Dmitry Lubyanyy

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Moscow, RU

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Patents Grantslast 30 patents

Information Patent Grant
Spiral ribbed aluminum drillpipe
- Patent number 7,814,996
- Issue date Oct 19, 2010
- Aquatic Company
- David I. Indrupskiy
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Spiral Ribbed Aluminum Drillpipe
- Publication number 20090194337
- Publication date Aug 6, 2009
- AQUATIC COMPANY
- David Indrupskiy
- E21 - EARTH DRILLING MINING