997 | WO1997001004A1 Oil retention barrier with anti-splashing means |
| 01/09/1997 | CA2225599A1 Oil retention barrier with anti-splashing means |
| 01/07/1997 | US5591333 Modular shoreline oil spill barrier assembly |
| 01/02/1997 | DE19522532A1 Ölbarriere mit Überschwappsicherung Oil barrier with Überschwappsicherung |
| 01/02/1997 | DE19522002A1 Harmful substance remover for sea vessels |
| 12/31/1996 | US5588785 Liquid hydrocarbon sorbing and solidifying pillow |
| 12/25/1996 | CN1138835A Oil-absorbing article |
| 12/18/1996 | EP0601198B1 System of controlled floating suction devices |
| 12/17/1996 | US5584604 Apparatus for winding-up a self-expanding boom |