David W. Pang

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
System for Avoiding Excessive Pressure while Discharging Compressed...
- Publication number 20100320224
- Publication date Dec 23, 2010
- NEOgas Inc.
- Steven W. Lampe
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Method of Pressurizing a Gas Cylinder While Dispensing from Another
- Publication number 20100059138
- Publication date Mar 11, 2010
- NEOgas Inc.
- ZhiQiang Shi
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
System for Charging and Purging a Compressed Gas Cylinder
- Publication number 20090293988
- Publication date Dec 3, 2009
- NEOgas Inc.
- David W. Pang
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS