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Rotating multi-fuel engine
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Multifuel turbine
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Wind turbine
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Propeller for watercrafts such as ships, fighting vessels and boats
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Turbine engine
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Piston engine employing a sliding crank
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Treadle drive for vehicles, in particular for bicycles, employing a slidable crank lever
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Wind turbine
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Water turbine employing water waving energy
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Rotary internal combustion engine
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Piston engine in which the to-and-fro motion of a piston is being transformed into rotary one by means of planetary gear
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Aqueous smoke, dust and harmflu gas removing filter for use in industrial smokestacks
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Air/water-type exhaust gas filter
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Internal combustion engine with two crankshafts and two connecting rods
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Automatic infinitely variable planetary gear
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Variable speed chain transmission gear
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Variable speed mechanical transmission gear
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Fluid coupling
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Piston-type internal combustion engine with two connection rods and two crankshafts
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