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2021
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Invention
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Method for watercraft rapidly slowing down/braking, application and structure device. A device an... |
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Invention
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Ship propulsion method and structure device using air working medium for propulsion. Disclosed ar... |
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Invention
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Deployment and installation method for direct-suction jet propulsion in underwater vehicle, and i... |
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Invention
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In-water navigation body highspeed and efficient propulsion method and application. Provided is a... |
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Invention
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Device and method employing novel structure for suppressing wave-making of ship. A novel method f... |
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Invention
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Watercraft fast-response steering method and application. The present invention provides a waterc... |
