Hao Yuan

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Erlangen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for pre-setting the planeness of a roller strip
- Patent number 6,438,443
- Issue date Aug 20, 2002
- Siemens Aktiengesellschaft
- Andre Berghs
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process controlling method and device
- Patent number 6,098,060
- Issue date Aug 1, 2000
- Siemens Aktiengesellschaft
- Hao Yuan
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...