Liqing Liu

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Use of aluminum in perforating and stimulating a subterranean forma...
- Patent number 7,393,423
- Issue date Jul 1, 2008
- Geodynamics, Inc.
- Liqing Liu
- F42 - AMMUNITION BLASTING
Information Patent Grant
Blasting machine and detonator apparatus
- Patent number 6,470,803
- Issue date Oct 29, 2002
- Prime Perforating Systems Limited
- Liqing Liu
- F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

Information Patent Application
Use of aluminum in perforating and stimulating a subterranean forma...
- Publication number 20030037692
- Publication date Feb 27, 2003
- Liqing Liu
- C06 - EXPLOSIVES MATCHES