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ID : tm3499915626 Selective Leverage System The invention relates to improve performance of a device having a pulsing behavior input or output such as engines and other cyclically devices. This solution includes a selective leverage system gear train that uses leverage principle to improve performance of compressors, alternators, etc. |
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ID : tm3516515792 Rotactor Gold Rotactor gold is a learning aid for students to understand the concept of rotation in mathematics. The conventional method in learning the concept of rotation is slow, waste lots of paper and confusing. But using this new invention, rotactor, students can easily understand the concept of rotation. |
