Jianhua Sun

Follow

Person

Wuhan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary seal chuck of optical fiber preform rod deposition lathe
- Patent number 9,145,326
- Issue date Sep 29, 2015
- YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY
- Jianhua Sun
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Heating apparatus of induction furnace used for stretching large-di...
- Patent number 8,950,218
- Issue date Feb 10, 2015
- Yangze Optical Fibre and Cable Company Ltd.
- Dongquan Fang
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
ROTARY SEAL CHUCK OF OPTICAL FIBER PREFORM ROD DEPOSITION LATHE
- Publication number 20140312579
- Publication date Oct 23, 2014
- Jianhua Sun
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
HEATING APPARATUS OF INDUCTION FURNACE USED FOR STRETCHING LARGE-DI...
- Publication number 20140041416
- Publication date Feb 13, 2014
- Dongquan Fang
- C03 - GLASS MINERAL OR SLAG WOOL