Qiong Hu

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Nanjing, Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device for testing mechanical seal performance
- Patent number 9,631,990
- Issue date Apr 25, 2017
- NANJING FORESTRY UNIVERSITY
- Jianjun Sun
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Device for testing mechanical seal performance
- Publication number 20160146681
- Publication date May 26, 2016
- NANJING FORESTRY UNIVERSITY
- Jianjun Sun
- G01 - MEASURING TESTING
Information Patent Application
Self-pumping hydrodynamic mechanical seal
- Publication number 20160097457
- Publication date Apr 7, 2016
- NANJING FORESTRY UNIVERSITY
- Jiajun Sun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...