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Patents Grantslast 30 patents

Information Patent Grant
Cyclonic separating device and surface cleaning device
- Patent number 11,684,228
- Issue date Jun 27, 2023
- Beijing Shunzao Technology Co., Ltd.
- Cheng Tang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Nickel-titanium file root canal preparation instrument
- Patent number 11,389,271
- Issue date Jul 19, 2022
- Yanfeng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
CYCLONIC SEPARATING DEVICE AND SURFACE CLEANING DEVICE
- Publication number 20220287525
- Publication date Sep 15, 2022
- Beijing Shunzao Technology Co., Ltd.
- Cheng TANG
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
TESTING METHOD, SYSTEM AND DEVICE FOR FLICKER FUSION FREQUENCY RANGE
- Publication number 20220257161
- Publication date Aug 18, 2022
- CHINA NATIONAL INSTITUTE OF STANDARDIZATION
- Yunhong ZHANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
NICKEL-TITANIUM FILE ROOT CANAL PREPARATION INSTRUMENT
- Publication number 20190365505
- Publication date Dec 5, 2019
- Yanfeng LI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE