Changchao HU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Separation device
- Patent number 10,563,495
- Issue date Feb 18, 2020
- China Petroleum and Chemical Corporation
- Changchao Hu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Separator for oil well produced fluid, and separation device compri...
- Patent number 9,981,206
- Issue date May 29, 2018
- China Petroleum and Chemical Corporation
- Wei Dang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OIL-WATER SEPARATION DEVICE
- Publication number 20230330563
- Publication date Oct 19, 2023
- China Petroleum and Chemical Corporation
- Changchao HU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Separation Device
- Publication number 20190055829
- Publication date Feb 21, 2019
- China Petroleum and Chemical Corporation
- Changchao Hu
- E21 - EARTH DRILLING MINING
Information Patent Application
SEPARATOR FOR OIL WELL PRODUCED FLUID, AND SEPARATION DEVICE COMPRI...
- Publication number 20160317950
- Publication date Nov 3, 2016
- China Petroleum and Chemical Corporation
- Wei DANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL