Chunhua Yuan

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Feces sampling and detecting device and method for detecting feces...
- Patent number 10,390,803
- Issue date Aug 27, 2019
- W.H.P.M. Bioresearch & Technology Co., Ltd.
- John Wan
- G01 - MEASURING TESTING
Information Patent Grant
Body fluid testing apparatus
- Patent number 9,535,054
- Issue date Jan 3, 2017
- W.H.P.M. BIORESEARCH & TECHNOLOGY CO. LTD.
- Chunhua Yuan
- G01 - MEASURING TESTING
Information Patent Grant
Collection and assay device for biological fluid
- Patent number 7,927,562
- Issue date Apr 19, 2011
- W.H.P.M. Inc.
- John Wan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FECES SAMPLING AND DETECTING DEVICE AND METHOD FOR DETECTING FECES...
- Publication number 20160051235
- Publication date Feb 25, 2016
- W.H.P.M. BIORESEARCH AND TECHONOLOGY CO., LTD.
- John WAN
- G01 - MEASURING TESTING
Information Patent Application
EXCREMENT COLLECTOR
- Publication number 20150182202
- Publication date Jul 2, 2015
- W.H.P.M. BIORESEARCH AND TECHNOLOGY CO., LTD.
- John Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BODY FLUID TESTING APPARATUS
- Publication number 20140007659
- Publication date Jan 9, 2014
- Chunhua YUAN
- G01 - MEASURING TESTING
Information Patent Application
COLLECTION AND ASSAY DEVICE FOR BIOLOGICAL FLUID
- Publication number 20090155124
- Publication date Jun 18, 2009
- John Wan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL