Cleaning or keeping clear the surface of open water; Apparatus therefor (construction of ships or other waterborne vessels B63B, e.g. vessels specially adapted for collecting pollution from open water B63B35/32; in swimming or splash baths or pools E04H4/16)

Child Classifications

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• E02B 15/02 from ice (construction of ships B63B; )
• E02B 15/04 Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials (; other treatment of water, waste water or sewage C02F; materials for treating liquid pollutants, e.g. oil, gasoline, fat, C09K3/32 )
• E02B 2015/005