Stanislav Vasilyevich Kovalev

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Moscow, RU

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Patents Grantslast 30 patents

Information Patent Grant
Automatic adjustable valve
- Patent number 9,340,939
- Issue date May 17, 2016
- HYDROPLUS
- Stanislav Vasilyevich Kovalev
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Automatic Adjustable Valve
- Publication number 20150107697
- Publication date Apr 23, 2015
- Hydroplus
- Stanislav Vasilyevich Kovalev
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING