Weihua Zheng

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Savoy, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas filters for acidic contaminants
- Patent number 10,639,588
- Issue date May 5, 2020
- Serionix, Inc.
- Chaoyi Ba
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
GAS FILTERS FOR ACIDIC CONTAMINANTS
- Publication number 20190022581
- Publication date Jan 24, 2019
- Serionix, Inc.
- Chaoyi Ba
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GAS FILTERS FOR BASIC CONTAMINANTS
- Publication number 20180243689
- Publication date Aug 30, 2018
- Serionix, Inc.
- James Langer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL