Fudong ZHANG

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Patents Grantslast 30 patents

Information Patent Grant
Zero-suckback device for disposable high-speed turbine dental drill...
- Patent number 10,617,487
- Issue date Apr 14, 2020
- Beijing Dongbo Dental Handpiece Co., Ltd.
- Fudong Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Suckback prevention device for single use high-speed turbine dental...
- Patent number 8,092,217
- Issue date Jan 10, 2012
- Beijing North Pole Dental Handpieces Co., Ltd.
- Fudong Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ZERO-SUCKBACK DEVICE FOR DISPOSABLE HIGH-SPEED TURBINE DENTAL DRILL...
- Publication number 20170340412
- Publication date Nov 30, 2017
- Beijing the Orient Doctor's Pneumatic Tools Co., Ltd.
- Fudong Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SINGLE-USE HIGH-SPEED TURBINE DENTAL DRILL HANDPIECE
- Publication number 20090075233
- Publication date Mar 19, 2009
- BEIJING NORTH POLE DENTAL HANDPIECES CO., LTD
- Fudong ZHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUCKBACK PREVENTION DEVICE FOR SINGLE USE HIGH-SPEED TURBINE DENTAL...
- Publication number 20090004623
- Publication date Jan 1, 2009
- BEIJING NORTH POLE DENTAL HANDPIECES CO., LTD
- Fudong ZHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE