Haijian WANG

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rotating seal-type liquid testing apparatus
- Patent number 11,493,452
- Issue date Nov 8, 2022
- HANGZHOU ALLTEST BIOTECH CO., LTD
- Haijian Wang
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Information Patent Application
DIMETHYLTRYPTAMINE HAPTEN, ARTIFICIAL ANTIGEN AND PREPARATION METHO...
- Publication number 20230393159
- Publication date Dec 7, 2023
- HANGZHOU ALLTEST BIOTECH CO., LTD
- Cheng LIU
- G01 - MEASURING TESTING
Information Patent Application
ROTATING SEAL-TYPE LIQUID TESTING APPARATUS
- Publication number 20200309709
- Publication date Oct 1, 2020
- HANGZHOU ALLTEST BIOTECH CO., LTD
- Haijian WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL