Changhui Zhu

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Malvern, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Well configuration and method of increasing production from a hydro...
- Patent number 6,978,843
- Issue date Dec 27, 2005
- Polyflow, Inc.
- Robert Alan Gleim
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Well configuration and method of increasing production from a hydro...
- Publication number 20040035584
- Publication date Feb 26, 2004
- Polyflow, Inc.
- Robert Alan Gleim
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of binding polyphenylene sulfide with polyamide and products...
- Publication number 20040035485
- Publication date Feb 26, 2004
- Polyflow, Inc.
- Robert Alan Gleim
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...