| Patents for E02B 15 - Cleaning or keeping clear the surface of open water; Apparatus therefor (5,189) |
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| 02/16/1982 | US4315818 Anti-pollution equipment |
| 02/02/1982 | US4313829 Apparatus for separating the components of a non-Newtonian fluid |
| 02/02/1982 | CA1117440A1 Oil spill retrieval system |
| 01/26/1982 | CA1116876A1 Floating fence for the collection of liquid impurities as for example oil on a water surface |
| 01/19/1982 | US4311109 Fairlead |
| 01/12/1982 | US4310415 Enhanced oil recovery |
| 01/06/1982 | EP0043111A2 Oil recovery vessel |
| 12/29/1981 | US4308146 Crushed raw oil shale as oil spill adsorbent |
| 12/29/1981 | US4308140 Sea cleaning and oil recovery vessel termed "scor-vessel" |
| 12/29/1981 | US4308006 Method and apparatus for atomizing and burning liquid hydrocarbons floating on water |
| 12/24/1981 | WO1981003671A1 Method and apparatus for cleaning up surface water |
| 12/24/1981 | WO1981003656A1 Method for separating liquids floating at the water surface |
| 12/22/1981 | CA1114750A1 Floating skimming barrier assemblies |
| 12/16/1981 | EP0041537A1 Method and device for removing floating liquid impurities, particularly oil, from a flowing water surface. |
| 12/15/1981 | US4305830 Water surface cleaner, method and apparatus |
| 12/15/1981 | US4305819 Floating apparatus for clarification of water |
| 12/15/1981 | CA1114306A1 Oil collecting arrangement |
| 12/10/1981 | WO1981003515A1 Device for collecting floating products on a liquid surface |
| 12/09/1981 | EP0041223A1 Device for collecting products floating on the water surface |
| 12/08/1981 | US4304668 Floating apparatus for recovery of floating oil |
| 12/08/1981 | US4304022 Underwater cleaning apparatus |
| 12/01/1981 | US4303520 Surface extraction apparatus |
| 12/01/1981 | US4303351 Oil spill barriers |
| 11/24/1981 | US4302339 Beach cleaning method |
| 11/24/1981 | US4302162 Water pumping device |
| 11/24/1981 | CA1113022A1 Device for collecting materials as for example oil floating on a water surface |
| 11/18/1981 | EP0040129A1 High capacity oil recovery device for cleaning the surface of rough waters |
| 11/17/1981 | US4301008 Skimmer for removing the surface layer from a stretch of liquid |
| 11/17/1981 | US4301006 Ship-borne oil dispersant procedure and apparatus |
| 11/17/1981 | US4300857 Marine barrier |
| 11/17/1981 | US4300856 Compactable, foldable, floatable, boom-fence to quickly control the spread of contaminates over water surfaces |
| 11/17/1981 | US4300855 Rotatable ice-formation-preventing device |
| 11/17/1981 | CA1112464A1 Anti-pollution and antifire floating barrier |
| 11/12/1981 | WO1981003198A1 Reel mountable boom arrangement |
| 10/21/1981 | EP0038089A1 Apparatus for removing a pollutant from the surface of a water body |
| 10/20/1981 | US4295975 Stators |
| 10/20/1981 | US4295756 Floating boom end connectors |
| 10/20/1981 | US4295755 Reel mountable boom arrangement |
| 10/14/1981 | EP0037684A1 A floating boom for catching or confining impurities on a water surface |
| 10/13/1981 | US4294698 Water treatment |
| 10/13/1981 | US4294183 Cutter configuration for efficient ice disaggregation and clearing |
| 10/01/1981 | WO1981002693A1 Method of and apparatus for combatting water-borne pollution |
| 09/29/1981 | CA1109806A1 Apparatus for removing oil from the surface of a body of water |
| 09/22/1981 | US4290887 Liquid surface decanter |
| 09/08/1981 | US4288324 Skimming apparatus |
| 09/01/1981 | USRE30729 For skimming off floating material from a body of water |
| 09/01/1981 | US4287063 Oil from water |
| 09/01/1981 | CA1108066A1 Oil boom for collecting and skimming oil on a water surface |
| 08/25/1981 | CA1107661A1 Collection and separation of uncontrolled blow out material from bore holes in the ocean floor |
| 08/25/1981 | CA1107660A1 Method and apparatus for collecting oil floating on water |
| 08/18/1981 | US4284509 Floating, agglomeration, lipids |
| 08/06/1981 | WO1981002174A1 Towable body for collecting oil from the surface of the sea |
| 08/05/1981 | EP0033238A2 A boom element for a flexible floating barrier usable in shallow or tidal waters and a method of containing pollutants in such waters |
| 07/22/1981 | EP0032351A2 Cleaning barge |
| 07/22/1981 | EP0032147A1 Method and device for collecting oil or the like |
| 07/21/1981 | US4279538 Anti-pollution and antifire floating barrier |
| 07/08/1981 | EP0031610A2 Method and apparatus for removing oil from a shoreline |
| 06/25/1981 | WO1981001720A1 Method and device for removing floating liquid impurities,particularly oil,from a flowing water surface |
| 06/24/1981 | EP0030535A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent. |
| 06/23/1981 | US4274957 Skimmer having a wide drive roller, a guide means, and a tension means |
| 06/16/1981 | US4273650 Apparatus and method for recovering pollutant liquids |
| 06/16/1981 | CA1103173A1 Rotating cylinder flotage separator |
| 06/09/1981 | US4272214 Floating fence for the collection of liquid impurities as for example oil on a water surface |
| 06/02/1981 | US4271017 Oil separator |
| 06/02/1981 | US4270874 Bottom tension fence-type water buoyant containment boom |
| 05/26/1981 | US4269538 Barrier attached to the side of a ship |
| 05/19/1981 | CA1101342A1 Endless belt conveyor for collecting floating matter from water surface |
| 05/19/1981 | CA1101229A1 Method and apparatus for controlling water surface activity |
| 05/05/1981 | US4265758 Collection of a surface layer of liquid |
| 05/05/1981 | US4265757 Device for removing oil slicks |
| 04/28/1981 | US4264450 Fibrous disc oil skimmer |
| 04/28/1981 | US4264444 Apparatus for recovering material floating on a body of water and a barge for carrying such apparatus |
| 04/28/1981 | CA1100057A1 Cryothermal manipulation of petroleum |
| 04/22/1981 | EP0027359A1 Method of removing oil from water, and bag and two or more linked bags of feathers for use therein |
| 04/22/1981 | EP0027239A1 Device for removing polluting products from the surface of liquids |
| 04/14/1981 | US4261827 Flexible blade apparatus for the recovery of floating material |
| 04/08/1981 | EP0026758A1 Device with several floating elements |
| 04/07/1981 | US4260285 Oil boom |
| 04/07/1981 | US4260186 Device for handling oil laden pad |
| 04/07/1981 | CA1098836A1 System for separating and removing oil based matter from liquids such as water |
| 03/31/1981 | US4258640 Large-scale protective device for tabular icebergs or floating structures |
| 03/31/1981 | CA1098461A1 Method for depolluting fresh water- and salt water bodies from crude oil, petroleum products and their derivatives |
| 03/25/1981 | EP0025779A1 Apparatus for recovering oil or the like floating on a liquid surface such as water |
| 03/24/1981 | US4257889 Oil skimming apparatus |
| 03/10/1981 | CA1097227A1 Oil recovery apparatus and method |
| 02/25/1981 | EP0024187A2 System for collecting products dumped on the surface of a mass of water |
| 02/17/1981 | US4251362 Method of, products and devices for processing polluting materials such in particular as hydrocarbons cast up by the sea, waste sludges |
| 02/11/1981 | EP0023521A1 Oil leakage confiner for vessels, off-shore oil well rigs, etc |
| 02/10/1981 | US4249834 Oil spill containment device for aquatic vessels |
| 02/03/1981 | US4248547 Fence for enclosing impurities floating on water |
| 01/27/1981 | US4247261 Water pumping device |
| 01/27/1981 | CA1094459A1 Oil boom |
| 01/22/1981 | WO1981000122A1 Method and device for collecting oil or the like |
| 01/14/1981 | EP0022399A1 Vertical barrier for instantaneous placement in the water and immediately unfoldable, permitting the screening-off or enclosing of a layer of oil or hydrocarbon spread on the surface of the water |
| 01/13/1981 | US4244819 Floating anti-pollution barrier and method for using the same |
| 01/07/1981 | EP0020837A1 Method and apparatus for dealing with oil spills |
| 01/07/1981 | EP0020359A1 Oil removal apparatus |
| 01/06/1981 | US4243529 Oil collecting apparatus |
| 12/30/1980 | US4242202 Apparatus for taking up oil from a water surface |
| 12/24/1980 | WO1980002846A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent |