Jianhua Zhao

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic-hydraulic double-suspension bearing experiment table
- Patent number 11,285,574
- Issue date Mar 29, 2022
- Yanshan University
- Jianhua Zhao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetic rolling bearing capable of reducing balance radial force o...
- Patent number 11,162,532
- Issue date Nov 2, 2021
- Yanshan University
- Jianhua Zhao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Rolling Bearing Capable Of Reducing Balance Radial Force O...
- Publication number 20210215197
- Publication date Jul 15, 2021
- Yanshan University
- Jianhua Zhao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Magnetic-hydraulic Double-suspension Bearing Experiment Table
- Publication number 20210154783
- Publication date May 27, 2021
- Yanshan University
- Jianhua Zhao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR