Hsien-Pi Cheng

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Chia-I City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Lower control system regulating the flow rate of lifting jack oil
- Patent number 6,823,673
- Issue date Nov 30, 2004
- Shinn Fu Corporation
- Hsien-Pi Cheng
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Air valve assembly for hydraulic jack
- Patent number 6,318,401
- Issue date Nov 20, 2001
- Shinn Fu Corporation
- Hsien-Pi Cheng
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Lower control system regulating the flow rate of lifting jack oil
- Publication number 20040187492
- Publication date Sep 30, 2004
- SHINN FU CORPORATION
- Hsien-Pi Cheng
- B66 - HOISTING LIFTING HAULING