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Evgeny Sokryukin
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Odintsovo, RU
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Patents Grants
last 30 patents
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Patent Grant
Electromagnetic metal pipes protection device
Patent number
11,908,619
Issue date
Feb 20, 2024
Leonid Mikhaylovich Kovalev
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Downhole induction heater
Patent number
9,839,075
Issue date
Dec 5, 2017
Evgeny Sokryukin
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Electromagnetic metal pipes protection device
Publication number
20230282403
Publication date
Sep 7, 2023
SediFlo LLC
Leonid Mikhaylovich KOVALEV
H01 - BASIC ELECTRIC ELEMENTS