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EP0694493A1
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Folding device
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DE3210789A1
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Efficient water, heat and power installation for the use and re-use of rainwater and drainage water in a household
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DE2822084A1
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Plastics water collection tank with automatic control - has inbuilt discharge fittings and control values for immersed pump
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DE2822083A1
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Self flushing low pressure water filter - consists of filter tube, and transition tube with inserted filter deflection plate
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DE2822082A1
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Inbuilt rain water collecting funnel - has upper socket opening and narrower bottom opening on inflow pipe
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DE2730735A1
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Hydraulic power unit anchored in river - has three or more laterally interconnected pontoons with paddle wheels driving generating equipment
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DE2730693A1
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Wave power unit anchored at sea - has three or more laterally interconnected pontoons with height adjustable guide plates to bladed rotors
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DE2730658A1
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Hydraulic power unit in small stream - has inflow section with protective grating, throughflow channels with pump chambers, and turbine unit
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DE2725449A1
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Wrist watch signal transmitter - is activated by contact with wrist to emit continuous signals to central unit
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DE2710616A1
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Water economising waste water collection vessel - has underwater pump, inlets, outlets and filter and collects bath water
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DE2710617A1
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Combined flushing and rain water collection vessel - uses water from bath and washing machine to save using fresh water
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DE2656010A1
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Float valve actuating a pump - is pref. of polystyrene foam
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DE2651570A1
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Rain-water collecting funnel - has conical overflow pipe with debris deflector mounted in run-in pipe with joint socket at side
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