Donghui HAO

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Apex, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Acid steam cleaning apparatus and acid steam cleaning method
- Patent number 10,864,560
- Issue date Dec 15, 2020
- AMERLAB SCIENTIFIC LLC
- Donghui Hao
- G01 - MEASURING TESTING
Information Patent Grant
Acid purifier
- Patent number 10,220,329
- Issue date Mar 5, 2019
- AMERLAB SCIENTIFIC LLC
- Donghui Hao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ACID STEAM CLEANING APPARATUS AND ACID STEAM CLEANING METHOD
- Publication number 20180361441
- Publication date Dec 20, 2018
- Amerlab Scientific LLC
- Donghui HAO
- B08 - CLEANING
Information Patent Application
ACID PURIFIER
- Publication number 20180280829
- Publication date Oct 4, 2018
- Donghui HAO
- G01 - MEASURING TESTING