Oleg Valishin

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Carquefou, FR

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid sensing apparatus and method
- Patent number 11,613,991
- Issue date Mar 28, 2023
- Sercel
- Oleg Valishin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hybrid sensing apparatus and method
- Patent number 9,523,790
- Issue date Dec 20, 2016
- Sercel
- Oleg Valishin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
HYBRID SENSING APPARATUS AND METHOD
- Publication number 20200190973
- Publication date Jun 18, 2020
- SERCEL
- Oleg VALISHIN
- G01 - MEASURING TESTING