Mikhail Yakovlevich Gelfgat

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Moscow, RU

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum riser assembly
- Patent number 8,210,265
- Issue date Jul 3, 2012
- Aquatic Company
- Rudolf S. Alikin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Aluminum riser apparatus, system and method
- Patent number 6,615,922
- Issue date Sep 9, 2003
- Noble Drilling Corporation
- Hans Herman Jacques Deul
- E21 - EARTH DRILLING MINING
Information Patent Grant
Aluminum riser apparatus, system and method
- Patent number 6,415,867
- Issue date Jul 9, 2002
- Noble Drilling Corporation
- Hans Herman Jacques Deul
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ALUMINUM RISER ASSEMBLY
- Publication number 20090272537
- Publication date Nov 5, 2009
- Rudolf S. Alikin
- E21 - EARTH DRILLING MINING