Dan LIU

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Elastic self-positioning pre-dicing device and method
- Patent number 11,478,947
- Issue date Oct 25, 2022
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Yali Hou
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Conical self-positioning limit feeding device and method
- Patent number 11,440,209
- Issue date Sep 13, 2022
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Yali Hou
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
ELASTIC SELF-POSITIONING PRE-DICING DEVICE AND METHOD
- Publication number 20210402637
- Publication date Dec 30, 2021
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Yali HOU
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
CONICAL SELF-POSITIONING LIMIT FEEDING DEVICE AND METHOD
- Publication number 20210402638
- Publication date Dec 30, 2021
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Yali HOU
- B26 - HAND CUTTING TOOLS CUTTING SEVERING