Mechanically driven fan with battery function (MVA)
DE102013017160A1
Revolver with multiple change magazine
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Intelligent solar cell assemblies and their mounting on fixed and moving rotor blades, towers, water wheels and wind generators, recover electricity and optimize or brake rotary speed
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Shovel for separating excrement from cat litter has perforations along its base
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Storage and security device for skis etc. consists of e.g. holder unit with lock operated by ski lift pass or similar, supplied on site in busy areas
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Dog toilet has flushing system activated by infra-red detector when dog leaves toilet which washes excrement into drawer in base or through waste pipe into sewer system
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Flower box holder has lock for theft protection
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Roller skates with mechanical drive through spring tension has articulated roller strip with energy transferred through spring path to drive back wheels
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Golf club with interchangeable blades
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High-tech briefcase (HAK)
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Condom with holding aid against slipping
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Letterbox mail indicator
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Brickwork-pointing gun powered by electric battery - has metallic heating element built into nozzle for softening of sealant material expelled by motor-driven piston
