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KR20130141027A
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The method and its apparatus that generate the strong power by installation of pressed water tank on the upper side of the water power turbine
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KR20130121639A
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The method of sucking water up and its system by applying the weight of water in piston
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KR20100133579A
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Eans of raising the power by utilizing the seesaw's automatic principle and its device
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KR20100114324A
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Eans of raising the power by utilizing the seesaw's automatic principle and its device
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KR20100107933A
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Eans of raising the power by utilizing the seesaw's automatic principle and its device
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KR20100100387A
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Eans of raising the power by utilizing the seesaw's automatic principle and its device
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KR20100058839A
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Eans of raising the power by utilizing the seesaw's automatic principle and its device
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KR20100042769A
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An equipment to be occurred the generation of electric power according to an application of the part's buoyancy
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KR20100033579A
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An equipment to be occurred the generation of electric power according to an application of the part's buoyancy
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KR20100027918A
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Equipment to be occurred an electric power generation which is applied the weight of full water ball
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KR20100021821A
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Equipment to be occurred an electric power generation which is applied the weight of full water ball
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KR20080084786A
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An equipment to be occurred the generation of electric power according to an application of the part's buoyancy
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KR20070007231A
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Plasterer with cement mortar on the floor or wall of a building
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KR20050015874A
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Ruler having scale for measuring inner diameter of structure by engraving scale on ruler case
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KR20030045724A
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Device having rudder under bow of vessel
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Apparatus for easy opening and closing of fishing nets by applying the operating principle of umbrella
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KR20030007293A
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Apparatus for easy opening and closing of fishing nets by applying the operating principle of umbrella
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KR20020081160A
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The fan is installed behind the ship's rudder, and when the ship propels, the fan rotates to generate power.
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KR20020074433A
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Mesh opening and closing device for opening and closing the mesh
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KR20020039656A
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The fan is installed at the height of the ship, and when the ship propels, the fan rotates to generate power.
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