Jinli ZHU

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Panjin City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pre-sressed insulated tubing
- Patent number 9,027,607
- Issue date May 12, 2015
- General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
- Yaoqing Pan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Pre-Sressed Insulated Tubing
- Publication number 20120175007
- Publication date Jul 12, 2012
- General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
- Yaoqing PAN
- E21 - EARTH DRILLING MINING